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Daikin RYN60E3V1B [128/300] Error codes and description
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SiBE04-705 Troubleshooting
Service Diagnosis 117
4. Troubleshooting
4.1 Error Codes and Description
+
: Displayed only when system-down occurs.
Code Indication Description
Reference
Page
System
00
Normal
—
U0+
Insufficient gas
150
U2
Low-voltage detection or over-voltage detection
152
U4
Signal transmission error (between indoor and outdoor units)
124
Indoor
Unit
A1
Indoor unit PCB abnormality
118
A5
Freeze-up protection control or high pressure control
119
A6
Fan motor or related abnormality
121
C4
Heat exchanger thermistor abnormality
123
C9
Room temperature thermistor abnormality
123
Outdoor
Unit
E1
Outdoor unit PCB abnormality
126
E5+
OL activation (compressor overload)
127
E6+
Compressor lock
128
E7
DC fan lock
129
E8
Input over current detection
130
EA
Four Way Valve Abnormality
132
F3
Discharge pipe temperature control
134
F6
High Pressure Control in Cooling
135
H0
Sensor abnormality
137
H6
Position sensor abnormality
139
H8
CT or related abnormality
140
H9
Outdoor air thermistor or related abnormality
142
J3
Discharge pipe thermistor or related abnormality
142
J6
Heat exchanger thermistor or related abnormality
142
L3
Electrical box temperature rise
144
L4
Radiation fin temperature rise
146
L5
Output over current detection
148
P4
Radiation fin thermistor or related abnormality
142
U7
Signal transmission error
153
Содержание
- Inverter pair 1
- Sibe04 705 1
- Wall mounted type d series f series 1
- Cooling only indoor units 2
- Heat pump indoor units 2
- Inverter pair d series f series 2
- Outdoor units 2
- Table of contents 2
- Control specification 3 3
- Function of thermistor 1 3
- Introduction v 3
- List of functions 3
- Main functions 6 3
- Part 1 list of functions 3
- Part 2 specifications 3
- Part 3 printed circuit board connector wiring diagram 7 3
- Part 4 function and control 5 3
- Printed circuit board connector wiring diagram 8 3
- Specifications 3
- Caution for diagnosis 14 2 problem symptoms and measures 15 3 service check function 16 4 troubleshooting 17 4
- Check 54 4
- Indoor unit 64 4
- Outdoor unit 13 4
- Part 5 operation manual 9 4
- Part 6 service diagnosis 13 4
- Part 7 removal procedure 63 4
- System configuration 0 2 instruction 1 4
- Drawings flow charts v 5
- Index i 5
- Others 68 5
- Part 8 others 67 5
- Part 9 appendix 71 5
- Piping diagrams 72 5
- Wiring diagrams 76 5
- Cautions regarding safety of workers 6
- Introduction 6
- Safety cautions 6
- Warning 6
- Caution 7
- Warning 7
- Cautions regarding safety of users 8
- Warning 8
- Caution 9
- Warning 9
- Caution 10
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 10
- Used icons 10
- List of functions 12
- Part 1 list of functions 12
- Holding functions no functions 13
- List of functions 13
- List of functions sibe04 705 13
- Holding functions no functions 14
- List of functions 3 14
- Sibe04 705 list of functions 14
- Holding functions no functions 15
- List of functions 15
- List of functions sibe04 705 15
- Holding functions no functions 16
- List of functions 5 16
- Sibe04 705 list of functions 16
- Part 2 specifications 18
- Specifications 18
- Cooling only 19
- Hz 220 230 240v 19
- Specifications 19
- Specifications sibe04 705 19
- Hz 220 230 240v 20
- Sibe04 705 specifications 20
- Specifications 9 20
- Hz 220 230 240v 21
- Specifications 21
- Specifications sibe04 705 21
- Hz 220 230 240v 22
- Sibe04 705 specifications 22
- Specifications 11 22
- Heat pump 23
- Hz 220 230 240v 23
- Specifications 23
- Specifications sibe04 705 23
- Hz 220 230 240v 24
- Sibe04 705 specifications 24
- Specifications 13 24
- Hz 220 230 240v 25
- Specifications 25
- Specifications sibe04 705 25
- Hz 220 230 240v 26
- Sibe04 705 specifications 26
- Specifications 15 26
- Part 3 printed circuit board connector wiring diagram 28
- Printed circuit board connector wiring diagram 8 28
- Ftk x s 50 d 29
- Indoor units 29
- Printed circuit board connector wiring diagram 29
- Pcb 2 signal receiver pcb pcb 3 display pcb 30
- Pcb 4 intelligent eye sensor pcb 30
- Pcb detail pcb 1 control pcb 30
- Printed circuit board connector wiring diagram 19 30
- Sibe04 705 printed circuit board connector wiring diagram 30
- Ftk x s 50 60 71 f ft y n 50 60 f 31
- Pcb 2 signal receiver pcb pcb 3 buzzer pcb 32
- Pcb 4 display pcb pcb 5 intelligent eye sensor pcb 32
- Pcb detail pcb 1 control pcb indoor unit 32
- Printed circuit board connector wiring diagram 21 32
- Sibe04 705 printed circuit board connector wiring diagram 32
- Outdoor units 33
- Pcb 1 main pcb outdoor unit 71 models 34
- Pcb detail pcb 1 main pcb outdoor unit 50 60 models 34
- Printed circuit board connector wiring diagram 23 34
- Sibe04 705 printed circuit board connector wiring diagram 34
