![Daikin RZQ71B7V3B [6/353] Part 3 troubleshooting](/img/pdf.png)
Daikin RZQ71B7V3B [6/353] Part 3 troubleshooting
![Daikin RZQ71B7V3B [6/353] Part 3 troubleshooting](/views2/1783338/page6/bg6.png)
ESIE04-01
Table of Contents v
3
4
5
1
Part 3
Troubleshooting
1 Troubleshooting
1.1 What Is in This Chapter? ........................................................................ 3–3
1.2 General Troubleshooting Flowchart........................................................ 3–4
1.3 Overview of General Problems ............................................................... 3–5
1.4 Procedure of Self-Diagnosis by Remote Control .................................... 3–24
1.5 Fault-diagnosis by Wired Remote Control .............................................. 3–25
1.6 Fault-diagnosis by Infrared remote control ............................................. 3–26
1.7 Overview of Error Codes......................................................................... 3–30
1.8 Troubleshooting by LED Indications ....................................................... 3–32
1.9 Troubleshooting by Remote Control Display / LED Display.................... 3–34
1.10 Overview of the Outdoor Safety Devices ............................................... 3–37
1.11 Overview of the Indoor Safety Devices .................................................. 3–38
2 Error Codes: Indoor Units
2.1 What Is in This Chapter? ........................................................................ 3–39
2.2 Malfunctioning Indoor PCB ..............................................................(A1) 3–40
2.3 Malfunction of Drain Water Level System ........................................(A3) 3–41
2.4 Malfunctioning Drain System .......................................................... (AF) 3–44
2.5 Indoor Unit Fan Motor Lock .............................................................(A6) 3–46
2.6 Malfunctioning Capacity Setting .......................................................(AJ) 3–48
2.7 Thermistor Abnormality ...................................................... (C4, C5, C9) 3–50
2.8 Malfunctioning Remote Control Air Thermistor ................................ (CJ) 3–52
Содержание
- Esie04 01 1
- Rzq71 125b7v3b sky air inverter r 410a b series 1
- Service manual 1
- General outline indoor units 2
- General outline outdoor units 2
- Introduction 2
- Part 1 system outline 2
- Table of contents 2
- Functional diagrams 3
- Specifications 3
- Switch box layout 3
- Pcb layout 4
- Wiring diagrams 4
- General functionality 5
- Indoor unit functional concept 5
- Outdoor unit functional concept 5
- Part 2 functional description 5
- Error codes indoor units 6
- Part 3 troubleshooting 6
- Troubleshooting 6
- Additional checks for troubleshooting 7
- Error codes outdoor units 7
- Error codes system malfunctions 7
- Field settings 8
- Part 4 commissioning and test run 8
- Pre test run checks 8
- Test run and operation data 8
- Disassembly and maintenance indoor units 9
- Disassembly and maintenance outdoor units 9
- Part 5 disassembly and maintenance 9
- About this manual 10
- Introduction 10
- Part 0 10
- 2 stands for twin combination 11
- 3 stands for triple combination 11
- 4 double twin combination 11
- Combination overview 11
- Fcq ffq fbq the table below contains the possible combinations between indoor units fcq ffq and fbq and outdoor units of the sky air rzq series 11
- Fdq fhq fuq faq the table below contains the possible combinations between indoor units fdq fhq fuq and faq and outdoor units of the sky air rzq series 11
- Indoor unit 11
- Introduction esie04 01 11
- Introduction in the tables in this section 11
- Ld ceiling suspended c s cas wall 11
- Outdoor unit 11
- P and m are allowed and guaranteed combinations but they will not be officially mentioned as such in catalogues or databooks 11
- X 950 cassette 600 x 600 cas duct 11
- Outline 13
- Precautions on handling new refrigerants 13
- Esie04 01 introduction 14
- Thermodynamic characteristic of r410a 14
- Refrigerant cylinders 15
- Service tools 16
- Part 1 system outline 22
- General outline outdoor units 24
- Part 1 24
- What is in this chapter 24
- Rzq71 outlook and dimensions 25
- Rzq100 and rzq125 outlook and dimensions 27
- Rzq71 rzq100 and rzq125 installation and service space 29
- General outline indoor units 32
- Part 1 32
- What is in this chapter 32
- 12 part 1 system outline 33
- Fcq35b7v1 fcq71b7v3b 33
- General outline indoor units esie04 01 33
- In case of using a infrared remote control this position will be a signal receiver refer to the drawing of the infrared remote control for more details 33
- Notes 1 location of the nameplates unit body on the bell mouth at the inside of the suction grill decoration panel on the panel frame at the inside of the suction grill 33
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 33
- Required installation space when the discharge grill is closed the required space is 200 mm or more 33
- View a 33
- View b 33
- View c 33
- View d 33
- When installing an optional accessory refer to the installation drawings for the fresh air intake kit an inspection port is necessary for the high efficiency filter an inspection port is necessary for the branch duct chamber an inspection port is necessary 33
- When the conditions exceed 30 c and rh 80 in the ceiling or fresh air is inducted into the ceiling an additional insulation is required polyethylene foam thickness 10mm or more 33
- 14 part 1 system outline 35
- Fcq100 125b7v3b 35
- General outline indoor units esie04 01 35
- In case of using a infrared remote control this position will be a signal receiver refer to the drawing of the infrared remote control for more details 35
- Notes 1 location of the nameplates unit body on the bell mouth at the inside of the suction grill decoration panel on the panel frame at the inside of the suction grill 35
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 35
- Required installation space when the discharge grill is closed the required space is 200 mm or more 35
- View a 35
- View b 35
- View c 35
- View d 35
