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Daikin FAQ100BVV1B [210/381] Malfunction of transmission between indoor and outdoor unit u4 or uf
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Error Codes: System Malfunctions ESIEN05-04
4–4 Part 3 – Troubleshooting
3
1
3
4
5
1.2 Malfunction of Transmission between Indoor and Outdoor Unit (
U4
or
UF
)
Error code U4 or UF
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.
Causes The possible causes are:
Q Wiring indoor-outdoor transmission wire is incorrect
Q Malfunctioning indoor unit PCB
Q Malfunctioning outdoor unit PCB
Q Outside cause (noise...).
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.
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Turn the power supply off
once and then back on.
Check of
indoor unit
microcomputer
normal
HAP
Check of
indoor unit
transmission
malfunction
HBP
Failure of indoor unit PCB or
malfunction of power supply
system.
Resets normally.
Could be outside cause (noise...).
Failure of indoor unit PCB.
Wire correctly.
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO (OFF)
NO (ON or OFF)
To outdoor unit
(next page)
Is HAP flashing?
Is HAP flashing?
Is
indoor-outdoor
transmission wire
connected
correctly?
Does
outdoor unit
microcomputer
normal H1P
flash?
Is H2P on?
Is H1P flashing?
Содержание
- R 410a sky air indoor 1
- Service manual 1
- R 410a sky air indoor 2
- Service manual 2
- W w w d a i k i n e u 2
- General outline 3
- Introduction 3
- Part 1 system outline 3
- Specifications 3
- Table of contents 3
- Functional diagrams 4
- Switch box layout 4
- Wiring diagrams 4
- Pcb layout 5
- Functional concept 6
- Part 2 functional description 6
- Error codes 7
- Error codes system malfunctions 7
- Part 3 troubleshooting 7
- Troubleshooting 7
- Additional checks for troubleshooting 8
- Field settings 9
- Part 4 commissioning and test run 9
- Pre test run checks 9
- Test run and operation data 9
- Disassembly and maintenance 10
- Part 5 disassembly and maintenance 10
- About this manual 11
- Introduction 11
- Part 0 11
- 2 stands for symmetrical twin combination 12
- 3 stands for symmetrical triple combination 12
- 4 stands for symmetrical double twin combination 12
- Ceiling suspended 12
- Combination overview 12
- Cooling only cooling only heat pump 12
- Duct standard 12
- Indoor unit 12
- Introduction esien05 04 12
- Introduction in the tables in this section 12
- M stands for multi combination 12
- Non inverter inverter 12
- Outdoor unit 12
- P stands for pair combination 12
- Pair split outdoor the table below contains the possible combinations between indoor units and pair split outdoor units 12
- T stands for assymmetrical twin or triple combination 12
- X600 cassette 12
- X950 cassette standard 12
- Ceiling suspended 13
- Cooling only heat pump 13
- Duct standard 13
- Esien05 04 introduction 13
- Indoor unit 13
- Inverter 13
- Multi split outdoor the table below contains the possible combinations between indoor units and multi split outdoor units 13
- Outdoor unit 13
- X600 cassette 13
- X950 cassette standard 13
- Cooling only heat pump heat pump 14
- High cop 14
- Indoor unit 14
- Introduction esien05 04 14
- Non inverter inverter 14
- Outdoor unit 14
- Sc30 duct 14
- Sky air outdoor the table below contains the possible combinations between indoor units and sky air outdoor units 14
- Standard 14
- X950 cassette 14
- Ceiling suspended 15
- Ceiling suspended cassette 15
- Cooling only heat pump heat pump 15
- Esien05 04 introduction 15
- Indoor unit 15
- Non inverter inverter 15
- Outdoor unit 15
- Wall mounted 15
- Part 1 system outline 19
- General outline 21
- Part 1 21
- What is in this chapter 21
- 4 part 1 system outline 22
- Fcq35 50 60 71b 22
- General outline esien05 04 22
- 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 22
- 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 22
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 22
- Required installation space when the discharge grill is closed the required space is 200 mm or more 22
- View a 22
- View b 22
- View c 22
- View d 22
- 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 22
- 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 22
- 6 part 1 system outline 24
- Fcq100 125b 24
- General outline esien05 04 24
- 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 24
- 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 24
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 24