- When installing an optional accessory refer to the installation drawings for the fresh air intake kit an inspection port is necessary for the high efficiency filter an inspection port is necessary for the branch duct chamber an inspection port is necessary 35
- When the conditions exceed 30 c and rh 80 in the ceiling or fresh air is inducted into the ceiling an additional insulation is required polyethylene foam thickness 10mm or more 35
- 16 part 1 system outline 37
- Ffq35 60bv1b 37
- General outline indoor units esie04 01 37
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 37
- 18 part 1 system outline 39
- Fbq35b7v1 fbq50b7v1 39
- General outline indoor units esie04 01 39
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 39
- 20 part 1 system outline 41
- Fbq60b7v1 fbq71b7v3b 41
- General outline indoor units esie04 01 41
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 41
- 22 part 1 system outline 43
- Fbq100b7v3b fbq125b7v3b 43
- General outline indoor units esie04 01 43
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 43
- Fdq125b7v3b 45
- 26 part 1 system outline 47
- Attached 0 mm² x 2wicks x o d ø 5 it is not attached to vrv 47
- Fhq35buv1 fhq50buv1 47
- General outline indoor units esie04 01 47
- In case of using infrared remote control this position will be a signal receiver refer to the drawing of infrared remote control in detail 47
- Notes 1 location of unit s name plate bottom of fan housing inside the suction grill 47
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 47
- Position hole of wall for taking out in piping back 47
- Position slit hole for taking out in piping back 47
- The front 47
- View from the front 47
- 28 part 1 system outline 49
- Attached 0 mm² x 2wicks x o d ø 5 it is not attached to vrv 49
- Fhq60buv1 fhq71buv1b 49
- General outline indoor units esie04 01 49
- In case of using infrared remote control this position will be a signal receiver refer to the drawing of infrared remote control in detail 49
- Notes 1 location of unit s name plate bottom of fan housing inside the suction grill 49
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 49
- Position hole of wall for taking out in piping back 49
- Position slit hole for taking out in piping back 49
- The front 49
- View from the front 49
- 30 part 1 system outline 51
- Attached 0 mm² x 2wicks x o d ø 5 it is not attached to vrv 51
- Fhq100buv1b 51
- General outline indoor units esie04 01 51
- In case of using infrared remote control this position will be a signal receiver refer to the drawing of infrared remote control in detail 51
- Notes 1 location of unit s name plate bottom of fan housing inside the suction grill 51
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 51
- Position hole of wall for taking out in piping back 51
- Position slit hole for taking out in piping back 51
- The front 51
- View from the front 51
- 32 part 1 system outline 53
- Attached 0 mm² x 2wicks x o d ø 5 it is not attached to vrv 53
- Fhq125buv1b 53
- General outline indoor units esie04 01 53
- In case of using infrared remote control this position will be a signal receiver refer to the drawing of infrared remote control in detail 53
- Notes 1 location of unit s name plate bottom of fan housing inside the suction grill 53
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 53
- Position hole of wall for taking out in piping back 53
- Position slit hole for taking out in piping back 53
- The front 53
- View from the front 53
- 34 part 1 system outline 55
- Fuq71buv1b 55
- General outline indoor units esie04 01 55
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 55
- 36 part 1 system outline 57
- Fuq100 125buv1b 57
- General outline indoor units esie04 01 57
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 57
- 38 part 1 system outline 59
- Faq71buv1b 59
- General outline indoor units esie04 01 59
- In case of using infrared remote control this position will be a signal receiver refer to the drawing of infrared remote control in detail 59
- Notes 1 location of unit s name plate right side surface of casing 59
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 59
- 40 part 1 system outline 61
- Faq100buv1b 61
- General outline indoor units esie04 01 61
- In case of using infrared remote control this position will be a signal receiver refer to the drawing of infrared remote control in detail 61
- Notes 1 location general rated name plate right side plate outside surface 61
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 61
- Part 1 64
- Specifications 64
- What is in this chapter 64
- 44 part 1 system outline 65
- Rzq71 rzq100 and rzq125 65
- Specifications esie04 01 65
- Technical specifications the table below contains the technical specifications 65
- Electrical data 66
- Electrical specifications the table below contains the electrical specifications 66
- Esie04 01 specifications 66
- Part 1 system outline 1 45 66
- 46 part 1 system outline 67
- Notes 1 67
- Specifications esie04 01 67
- Symbols 67
- Electrical specifications the table below contains the electrical specifications 68
- Esie04 01 specifications 68
- Part 1 system outline 1 47 68
- Technical specifications the table below contains the technical specifications 68
- 48 part 1 system outline 69
- Electrical specifications the table below contains the electrical specifications 69
- Specifications esie04 01 69
- Technical specifications the table below contains the technical specifications 69
- Electrical specifications the table below contains the electrical specifications 70
- Esie04 01 specifications 70
- Part 1 system outline 1 49 70
- Technical specifications the table below contains the technical specifications 70
- 50 part 1 system outline 71
- Electrical specifications the table below contains the electrical specifications 71
- Specifications esie04 01 71
- Technical specifications the table below contains the technical specifications 71
- Electrical specifications the table below contains the electrical specifications 72
- Esie04 01 specifications 72
- Part 1 system outline 1 51 72
- Technical specifications the table below contains the technical specifications 72
- 52 part 1 system outline 73
- Electrical specifications the table below contains the electrical specifications 73
- Specifications esie04 01 73
- Technical specifications the table below contains the technical specifications 73
- Electrical specifications the table below contains the electrical specifications 74
- Esie04 01 specifications 74
- Part 1 system outline 1 53 74
- Technical specifications the table below contains the technical specifications 74
- Functional diagrams 76
- Part 1 76
- What is in this chapter 76
- 56 part 1 system outline 77
- Functional diagrams esie04 01 77
- Pair system 77
- Esie04 01 functional diagrams 78
- Part 1 system outline 1 57 78
- Rzq100 125 78
- 58 part 1 system outline 79
- Functional diagrams esie04 01 79
- Twin system 79
- Esie04 01 functional diagrams 80
- Part 1 system outline 1 59 80
- Rzq100 125 80
- 60 part 1 system outline 81
- Functional diagrams esie04 01 81
- Rzq100 125 81
- Triple system 81
- Double twin system 82
- Esie04 01 functional diagrams 82
- Part 1 system outline 1 61 82
- Rzq100 125 82
- 62 part 1 system outline 83
- Fhq fuq faq 83
- Functional diagrams esie04 01 83
- Indoor piping 83
- Esie04 01 functional diagrams 84
- Fcq fbq fdq 84
- Part 1 system outline 1 63 84
- Pipe connection diameters 85
- Allowed 86
- Caution 86
- Esie04 01 functional diagrams 86
- Existing 86
- How to re use existing piping 86
- If copper piping is corroded existing piping re use is not allowed 86
- In all circumstances where these conditions can not be fully met new piping has to be installed 86
- Introduction when installing a system using an rzq outdoor unit existing or pre installed piping can be used according to below specified conditions 86
- Notes oil contamination can be checked using the daikin oil checker card 86
- Part 1 system outline 1 65 86
- Re using existing field piping 86
- See further notes in this section for twin triple and double twin applications 86
- Single side thermal insulation is not allowed for re use 86
- A dimensions for processing flares mm flare shape 90
- After completing the installation carry out an inspection of the piping connections by pressure test using nitrogen 90
- Caution for flare connections 90
- Esie04 01 functional diagrams 90
- Flare nut tightening torque 90
- Part 1 system outline 1 69 90
- Piping size 90
- Refer to below table for correct flare dimensions and tightening torques 90
- Too high tightening force may cause refrigerant leak because of flare cracking 90
- When connecting the flare nut apply refrigerating machine oil to the flare inside and outside and first screw the nut 3 or 4 turns by hand coat the indicated surfaces using ether or ester oil 90
- Components the table below contains the different components of the functional diagrams 92
- Esie04 01 92
- No component function remark 92
- Part 1 92
- Part 1 system outline 1 71 92
- Piping components 92
- Part 1 94
- Switch box layout 94
- What is in this chapter 94
- Rzq71b7v3b 95
- Rzq100b7v3b 96
- Fcq35b7v1 fcq71b7v3b 97
- Fcq100 125b7v3b 98
- Ffq35 60bv1b 99
- Fbq35b7v1 fbq125b7v3b 100
- Fdq125b7v3b 101
- Fhq35buv1 fhq125buv1b 102
- Fuq71 125buv1b 103
- Faq71buv1b 104
- Faq100buv1b 105
- Part 1 106
- What is in this chapter 106
- Wiring diagrams 106
- 86 part 1 system outline 107
- Rzq71b7v3b 107
- Wiring diagram the illustration below shows the wiring diagram of the unit 107
- Wiring diagrams esie04 01 107
- Esie04 01 wiring diagrams 108
- Part 1 system outline 1 87 108
- Rzq100 125b7v3b 108
- Wiring diagram the illustration below shows the wiring diagram of the unit 108
- 88 part 1 system outline 109
- Fcq35 60b7v1 109
- Wiring diagram the illustration below shows the wiring diagram of the unit 109
- Wiring diagrams esie04 01 109
- Esie04 01 wiring diagrams 110
- Fcq71 125b7v3b 110
- Part 1 system outline 1 89 110
- Wiring diagram the illustration below shows the wiring diagram of the unit 110
- 90 part 1 system outline 111
- Ffq35 60bv1b 111
- Wiring diagram 111
- Wiring diagram the illustration below shows the wiring diagram of the unit 111
- Wiring diagrams esie04 01 111
- 50 60 class 112
- Esie04 01 wiring diagrams 112
- Fbq35 60b7v1 112
- Part 1 system outline 1 91 112
- Wiring diagram the illustration below shows the wiring diagram of the unit 112
- 92 part 1 system outline 113
- Fbq71b7v3b 113
- Wiring diagram the illustration below shows the wiring diagram of the unit 113
- Wiring diagrams esie04 01 113
- 125 class 114
- Esie04 01 wiring diagrams 114
- Fbq100 125b7v3b 114
- Part 1 system outline 1 93 114
- Wiring diagram the illustration below shows the wiring diagram of the unit 114
- 94 part 1 system outline 115
- Fdq125b7v3b 115
- Wiring diagram the illustration below shows the wiring diagram of the unit 115
- Wiring diagrams esie04 01 115
- Esie04 01 wiring diagrams 116
- Fhq35 60buv1 116
- Part 1 system outline 1 95 116
- Wiring diagram 116
- Wiring diagram the illustration below shows the wiring diagram of the unit 116
- 96 part 1 system outline 117
- Fhq71 125buv1b 117
- Wiring diagram 117
- Wiring diagram the illustration below shows the wiring diagram of the unit 117
- Wiring diagrams esie04 01 117
- Connector for optional parts 118
- Esie04 01 wiring diagrams 118
- Fuq71 125buv1b 118
- Part 1 system outline 1 97 118
- Wired remote control 118
- Wired remote control receiver display unit 118
- Wiring diagram 118
- Wiring diagram the illustration below shows the wiring diagram of the unit 118
- 98 part 1 system outline 119
- Control box 119
- Faq71buv1b 119
- In case of simultaneous operation system indoor unit master indoor unit slave 119
- Note 2 119
- Note 4 input from outside 119
- Receiver display unit attached to infrared remote control 119
- Remote control 119
- To outdoor unit 119
- Transmission wiring central remote control 119
- Wired remote control 119
- Wiring diagram 119
- Wiring diagram the illustration below shows the wiring diagram of the unit 119
- Wiring diagrams esie04 01 119
- Control box 120
- Esie04 01 wiring diagrams 120
- Faq100buv1b 120
- Faq71 100 buv1b 120
- In case of simultaneous operation system indoor unit master indoor unit slave 120
- Note 3 120
- Note 7 120
- Part 1 system outline 1 99 120
- Receiver display unit 120