- Required installation space when the discharge grill is closed the required space is 200 mm or more 24
- View a 24
- View b 24
- View c 24
- View d 24
- 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 24
- 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 24
- 8 part 1 system outline 26
- Fcq71d 26
- General outline esien05 04 26
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 26
- 10 part 1 system outline 28
- Fcq100 125 140d 28
- General outline esien05 04 28
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 28
- 12 part 1 system outline 30
- Ffq25 35 50 60b 30
- General outline esien05 04 30
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 30
- 14 part 1 system outline 32
- Fbq35 50b 32
- General outline esien05 04 32
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 32
- 16 part 1 system outline 34
- Fbq60 71b 34
- General outline esien05 04 34
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 34
- 18 part 1 system outline 36
- Fbq100 125b 36
- General outline esien05 04 36
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 36
- Fdq125b 38
- Fdq200 250b 40
- 24 part 1 system outline 42
- Fhq35 50b 42
- General outline esien05 04 42
- In case of using infrared remote control this position will be a signal receiver refer to the drawing of infrared remote control for detail 42
- Notes 1 location of unit s name plate bottom of fan housing inside the suction grill 42
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 42
- Piping straight trough the wall 42
- Position of the hole in the wall for 42
- Position slit hole for taking out in piping back 42
- The front 42
- View from the front 42
- 26 part 1 system outline 44
- Fhq60 71b 44
- General outline esien05 04 44
- In case of using infrared remote control this position will be a signal receiver refer to the drawing of infrared remote control for detail 44
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 44
- Piping straight trough the wall 44
- Position of the hole in the wall for 44
- Position slit hole for taking out in piping back 44
- The front 44
- View from the front 44
- View from the front notes 1 location of unit s name plate bottom of fan housing inside the suction grill 44
- 28 part 1 system outline 46
- Fhq100b 46
- General outline esien05 04 46
- In case of using infrared remote control this position will be a signal receiver refer to the drawing of infrared remote control for detail 46
- Notes 1 location of unit s name plate bottom of fan housing inside the suction grill 46
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 46
- Piping straight trough the wall 46
- Position of the hole in the wall for 46
- Position slit hole for taking out in piping back 46
- The front 46
- View from the front 46
- 30 part 1 system outline 48
- Fhq125b 48
- General outline esien05 04 48
- In case of using infrared remote control this position will be a signal receiver refer to the drawing of infrared remote control for detail 48
- Notes 1 location of unit s name plate bottom of fan housing inside the suction grill 48
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 48
- Piping straight trough the wall 48
- Position of the hole in the wall for 48
- Position slit hole for taking out in piping back 48
- The front 48
- View from the front 48
- 32 part 1 system outline 50
- Fuq71b 50
- General outline esien05 04 50
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 50
- 34 part 1 system outline 52
- Fuq100 125b 52
- General outline esien05 04 52
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 52
- 36 part 1 system outline 54
- Faq71b 54
- General outline esien05 04 54
- In case of using infrared remote control this position will be a signal receiver refer to the drawing of infrared remote control for detail 54
- Notes 1 location of unit s name plate right side surface of casing 54
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 54
- 38 part 1 system outline 56
- Faq100b 56
- General outline esien05 04 56
- In case of using infrared remote control this position will be a signal receiver refer to the drawing of infrared remote control for detail 56
- Notes 1 location general rated name plate right side plate outside surface 56
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 56
- 40 part 1 system outline 58
- Fdeq71 100b 58
- General outline esien05 04 58
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 58