- Remote control 120
- To outdoor unit 120
- Wired remote control 120
- Wiring diagram 120
- Wiring diagram the illustration below shows the wiring diagram of the unit 120
- Part 1 122
- Pcb layout 122
- What is in this chapter 122
- Rzq71b7v3b 123
- Rzq100b7v3b 125
- Fcq35 60b7v1 127
- Fcq71 125b7v3b 128
- Ffq35 60bv1b 129
- Fbq35 60b7v1 130
- Fbq100 125b7v3b 131
- Fdq125b7v3b 132
- Fhq35 60buv1 133
- Fhq71 125buv1b 134
- Fuq71 125buv1b 135
- Faq71buv1b 136
- Faq100buv1b 137
- Part 2 functional description 138
- General functionality 140
- Part 2 140
- What is in this chapter 140
- Functions of thermistors 141
- Forced operating mode emergency operation 143
- Outdoor unit identification function 145
- Simulated operation function 146
- 10 part 2 functional description 147
- General functionality esie04 01 147
- Outline to prevent the compressor from frequently turning on and off and allow pressure equalization forced thermostat off will be conducted for 3 minutes after compressor stopping compressor guard timer 147
- Restart standby 147
- Automatic restart 148
- Using conditions for remote control thermostat 149
- Forced thermostat off 150
- Test run control 151
- 4 way valve control 152
- Pump down residual operation 153
- Pump down operation 154
- Defrost operation 155
- Freeze prevention function 157
- Pmv control 158
- Preheating operation control 159
- Crankcase heater control 160
- Indoor unit functional concept 162
- Part 2 162
- What is in this chapter 162
- Thermostat control 163
- Drain pump control 164
- Condensation avoidance control 166
- 30 part 2 functional description 167
- Defrosting the time chart below illustrates the draft avoidance control 1 in defrosting 167
- Draft avoidance control 1 167
- Heating thermostat off the time chart below illustrates the draft avoidance control 1 in heating thermostat off 167
- Indoor unit functional concept esie04 01 167
- Input connection on indoor pcb connection on outdoor pcb 167
- Limit switch for flap 33s 167
- No of fan turns x26a 167
- Outdoor heat exchanger thermistor defrost control r2t 167
- Purpose avoid draft for the customer by delaying transfer of the flap to the po0 horizontal position for a certain amount of time when defrosting and in heating thermostat off 167
- Used inputs the draft avoidance control 1 uses the following inputs 167
- Draft avoidance control 2 168
- Fan and flap operations 169
- Indoor unit fan control 170
- Outdoor unit functional concept 172
- Part 2 172
- What is in this chapter 172
- Function outline 173
- Esie04 01 outdoor unit functional concept 174
- Flow chart cooling dry operation 174
- Function outline in cooling mode 174
- Part 2 functional description 2 37 174
- 38 part 2 functional description 175
- Flow chart heating operation 175
- Function outline in heating mode 175
- Outdoor unit functional concept esie04 01 175
- Frequency regulating functions 176
- Starting frequency control 177
- General frequency control 180
- A hz 109 hz 123 hz 182
- B hz 62 hz 62 hz 182
- C hz 48 hz 62 hz 182
- Esie04 01 outdoor unit functional concept 182
- Flow chart 182
- Low pressure protection control 182
- Outline in order to prevent abnormal low pressures in the system the below control function will be activated low pressure is measured by the low pressure sensor 182
- Parameters 182
- Part 2 functional description 2 45 182
- Rzq71b rzq100 125b 182
- When cooling operation when heating operation 182
- 46 part 2 functional description 183
- A hz 79 hz 62 hz 183
- B hz 62 hz 62 hz 183
- Details the high pressure value will be calculated from the low pressure power input and compressor frequency 183
- Flow chart 183
- High pressure protection control 183
- Hps closes at 30 bar tolerance 0 5 183
- Hps opens at 40 bar tolerance 0 0 5 183
- Outdoor unit functional concept esie04 01 183
- Outline in order to prevent abnormal high pressures in the system and hence avoiding activation of the high pressure safety device the below control function will be activated 183
- Parameters 183
- Rzq71b rzq100 125b 183
- When cooling operation when heating operation 183
- Discharge pipe temperature control 184
- 48 part 2 functional description 185
- Flow chart 185
- Lowering upper limit frequency for 1 step every 20 seconds 185
- Normal operation 185
- Outdoor unit functional concept esie04 01 185
- Outline in case the suction superheat value in heating mode is too high the oil return to the compressor will be insufficient in order to avoid that the compressor oil will be accumulated in the outdoor unit heat exchanger the upper limit frequency will be decreased 185
- Raising upper limit frequency for 1 step every 20 seconds 185
- Suction pipe superheat protection control heating mode 185
- Inverter current protection control 186
- Input current control 187
- Inverter cooling fin temperature control 188
- 52 part 2 functional description 189
- Cooling in cooling low ambient conditions the outdoor fan speed and compressor frequency will be adapted to secure the differential pressure between high and low pressure 189
- Fan control in cooling 189
- Outdoor unit functional concept esie04 01 189
- Outline to ensure the compression ratio pressure difference between high and low pressure at low outdoor temperature conditions in cooling mode and high outdoor temperature conditions in heating mode the outdoor fan and target compressor frequency may be varied 189
- Pressure difference control 189
- Esie04 01 outdoor unit functional concept 190
- Frequency restriction in cooling 190
- Heating high outdoor ambient overload conditions 190
- In heating overload conditions the outdoor fan speed will be adapted to secure the differential pressure between high and low pressure 190
- Only the fan speed will be adapted in heating overload conditions no adjustments to the compressor frequency will be made 190
- Part 2 functional description 2 53 190
- Oil recovery operation 191
- Expansion valve regulating functions 192
- Expansion valve control at startup 193
- General expansion valve control 194
- Discharge pipe temperature control 195
- Outdoor unit fan speed control 196
- Outdoor unit fan speed control 197
- Part 3 troubleshooting 200
- Part 3 202
- Troubleshooting 202
- What is in this chapter 202
- 4 part 3 troubleshooting 203
- A s k for the ch a r a cter code of the m a lf u nction code 203
- Cooling s t a rt s bu t s top s right a w a y 203
- Doe s n t r u n 203
- Find out the situation according to the following procedure when there is a request for service from the customer 203
- General troubleshooting flowchart 203
- He a ting 203
- I s the oper a tion l a mp of the indoor u nit s s ign a l receiving s ection b linking 203
- I s the remote control s oper a tion l a mp b linking 203
- I s there a power f a il u re doe s n t r u n a t a ll the power su pply s witch i s off or the s witch s f us e i s bu rnt 203
- Me asu re the su ction di s h a rge temper a t u re 203
- No cooling 203
- No no no 203
- No ye s 203
- Nom a l 203
- Ok we ll b e right over 203
- Oper a tion i s norm a l 203
- R u n s 203
- Refer to remote control di s pl a y m a lf u nction code a nd content s 203
- S ervice work re qu ired 203
- S et the remote control s temper a t u re s etting to 1 when cooling minim u m 2 when he a ting m a xim u m 203
- T u rn the power su pply s witch on or repl a ce the f us e 203
- Temper a t u re differenti a l i s 14 3 0 c 203
- Temper a t u re differenti a l i s 8 1 8 c 203
- The f a n come s on bu t the compre ss or doe s n t r u n 203
- The u nit r u n s bu t doe s n t cool the room 203
- The u nit s r u n s bu t doe s n t he a t the room me asu re the su ction di s ch a rge temper a t u re 203
- The u nit won t r u n a g a in for a while a fter s topping 203
- Tro ub le s hooting b y remote control m a lf u nction code 203
- Troubleshooting esie04 01 203
- Try t u rning the oper a tion s witch off a nd on 203
- W a it u ntil power f a il u re i s over 203
- Ye s r u n s 203
- Overview of general problems 204
- Equipment does not operate 205
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 206
- Esie04 01 troubleshooting 206
- Part 3 troubleshooting 3 7 206
- Troubleshooting 206
- Indoor fan operates but compressor does not 207
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 208
- Esie04 01 troubleshooting 208
- Part 3 troubleshooting 3 9 208
- Troubleshooting 208
- Cooling heating operation starts but stops immediately 209
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 210
- Esie04 01 troubleshooting 210
- Part 3 troubleshooting 3 11 210
- Troubleshooting 210
- After unit shuts down it cannot be restarted for a while 211
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 212
- Esie04 01 troubleshooting 212
- Part 3 troubleshooting 3 13 212
- Troubleshooting 212
- Equipment operates but does not provide cooling 213
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 214
- Esie04 01 troubleshooting 214
- Part 3 troubleshooting 3 15 214
- Troubleshooting 214
- Equipment operates but does not provide heating 215
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 216
- Esie04 01 troubleshooting 216
- Part 3 troubleshooting 3 17 216
- Troubleshooting 216
- 18 part 3 troubleshooting 217
- Applicable model all models of skyair series 217
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 217
- Clogged air filter 217
- Equipment discharges white mist 217
- Error detection method 217
- Error generating condition 217
- Humid installation site 217
- Installation site is dirty and with dense oil mists 217
- Malfunction of fan motor 217
- Possible cause 217
- Soiled heat exchanger 217
- Troubleshooting 217
- Troubleshooting esie04 01 217
- Air intrudes into refrigerant system 218
- Applicable model all models of skyair series 218
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 218
- Equipment produces loud noise or shakes 218
- Error detection method 218
- Error generating condition 218
- Esie04 01 troubleshooting 218
- Excess charge of refrigerant 218
- Flushing noise due to refrigerant shortage sound of shoo 218
- Part 3 troubleshooting 3 19 218
- Possible cause 218
- Troubleshooting 218
- 20 part 3 troubleshooting 219
- Animal s hair 219
- Applicable model all models of skyair series 219
- Application cloth shop 219
- Carpet 219
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 219
- Equipment discharges dust 219
- Error detection method 219
- Error generating condition 219
- Possible cause 219
- Troubleshooting 219
- Troubleshooting esie04 01 219
- Applicable model all models of skyair series 220
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 220
- Error detection method 220
- Error generating condition 220
- Esie04 01 troubleshooting 220
- Part 3 troubleshooting 3 21 220
- Possible cause 220
- Remote control lcd displays 88 220
- Troubleshooting 220
- Swing flap does not operate 221
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 222
- Esie04 01 troubleshooting 222
- Part 3 troubleshooting 3 23 222
- Troubleshooting 222
- 24 part 3 troubleshooting 223
- Inspection mode 223
- Local setting mode 223
- Normal mode 223
- Procedure of self diagnosis by remote control 223
- Service mode 223
- Test operation mode 223
- The following modes can be selected by using the inspection test operation button on the remote control 223
- The inspection test button 223
- Troubleshooting esie04 01 223
- Fault diagnosis by wired remote control 224
- Fault diagnosis by infrared remote control 225
- Overview of error codes 229
- Troubleshooting by led indications 231
- Troubleshooting by led on the indoor unit s 231
- Remark 232
- Troubleshooting by led on outdoor unit pcb 232
- High probability of malfunction possibility of malfunction low probability of malfunction no possibility of malfunction do not replace 233
- Indoor malfunctions 233
- Led blinks 233
- Led off no connection with troubleshooting 233
- Led on 233
- Troubleshooting by remote control display led display 233
- Outdoor malfunctions 234
- System 235
- Overview of the outdoor safety devices 236
- Overview of the indoor safety devices 237
- Error codes indoor units 238
- Part 3 238
- What is in this chapter 238
- 40 part 3 troubleshooting 239
- Causes the possible cause is a malfunctioning indoor pcb 239
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 239