- 42 part 1 system outline 60
- Fdeq125b 60
- General outline esien05 04 60
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 60
- Part 1 63
- Specifications 63
- What is in this chapter 63
- 46 part 1 system outline 64
- Electrical specifications the table below contains the electrical specifications 64
- Specifications esien05 04 64
- Technical specifications the table below contains the technical specifications 64
- Electrical specifications the table below contains the electrical specifications 65
- Esien05 04 specifications 65
- Part 1 system outline 1 47 65
- Technical specifications the table below contains the technical specifications 65
- 48 part 1 system outline 66
- Electrical specifications the table below contains the electrical specifications 66
- Specifications esien05 04 66
- Technical specifications the table below contains the technical specifications 66
- Electrical specifications the table below contains the electrical specifications 67
- Esien05 04 specifications 67
- Part 1 system outline 1 49 67
- Technical specifications the table below contains the technical specifications 67
- 50 part 1 system outline 68
- Electrical specifications the table below contains the electrical specifications 68
- Specifications esien05 04 68
- Technical specifications the table below contains the technical specifications 68
- Electrical specifications the table below contains the electrical specifications 69
- Esien05 04 specifications 69
- Part 1 system outline 1 51 69
- Technical specifications the table below contains the technical specifications 69
- 52 part 1 system outline 70
- Electrical specifications the table below contains the electrical specifications 70
- Specifications esien05 04 70
- Technical specifications the table below contains the technical specifications 70
- Electrical specifications the table below contains the electrical specifications 71
- Esien05 04 specifications 71
- Part 1 system outline 1 53 71
- Technical specifications the table below contains the technical specifications 71
- 54 part 1 system outline 72
- Electrical specifications the table below contains the electrical specifications 72
- Fdeq b 72
- Specifications esien05 04 72
- Technical specifications the table below contains the technical specifications 72
- Functional diagrams 73
- Part 1 73
- What is in this chapter 73
- 56 part 1 system outline 74
- All indoor units 74
- Fbq35 60b 74
- Fcq35 60b 74
- Ffq25 60b 74
- Fhq35 60b 74
- Functional diagrams esien05 04 74
- Indoor piping 74
- Remark r3t only present on following types of indoor units 74
- Esien05 04 functional diagrams 75
- No component function remark 75
- Part 1 system outline 1 57 75
- Piping components the table below contains the different components of the functional diagrams 75
- Remark sensor r3t on indoor coil of fcq35 60b ffq35 60b fbq35 60b fhq35 60bu is not used when connected to sky air outdoor units rr rq rzq 75
- Pipe connection diameters 76
- Components the table below contains the different components of the functional diagrams 77
- Esien05 04 77
- No component function remark 77
- Part 1 77
- Part 1 system outline 1 59 77
- Piping components 77
- Part 1 79
- What is in this chapter 79
- Wiring diagrams 79
- Электрические схемы 79
- 62 part 1 system outline 80
- Fcq35 50 60b 80
- Wiring diagram the illustration below shows the wiring diagram of the unit 80
- Wiring diagrams esien05 04 80
- Esien05 04 wiring diagrams 81
- Part 1 system outline 1 63 81
- 64 part 1 system outline 82
- Fcq71 100 125b 82
- Wiring diagram the illustration below shows the wiring diagram of the unit 82
- Wiring diagrams esien05 04 82
- Esien05 04 wiring diagrams 83
- Part 1 system outline 1 65 83
- 66 part 1 system outline 84
- Fcq71 100 125 140d 84
- Wiring diagram the illustration below shows the wiring diagram of the unit 84
- Wiring diagrams esien05 04 84
- Esien05 04 wiring diagrams 85
- Part 1 system outline 1 67 85
- 68 part 1 system outline 86
- Ffq25 35 50 60b 86
- Wiring diagram the illustration below shows the wiring diagram of the unit 86
- Wiring diagrams esien05 04 86
- Esien05 04 wiring diagrams 87
- Part 1 system outline 1 69 87
- 50 60 class 88
- 70 part 1 system outline 88
- Fbq35 50 60b 88
- Wiring diagram the illustration below shows the wiring diagram of the unit 88
- Wiring diagrams esien05 04 88
- Esien05 04 wiring diagrams 89
- Part 1 system outline 1 71 89
- 72 part 1 system outline 90