- Eeprom electrically erasable programmable read only memory a memory chip that holds its content without power it can be erased either within the computer or externally and usually requires more voltage for erasure than the common 5 volts used in logic circuits it functions like non volatile ram but writing to eeprom is slower than writing to ram 239
- Error code 239
- Error codes indoor units esie04 01 239
- Error generation the error is generated when the data from the eeprom is not received correctly 239
- Led indications the table below shows the led indications 239
- Malfunctioning 239
- Malfunctioning indoor pcb a1 239
- Normal 239
- Operation hap green hbp green 239
- Troubleshooting 239
- Malfunction of drain water level system a3 240
- 42 part 3 troubleshooting 241
- Error codes indoor units esie04 01 241
- Is the optional drain raising mechanism connected 241
- Troubleshooting 241
- 44 part 3 troubleshooting 243
- Causes the possible causes are 243
- Error code 243
- Error codes indoor units esie04 01 243
- Error generation the error is generated when the float switch changes from on to off while the compressor is off 243
- Error in the drain pipe installation 243
- Led indications the table below shows the led indications 243
- Malfunctioning 243
- Malfunctioning drain system af 243
- Malfunctioning float switch 243
- Malfunctioning indoor unit pcb 243
- Normal 243
- Operation hap green hbp green 243
- Troubleshooting 243
- Indoor unit fan motor lock a6 245
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 246
- Esie04 01 error codes indoor units 246
- Part 3 troubleshooting 3 47 246
- Troubleshooting 246
- Malfunctioning capacity setting aj 247
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 248
- Esie04 01 error codes indoor units 248
- Part 3 troubleshooting 3 49 248
- Troubleshooting 248
- Thermistor abnormality c4 c5 c9 249
- C4 indoor liquid pipe thermistor r2t c5 gaspipe thermistor r3t c9 air suction thermistor r1t 250
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 250
- Esie04 01 error codes indoor units 250
- Part 3 troubleshooting 3 51 250
- Troubleshooting 250
- 52 part 3 troubleshooting 251
- Broken wire 251
- Causes the possible causes are 251
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 251
- Error code 251
- Error codes indoor units esie04 01 251
- Error generation the error is generated when the remote control thermistor becomes disconnected or shorted while the unit is running 251
- Even if the remote control thermistor is malfunctioning the system can operate with the system thermistor 251
- Led indications the table below shows the led indications 251
- Malfunctioning 251
- Malfunctioning remote control air thermistor cj 251
- Malfunctioning thermistor 251
- Normal 251
- Operation hap green hbp green 251
- Troubleshooting 251
- Error codes outdoor units 252
- Part 3 252
- What is in this chapter 252
- 54 part 3 troubleshooting 253
- Actuation of outdoor unit protection device 253
- Actuation of protection device e0 253
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 253
- Error codes outdoor units esie04 01 253
- Faulty outdoor unit pc board 253
- Instantaneous power failure 253
- Malfunction decision conditions 253
- Method of malfunction detection 253
- Remote control display 253
- Supposed causes 253
- The protection device input circuit checks the actuation of each individual protection device batch detection of all protection devices 253
- Troubleshooting 253
- Failure of outdoor unit pc board e1 254
- Abnormal high pressure detected by the hps e3 255
- Stop valve is left in closed 255
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 256
- Check no 5 256
- Connect correctly 256
- Esie04 01 error codes outdoor units 256
- Open the stop valve 256
- Part 3 troubleshooting 3 57 256
- Troubleshooting 256
- 1 voltage measurement point 257
- 58 part 3 troubleshooting 257
- Abnormal drop of low pressure lower than 0 5mpa 257
- Actuation of low pressure sensor e4 257
- Defect of low pressure sensor 257
- Defect of outdoor unit pc board 257
- Error codes outdoor units esie04 01 257
- Error is generated when the low pressure is dropped under specific pressure 257
- Malfunction decision conditions 257
- Method of malfunction detection 257
- Remote control display 257
- Stop valve is not opened 257
- Supposed causes 257
- Troubleshooting 257
- 2 refer to low pressure sensor check on page 3 111 258
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 258
- Esie04 01 error codes outdoor units 258
- Part 3 troubleshooting 3 59 258
- Compressor motor lock e5 259
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 260
- Esie04 01 error codes outdoor units 260
- Part 3 troubleshooting 3 61 260
- Troubleshooting 260
- Malfunction of outdoor unit fan motor e7 261
- Malfunction of electronic expansion valve e9 262
- 64 part 3 troubleshooting 263
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 263
- Error codes outdoor units esie04 01 263
- Troubleshooting 263
- Malfunctioning in discharge pipe temperature f3 264
- 66 part 3 troubleshooting 265
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 265
- Error codes outdoor units esie04 01 265
- Troubleshooting 265
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 266
- Disconnected lead wire 266
- Disconnection in high pressure switch harness 266
- Esie04 01 error codes outdoor units 266
- Faulty connection of high pressure switch connector 266
- Faulty outdoor unit pc board 266
- Incomplete high pressure switch 266
- Malfunction decision conditions 266
- Malfunctioning hps system h3 266
- Method of malfunction detection 266
- Part 3 troubleshooting 3 67 266
- Remote control display 266
- Supposed causes 266
- The protection device circuit checks continuity in the high pressure switch 266
- Troubleshooting 266
- When there is no continuity in the high pressure switch during compressor stops operating 266
- 68 part 3 troubleshooting 267
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 267
- Detection of signal malfunction from outdoor fan motor 267
- Disconnection short of fan motor lead wire and coming off the connector 267
- Error codes outdoor units esie04 01 267
- Faulty pc board 267
- Malfunction decision conditions 267
- Malfunction of fan motor signal circuit failure 267
- Malfunction of outdoor fan motor signal h7 267
- Method of malfunction detection 267
- Remote control display 267
- Supposed causes 267
- Troubleshooting 267
- When malfunction signal is detected at the start of fan motor operation 267
- Abnormality is detected according to the temperature detected by each individual thermistor 268
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 268
- Esie04 01 error codes outdoor units 268
- Faulty connection of connector 268
- Faulty outdoor unit pc board control pc board 268
- Faulty thermistor 268
- H9 j3 j5 j6 268
- Malfunction decision conditions 268
- Malfunction of thermistor system h9 j3 j5 j6 268
- Method of malfunction detection 268
- Part 3 troubleshooting 3 69 268
- Remote control display 268
- Supposed causes 268
- Troubleshooting 268
- When thermistor is disconnected or short circuited during operation 268
- 1 voltage measurement point 269
- 2 refer to pressure sensor pressure voltage characteristics table on page 269
- 70 part 3 troubleshooting 269
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 269
- Connection of high pressure sensor with wrong connection 269
- Defect of low pressure sensor system 269
- Defect of outdoor unit pc board 269
- Error codes outdoor units esie04 01 269
- Malfunction decision conditions 269
- Malfunction is detected from pressure detected by low pressure sensor 269
- Malfunction of suction pipe pressure sensor jc 269
- Method of malfunction detection 269
- Remote control display 269
- Supposed causes 269
- Troubleshooting 269
- When the suction pipe pressure sensor is short circuit or open circuit 269
- Activation of fin thermal switch 270
- Blocked suction opening 270
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 270
- Detection reset rzq71 90 c 80 c rzq100 125 98 c 88 c 270
- Dirty radiation fin 270
- Esie04 01 error codes outdoor units 270
- Faulty fin thermistor 270
- Faulty outdoor unit pcb 270
- Fin temperature detection values 270
- Fin temperature is detected by the thermistor of the radiation fin thermistor for rzq100 125 is on power transistor igbt 270
- High outside air temperature 270
- Insufficient cooling of inverter radiation fin 270
- Malfunction decision conditions 270
- Method of malfunction detection 270
- Part 3 troubleshooting 3 71 270
- Radiation fin temperature increased l4 270
- Remote control display 270
- Supposed causes 270
- Troubleshooting 270
- When the temperature of the inverter radiation fin increases abnormally due to faulty heat dissipation 270
- Dc output overcurrent instantaneous l5 271
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 272
- Esie04 01 error codes outdoor units 272
- Part 3 troubleshooting 3 73 272
- Troubleshooting 272
- Electronic thermal time lag l8 273
- Inverter pc board detects the disorder of position signal 273
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 274
- Esie04 01 error codes outdoor units 274
- Part 3 troubleshooting 3 75 274
- Troubleshooting 274
- Stall prevention time lag l9 275
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 276
- Esie04 01 error codes outdoor units 276
- Part 3 troubleshooting 3 77 276
- Troubleshooting 276
- Malfunction of transmission system between control pcb and inverter pcb lc 277
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 278
- Esie04 01 error codes outdoor units 278
- Part 3 troubleshooting 3 79 278
- Troubleshooting 278
- Open phase p1 279
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 280
- Esie04 01 error codes outdoor units 280
- Part 3 troubleshooting 3 81 280
- Troubleshooting 280
- 82 part 3 troubleshooting 281
- Detection by open or short circuit of the radiator fin temperature thermistor during the compressor stops operating 281
- Error codes outdoor units esie04 01 281
- Faulty outdoor unit pc board 281
- Faulty radiator fin temperature thermistor rzq100 125 needs inverter pcb replacement 281
- Faulty radiator fin temperature thermistor rzq71 281
- Malfunction decision conditions 281
- Malfunction of radiator fin temperature thermistor p4 281
- Method of malfunction detection 281
- Remote control display 281
- Supposed causes 281
- Troubleshooting rzq71 281
- When open or short circuit of the radiator fin temperature thermistor is detected during the compressor stops operating 281
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 282
- Esie04 01 error codes outdoor units 282
- Part 3 troubleshooting 3 83 282
- Troubleshooting rzq100 125 282
- 84 part 3 troubleshooting 283
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 283
- Check whether set value written in 283
- Error codes outdoor units esie04 01 283
- Failure of capacity setting pj 283
- Faulty outdoor unit pc board 283
- Improper capacity setting adaptor 283
- Improper set value of 283
- Malfunction decision conditions 283
- Method of malfunction detection 283
- Prom at factory or set value of capacity setting adaptor for replacement is the same as outdoor unit capacity 283
- Prom differs from the outdoor unit capacity or a capacity setting adaptor except for pc board applicable models is installed malfunction decision is made only when turning the power supply on 283
- Remote control display 283
- Supposed causes 283
- Troubleshooting 283
- When the set value on 283
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 284
- Clogged refrigerant piping system 284
- Esie04 01 error codes outdoor units 284
- Gas shortage is not decided repeating retry when inspection button on the remote control is pushed u0 is displayed 284
- Gas shortage malfunction u0 284
- In normal operation gas shortage is detected according to the discharge pipe temperature 284
- In normal operation when microcomputer judges and detects gas shortage 284
- In test operation detection by closed stop valve 284
- In test operation variations of the indoor unit heat exchange temperature judge whether stop valve is open or closed 284
- Insufficient refrigerant amount 284
- Malfunction decision conditions 284
- Method of malfunction detection 284