- Fbq71b 90
- Wiring diagram the illustration below shows the wiring diagram of the unit 90
- Wiring diagrams esien05 04 90
- Esien05 04 wiring diagrams 91
- Part 1 system outline 1 73 91
- 125 class 92
- 74 part 1 system outline 92
- Fbq100 125b 92
- Wiring diagram the illustration below shows the wiring diagram of the unit 92
- Wiring diagrams esien05 04 92
- Esien05 04 wiring diagrams 93
- Part 1 system outline 1 75 93
- 76 part 1 system outline 94
- Fdq125 200 250b 94
- Wiring diagram the illustration below shows the wiring diagram of the unit 94
- Wiring diagrams esien05 04 94
- Esien05 04 wiring diagrams 95
- Part 1 system outline 1 77 95
- 78 part 1 system outline 96
- Fhq35 50 60b 96
- Wiring diagram the illustration below shows the wiring diagram of the unit 96
- Wiring diagrams esien05 04 96
- Esien05 04 wiring diagrams 97
- Part 1 system outline 1 79 97
- 80 part 1 system outline 98
- Fhq71 100 125b 98
- Wiring diagram the illustration below shows the wiring diagram of the unit 98
- Wiring diagrams esien05 04 98
- Esien05 04 wiring diagrams 99
- Part 1 system outline 1 81 99
- 82 part 1 system outline 100
- Fuq71 100 125b 100
- Wiring diagram the illustration below shows the wiring diagram of the unit 100
- Wiring diagrams esien05 04 100
- Esien05 04 wiring diagrams 101
- Part 1 system outline 1 83 101
- 84 part 1 system outline 102
- Faq71b 102
- Wiring diagram the illustration below shows the wiring diagram of the unit 102
- Wiring diagrams esien05 04 102
- Esien05 04 wiring diagrams 103
- Part 1 system outline 1 85 103
- 86 part 1 system outline 104
- Faq100b 104
- Wiring diagram the illustration below shows the wiring diagram of the unit 104
- Wiring diagrams esien05 04 104
- Esien05 04 wiring diagrams 105
- Part 1 system outline 1 87 105
- 88 part 1 system outline 106
- Fdeq71b 106
- Wiring diagram the illustration below shows the wiring diagram of the unit 106
- Wiring diagrams esien05 04 106
- Esien05 04 wiring diagrams 107
- Part 1 system outline 1 89 107
- 90 part 1 system outline 108
- Fdeq100b 108
- Wiring diagram the illustration below shows the wiring diagram of the unit 108
- Wiring diagrams esien05 04 108
- Esien05 04 wiring diagrams 109
- Part 1 system outline 1 91 109
- 92 part 1 system outline 110
- Fdeq125b 110
- Wiring diagram the illustration below shows the wiring diagram of the unit 110
- Wiring diagrams esien05 04 110
- Esien05 04 wiring diagrams 111
- Part 1 system outline 1 93 111
- Part 1 113
- Switch box layout 113
- What is in this chapter 113
- Fcq35 50 60 71b 114
- Fcq100 125b 115
- Fcq71 100 125 140d 116
- Ffq25 35 50 60b 117
- Fbq35 50 60 71 100 125b 118
- Fdq125 200 250b 119
- Fhq35 50 60 71 100 125b 120
- Fuq71 100 125b 121
- Faq71b 122
- Faq100b 123
- Fdeq71 100 125b 124
- Part 1 125
- Pcb layout 125
- What is in this chapter 125
- Fcq35 50 60b 126
- Fcq71 100 125b 127
- Fcq71 100 125 140d 128
- Ffq25 35 50 60b 130
- Fbq35 50 60 71b fdeq71b 131
- Fbq100 125b fdeq100 125b 132
- Fdq125 200 250b 133
- Fhq35 50 60b 134
- Fhq71 100 125b 135
- Fuq71 100 125b 136
- Faq71b 137
- Faq100b 138
- Part 2 functional description 139
- Functional concept 141
- Part 2 141
- What is in this chapter 141
- Functions of thermistors 142
- Forced operating mode emergency operation 143
- Outdoor unit identification function 145
- Simulated operation function 146
- Esien05 04 functional concept 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
- Part 2 functional description 2 9 147
- Restart standby 147
- Automatic restart 148
- Applicable the remote control thermostat is only available in wired remote controls 149
- Condition the remote control thermostat is not used when 149
- Conditions the table below contains the condition in which the remote control thermostat is not used 149
- Cooling the diagram below shows the operation range of the set temperature air suction temperature combination in cooling operation 149
- Differential 149
- Esien05 04 functional concept 149
- Group control is used 149
- Method unlike with vrv units the remote control sensor is standard disabled for sky air units the use of the remote control sensor can be enabled by changing field setting 10 20 2 02 to 10 20 2 01 149
- Part 2 functional description 2 11 149
- Range in which body thermostat sensor can be used 149
- Range in which thermostat sensor in remote control can be used 149
- The remote control thermostat malfunctions 149