- Part 3 troubleshooting 3 85 284
- Remote control display 284
- Supposed causes 284
- The stop valve is left in closed 284
- Troubleshooting 284
- Abnormal power supply voltage u2 285
- Remote control does not decide the abnormality 285
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 286
- Esie04 01 error codes outdoor units 286
- Part 3 troubleshooting 3 87 286
- Troubleshooting 286
- Error codes system malfunctions 288
- Part 3 288
- What is in this chapter 288
- 90 part 3 troubleshooting 289
- Causes the possible causes are 289
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 289
- Error code 289
- Error codes system malfunctions esie04 01 289
- Error generation the error is generated when the microprocessor detects that the transmission between the indoor and the outdoor unit is not normal over a certain amount of time 289
- Malfunction of transmission between indoor and outdoor unit u4 or uf 289
- Malfunctioning indoor unit pcb 289
- Malfunctioning outdoor unit pcb 289
- Outside cause noise 289
- Troubleshooting 1 diagnosis of incorrect or broken disconnected wiring if the leds on the indoor unit pc board are off it indicates that the transmission wiring between indoor and outdoor units may be incorrect or broken disconnected 289
- Wiring indoor outdoor transmission wire is incorrect 289
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 290
- Esie04 01 error codes system malfunctions 290
- Part 3 troubleshooting 3 91 290
- Troubleshooting 2 290
- 92 part 3 troubleshooting 291
- Causes the possible causes are 291
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 291
- Connection of two master remote controls when using two remote controls 291
- Error code 291
- Error codes system malfunctions esie04 01 291
- Error generation the error is generated when the microprocessor detects that the transmission between the indoor unit and the remote control is not normal over a certain amount of time 291
- Malfunction of transmission between indoor unit and remote control u5 291
- Malfunctioning indoor pcb 291
- Malfunctioning remote control 291
- Outside cause noise 291
- Troubleshooting 291
- Causes the possible causes are 292
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 292
- Connection among sub remote controls 292
- Error code 292
- Error generation the error is generated when in case of controlling with two remote controls the microprocessor detects that the transmission between the indoor unit and the remote controls main and sub is not normal over a certain amount of time 292
- Esie04 01 error codes system malfunctions 292
- Malfunction of transmission between main remote control and sub remote control u8 292
- Malfunctioning remote control pcb 292
- Part 3 troubleshooting 3 93 292
- Transmission error between main remote control and sub remote control 292
- Troubleshooting 292
- Malfunctioning field setting switch ua 293
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 294
- Esie04 01 error codes system malfunctions 294
- Part 3 troubleshooting 3 95 294
- Troubleshooting 294
- Centralized address setting error uc 295
- Additional checks for troubleshooting 296
- Part 3 296
- What is in this chapter 296
- Indoor unit checking the fan motor hall ic 297
- Indoor unit checking the power supply wave form 298
- 100 part 3 troubleshooting 299
- Additional checks for troubleshooting esie04 01 299
- Checking to check the installation condition proceed as follows 299
- Outdoor unit checking the installation condition 299
- Outdoor unit checking the expansion valve 300
- Checking the thermistors 301
- Resistance conversion table ambient coil fin 302
- R3t resistance conversion table discharge pipe sensor 303
- Evaluation of abnormal high pressure 304
- Evaluation of abnormal low pressure 305
- Checks 306
- Clogged points 306
- Indoor unit fan motor checks phase controlled motor 307
- Outdoor unit fan motor signal line 307
- Outdoor unit fan speed pulse 308
- Outdoor unit check for power transistor 309
- Measure the voltage dc between pins 2 and 3 of the connector 310
- Outdoor unit check lps 310
- Part 4 commissioning and test run 312
- Part 4 314
- Pre test run checks 314
- What is in this chapter 314
- Test run checks 315
- Setting the infrared remote control 316
- Field settings 320
- Part 4 320
- What is in this chapter 320
- How to change the field settings with the wired remote control 321
- How to change the field settings with the infrared remote control 323
- Overview of the field settings on the indoor units 324
- Overview of the factory settings on the indoor units 325
- Setting the ceiling height 326
- Setting the filter counter 327
- Main sub setting when using two remote controls 328
- Setting the centralized group no 329
- 20 part 4 commissioning and test run 331
- Field settings esie04 01 331
- Inspection level 331
- Introduction the three field setting levels are 331
- Maintenance mode settings 331
- Monitoring level 331
- The field setting levels 331
- The flow chart below explains the different windows of the inspection level 331
- The inspection level the inspection level is the highest level of the three field setting levels you can change the views in the inspection level by pressing the inspection test button 331
- Overview of the field settings on the outdoor units 334
- Overview of the factory settings on the outdoor units 336
- Silent operation 337
- Silent operation by automatic control 337
- External activation from optional pcb 338
- I demand function 339
- Setting for low humidity application 341
- Defrost start setting 347
- Part 4 348
- Test run and operation data 348
- General operation data 349
- Air flow rate high 352
- Conditions the illustrations in this section are based on the following conditions 352
- Equivalent piping length 7 m 352
- Esie04 01 test run and operation data 352
- Level difference 0 m 352
- Operation range 352
- Operation range cooling the illustration below shows the operation range 352
- Operation range heating the illustration below shows the operation range 352
- Part 4 commissioning and test run 4 41 352
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