- The set temperature air suction temperature combination is out of range see below graph 149
- Using conditions for remote control thermostat 149
- 12 part 2 functional description 150
- Functional concept esien05 04 150
- Heating the diagram below shows the operation range of the set temperature air suction temperature combination in heating operation 150
- Forced thermostat off 151
- Freeze prevention function 152
- Pmv control 153
- Thermostat control 154
- Drain pump control 155
- Condensation avoidance control 157
- 20 part 2 functional description 158
- Defrosting the time chart below illustrates the draft avoidance control 1 in defrosting 158
- Draft avoidance control 1 158
- Functional concept esien05 04 158
- Heating thermostat off the time chart below illustrates the draft avoidance control 1 in heating thermostat off 158
- Input connection on indoor pcb connection on outdoor pcb 158
- Limit switch for flap 33s 158
- No of fan turns x26a 158
- Outdoor heat exchanger thermistor defrost control r2t 158
- 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 158
- Used inputs the draft avoidance control 1 uses the following inputs 158
- Draft avoidance control 2 159
- Fan and flap operations 160
- Indoor unit fan control 161
- Part 3 troubleshooting 163
- Part 3troubleshooting 163
- Part 3 165
- Troubleshooting 165
- What is in this chapter 165
- 4 part 3 troubleshooting 166
- Find out the situation according to the following procedure when there is a request for service from the customer 166
- General troubleshooting flowchart 166
- Troubleshooting esien05 04 166
- Overview of general problems 167
- Equipment does not operate 168
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 169
- Esien05 04 troubleshooting 169
- Part 3 troubleshooting 3 7 169
- Troubleshooting 169
- Indoor fan operates but compressor does not 170
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 171
- Esien05 04 troubleshooting 171
- Part 3 troubleshooting 3 9 171
- Troubleshooting 171
- Cooling heating operation starts but stops immediately 172
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 173
- Esien05 04 troubleshooting 173
- Part 3 troubleshooting 3 11 173
- Troubleshooting 173
- Equipment operates but does not provide heating 174
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 175
- Esien05 04 troubleshooting 175
- Part 3 troubleshooting 3 13 175
- Troubleshooting 175
- 14 part 3 troubleshooting 176
- Applicable model all models of skyair series 176
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 176
- Clogged air filter 176
- Equipment discharges white mist 176
- Error detection method 176
- Error generating condition 176
- Humid installation site 176
- Installation site is dirty and with dense oil mists 176
- Malfunction of fan motor 176
- Possible cause 176
- Soiled heat exchanger 176
- Troubleshooting 176
- Troubleshooting esien05 04 176
- Air intrudes into refrigerant system 177
- Applicable model all models of skyair series 177
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 177
- Equipment produces loud noise or shakes 177
- Error detection method 177
- Error generating condition 177
- Esien05 04 troubleshooting 177
- Excess charge of refrigerant 177
- Flushing noise due to refrigerant shortage sound of shoo 177
- Part 3 troubleshooting 3 15 177
- Possible cause 177
- Troubleshooting 177
- 16 part 3 troubleshooting 178
- Animal s hair 178
- Applicable model all models of skyair series 178
- Application cloth shop 178
- Carpet 178
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 178
- Equipment discharges dust 178
- Error detection method 178
- Error generating condition 178
- Possible cause 178
- Troubleshooting 178
- Troubleshooting esien05 04 178
- Applicable model all models of skyair series 179
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 179
- Error detection method 179
- Error generating condition 179
- Esien05 04 troubleshooting 179
- Part 3 troubleshooting 3 17 179
- Possible cause 179
- Remote control lcd displays 88 179
- Troubleshooting 179
- Swing flap does not operate 180
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 181
- Esien05 04 troubleshooting 181
- Part 3 troubleshooting 3 19 181
- Troubleshooting 181
- 20 part 3 troubleshooting 182
- Inspection mode 182
- Local setting mode 182
- Normal mode 182
- Procedure of self diagnosis by remote control 182
- Service mode 182
- Test operation mode 182
- The following modes can be selected by using the inspection test operation button on the remote control 182
- The inspection test button 182
- Troubleshooting esien05 04 182
- Fault diagnosis by wired remote control 183
- Fault diagnosis by infrared remote control 184
- Overview of error codes 188
- Troubleshooting by led indications on the indoor unit 189
- High probability of malfunction possibility of malfunction low probability of malfunction no possibility of malfunction do not replace 190
- Indoor malfunctions 190
- Led blinks 190
- Led off no connection with troubleshooting 190
- Led on 190
- Troubleshooting by remote control display led display 190
- System malfunctions 191
- Overview of the indoor safety devices 192
- Error codes 193
- Part 3 193
- What is in this chapter 193
- Malfunctioning indoor pcb a1 194
- Malfunction of drain water level system a3 195
- 34 part 3 troubleshooting 196
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 196
- Error codes esien05 04 196
- Remark if a3 is detected by a pc board which is not mounted with x15a the pc board is defective 196
- Troubleshooting 196
- Causes the possible causes are 197
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 197
- Error code 197
- Error generation the error is generated when the float switch changes from on to off while the compressor is off 197
- Error in the drain pipe installation 197
- Esien05 04 error codes 197
- Led indications the table below shows the led indications 197
- Malfunctioning 197
- Malfunctioning drain system af 197
- Malfunctioning float switch 197
- Malfunctioning indoor unit pcb 197
- Normal 197
- Operation hap green hbp green 197
- Part 3 troubleshooting 3 35 197
- Troubleshooting 197
- Indoor unit fan motor lock a6 198
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 199
- Esien05 04 error codes 199
- Part 3 troubleshooting 3 37 199
- Troubleshooting 199
- Malfunctioning capacity setting aj 200
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 201
- Esien05 04 error codes 201
- Part 3 troubleshooting 3 39 201
- Troubleshooting 201
- Thermistor abnormality c4 c5 c9 202
- C4 indoor liquid pipe thermistor r2t c5 gaspipe thermistor r3t c9 air suction thermistor r1t 203
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 203
- Esien05 04 error codes 203
- Part 3 troubleshooting 3 41 203
- Troubleshooting 203
- Malfunctioning remote control air thermistor cj 204
- Malfunctioning of moisture sensor system cc 205
- Part 4 commissioning and test run 207
- Part 4commissioning and testrun 207
- Error codes system malfunctions 209
- Part 4 209
- What is in this chapter 209
- 4 part 3 troubleshooting 210
- Causes the possible causes are 210
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 210
- Error code 210
- Error codes system malfunctions esien05 04 210
- 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 210
- Malfunction of transmission between indoor and outdoor unit u4 or uf 210
- Malfunctioning indoor unit pcb 210
- Malfunctioning outdoor unit pcb 210
- Outside cause noise 210
- 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 210
- Wiring indoor outdoor transmission wire is incorrect 210
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 211
- Esien05 04 error codes system malfunctions 211
- Part 3 troubleshooting 4 5 211
- Troubleshooting 2 211
- 6 part 3 troubleshooting 212
- Causes the possible causes are 212
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 212
- Connection of two master remote controls when using two remote controls 212
- Error code 212
- Error codes system malfunctions esien05 04 212
- 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 212
- Malfunction of transmission between indoor unit and remote control u5 212
- Malfunctioning indoor pcb 212
- Malfunctioning remote control 212
- Outside cause noise 212
- Troubleshooting 212
- Causes the possible causes are 213
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 213
- Connection among sub remote controls 213
- Error code 213
- 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 213
- Esien05 04 error codes system malfunctions 213
- Malfunction of transmission between main remote control and sub remote control u8 213
- Malfunctioning remote control pcb 213
- Part 3 troubleshooting 4 7 213
- Transmission error between main remote control and sub remote control 213
- Troubleshooting 213
- Malfunctioning field setting switch ua 214
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 215
- Esien05 04 error codes system malfunctions 215
- Part 3 troubleshooting 4 9 215
- Troubleshooting 215
- 10 part 3 troubleshooting 216
- Applicable models all indoor unit models 216
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 216
- Centralized address setting error uc 216
- Error codes system malfunctions esien05 04 216
- Faulty centralized address setting 216
- Faulty indoor unit pc board 216
- Indoor unit microcomputer detects and judges the centralized address signal according to the transmission between indoor units 216
- Malfunction decision conditions 216
- Method of malfunction detection 216
- Remote control display 216
- Supposed causes 216
- Troubleshooting 216
- When the microcomputer judges that the centralized address signal is duplicated 216
- Part 4 217
- Pre test run checks 217
- What is in this chapter 217
- Test run checks 218
- Setting the infrared remote control 219
- Field settings 223
- Part 4 223
- What is in this chapter 223
- How to change the field settings with the wired remote control 224
- How to change the field settings with the infrared remote control 226
- Overview of the field settings on the indoor units 227
- Overview of the factory settings on the indoor units 228
- Setting the ceiling height 229
- Setting the filter counter 230
- Main sub setting when using two remote controls 232
- Setting the centralized group no 233
- 28 part 4 commissioning and test run 234
- Field settings esien05 04 234
- Inspection level 234
- Introduction the three field setting levels are 234
- Maintenance mode settings 234
- Monitoring level 234
- The field setting levels 234
- The flow chart below explains the different windows of the inspection level 234
- 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 234
- Part 4 237
- Test run and operation data 237
- General operation data 238
- Part 5 disassembly and maintenance 241
- Part 5disassembly andmaintenance 241
- Disassembly and maintenance 243
- Part 5 243
- What is in this chapter 243
- Fcq35 50 60 71b 244
- Fcq100 125b 246
- Ffq25 35 50 60b 248
- Fbq35 50b 250
- Fbq60 71b 252
- Fbq100 125b 254
- Fdq125 200 250b 256
- Fdeq71 100b 258
- Fdeq125b 260
- Fcq71 100 125 140d 262
- Removal of suction grille 263
- Removal of air filter 264
- Block box cover then disconnect the connector for swing motor for the auto grille disconnect the auto grille power supply cable from the power supply terminal block 266
- Removal of decoration panel 266
- Reassembling 268
- Removal of horizontal blade 268
- Remove 2 screws each 16 screws in total to dismount the 8 horizontal blade bearings 268
- Disconnect the swing motor connector 269
- Removal of swing motor 269
- Remove the 2 swing motor mounting screws 269
- Remove the decoration cover in the corner located right below the refrigerant piping 269
- Direct connector x 4 pieces 271
- Disconnect each connector 7 connectors in total connected to the inside of the switch box 271
- Esien05 04 disassembly and maintenance 271
- Part 5 disassembly and maintenance 5 31 271
- Procedure 271
- Procedure points 1 271
- Removal of switch box 271
- Remove the 1 mounting screw on the terminal block cover 271
- Remove the 2 mounting screws on the switch box cover 271
- Transfer connector x 3 pieces 271
- Warning be sure to wait 10 minutes or more after turning off all power supplies before disassembling work 271
- Disconnect the connector for fan motor 272
- Remove the grounding wire mounting screw 272
- Remove the switch box fixing screw 272
- Tilt the switch box in the direction shown by the arrow then draw the entire switch box out 272
- Disconnect the 2 connectors between the power supply and control pc boards then draw the control pc board out in the direction shown by the arrow 273
- Disconnect the harness from the 2 tabs provided in the box 273
- Draw the inverter pc board out in the direction shown by the arrow 273
- Removal of pc board 273
- Remove 2 switch box mounting screws to open the box 273
- Disengage the 3 tabs on the front by pressing the back of the pc board in the direction shown by the arrow then remove the power supply pc board 274
- Disconnect the connector for humidity sensor 275
- Disengage the 3 tabs to remove the humidity sensor 275
- Removal of humidity sensor and air temperature thermistor 275
- Removal of fan motor 276
- Removal of drain pan drain pump float switch 278
- Clamp material securing the drain pump lead wire to the drain pump mounting plate clamp material bundling the drain pump lead wire and float switch lead wire 279
- Cut the clamp material 279
- Displace the drain pump sideward to remove it 279
- Pull the drain hose out 279
- Remove the 1 screw displace the float switch sideward then dismount the float switch 279
- Remove the 2 mounting screws on the drain pump 279
- Remove the 3 screws on the drain pump mounting plate 279
- Reverse the drain pump mounting plate which was removed according to the procedure described on the preceding page 279
- Removal of heat exchanger temperature thermistor 281
- Ffq25 50 60b 282
- Removal of suction grille 283
- Removal of air filter 284
- Removal of decoration panel 286
- Anti sweat material 289
- Padding 289
- Removal of horizontal vane 289
- Sealing material of discharge port 289
- Removal of swing motor 291
- Remove the swing motor 291
- Removal of switch box 293
- Remove decoration panel first 293
- Five pieces lead wires shown below connect to the pcb and lead wire connected to the capacitor for fan motor x15a lead wire of float switch x17a lead wire of thermistor for heating x18a lead wire of liquid pipe thermistor x20a lead wire of fan motor x25a lead wire of drain pump 294
- Removal of fan rotor and fan motor 295
- Make sure to hold the hub as shown in fig when tightening or loosening the fan fixing nut with a spanner to avoid deformation and vibration of the fan do not apply excessive torque to the shroud the slash part of fig 296
- Note there is no problem to hold the shroud when carrying or lifting the fan 296
- Removal of drain pan 298
- Removal of drain pump 299
- Installation of drain pump 301
- Replacement of heat exchanger thermistor 304
- Be sure not to take out other tie wrap 305
- Thermistor for heating the upper one wrapped with a yellow tape thermistor for liquid pipe the lower one without taping 305
- Replacement of heat exchanger 306
- Insert two thermistors 308
- Air temperature thermistor x19a high tension cable of transformer x11a low tension cable of transformer x10a outdoor unit connection wire x27a fan motor lead wire x20a lead wire of remote controller x5a lead wire of drain pump x25a lead wire of liquid pipe thermistor x18a lead wire of swing motor x36a refer to the item 3 below lead wire of thermistor for heating x17a lead wire of float switch x15a 312
- Replacement of pc board 312
- Then check that it is connected to the connector x19a 313
- Only when install the switch box 314
- Replacement of receiver section of infrared remote control 316
- Tie wrap 316
- Transmission parts box 316
- Hooking piece 317
- Hooking piece 318
- Tie wrap 318
- Fhq35 50 60 71 100 125b 319
- Removal of air filter and suction grille 320
- Removal of electrical parts and pc boards 322
- Removal of horizontal blade 325
- Two shafts provided on types 140 and 160 325
- Removal of fan rotor and fan motor 326
- Removal of fan bearing 329
- Removal of bottom panel and drain pan 331
- Removal of swing motor 333
- Fuq71 100 125b 334
- Removal of air filter 335
- Removal of suction grille 336
- Removal of fan 338
- Removal of fan motor 340
- Removal of drain pan 342
- Removal of drain pump 345
- Removal of swing motor 347
- Removal of air flow control blade 349
- Faq71b 351
- Removal of air filter and front panel 352
- Removal of front grille 354
- Removal of the horizontal blade and vertical blade 355
- Removal of electrical box 357
- Caution 358
- Removal of heat exchanger 358
- Removal of fan motor and fan rotor 359
- Removal of air swing motor 360
- Drain hose piping to the left 361
- Faq100b 362
- Removal of air filter 363
- Removal of slide panel operation display cover and front grille 364
- Removal of electrical parts box 365
- Removal of pc board 366
- Removal of swing louvre unit 367
- Removal of fan motor 369
- Removal of drain pan 370
- Remove the drain pan 371
- Removal of heat exchanger 372
- Removal of fan rotor 373
- Esien05 04 375
- Index i 375
- Symbols 375
- Esien05 04 376
- Ii index 376
- Esien05 04 377
- Index iii 377
- Esien05 04 378
- Iv index 378
- Esien05 04 379
- Index v 379
- B 8400 ostend belgium 381
- Btw be 0412 120 336 381
- Esien05 04 02 2007 prepared in belgium by lannoo copyright daikin 381
- Naamloze vennootschap 381
- Rpr oostende 381
- Www daikin eu 381
- Zandvoordestraat 300 381
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