- Pcb 2 service monitor pcb 35
- Printed circuit board connector wiring diagram 35
- Printed circuit board connector wiring diagram sibe04 705 35
- Control specification 3 36
- Function of thermistor 1 36
- Main functions 6 36
- Part 4 function and control 36
- Additional control parameters 37
- Drawing of inverter the following drawing shows a schematic view of the inverter principle 37
- Forced cooling operation 37
- Frequency principle 37
- Frequency restrictions 37
- Initial settings 37
- Inverter principle to regulate the capacity a frequency control is needed the inverter makes it possible to vary the rotation speed of the compressor the following table explains the conversion principle 37
- Main control parameters the compressor is frequency controlled during normal operation the target frequency is set by the following 2 parameters coming from the operating indoor unit 37
- Main functions 37
- Note see the list of functions for the functions applicable to different models 37
- The difference between the room temperature and the set temperature 37
- The load condition of the operating indoor unit 37
- The target frequency is adapted by additional parameters in the following cases 37
- Comfortable air conditioning a detailed adjustment is integrated to ensure a fixed room temperature it is possible to air condition with a small room temperature variation 38
- Energy saving heating and cooling once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power 38
- Even during extreme cold weather the high capacity is achieved it is maintained even when the outside temperature is 2 c 38
- For more information refer to forced operation mode on page 38
- Forced cooling operation 38
- Frequency limits the following table shows the functions that define the minimum and maximum frequency 38
- Inverter features the inverter provides the following features 38
- Quick heating and quick cooling the compressor rotational speed is increased when starting the heating or cooling this enables a quick set temperature 38
- The regulating capacity can be changed according to the changes in the outside temperature and cooling heating load 38
- Power airflow dual flaps wide angle louvers and auto swing 39
- Fan speed control for indoor units 40
- In case of inverter units the microcomputer automatically sets the temperature and fan settings the difference between the room temperature at startup and the temperature set by the microcomputer is divided into two zones then the unit operates in the dry mode with an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level 41
- Programme dry function 41
- Programme dry function removes humidity while preventing the room temperature from lowering since the microcomputer controls both the temperature and air flow volume the temperature adjustment and fan adjustment buttons are inoperable in this mode 41
- Zone a thermostat off 41
- Zone b zone b 41
- Zone c thermostat on 41
- Automatic operation 42
- Cooling dry 43
- Function and control 43
- Heating 43
- Main functions sibe04 705 43
- The monitoring time has passed while the temperature difference is in the zone b cooling dry 10 minutes heating 10 seconds 43
- The operation turns on in any zones except a 43
- The system resumes from defrost control in any zones except a 43
- The temperature difference is above the zone c after being in the zone a 43
- The temperature difference is in the zone a 43
- Thermostat control 43
- Thermostat control is based on the difference between the room temperature and the setpoint 43
- Thermostat off condition 43
- Thermostat on condition 43
- Night set mode 44
- Econo mode 45
- A microcomputer in an indoor unit carries out a sampling every 20 msec and if it detects 10 cycles of the wave in one second in total corresponding to 20msec 10 100msec it judges human is in the room as the motion signal is on 46
- Function and control 35 46
- In case of fan mode the fan speed reduces by 50 rpm 46
- Intelligent eye 46
- Processing 1 detection method by intelligent eye 46
- Sibe04 705 main functions 46
- The motions for example in cooling 46
- This is the function that detects existence of humans in the room by a human motion sensor intelligent eye and reduces the capacity when there is no human in the room in order to save electricity 46
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 46
- When a microcomputer doesn t have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit in temperature shifted 2 c from the set temperature cooling dry 2 c higher heating 2 c lower and auto according to the operation mode at that time 46
- Home leave operation 48
- Details of the control when powerful button is pushed in each operation mode the fan speed setting temperature will be converted to the following states in a period of twenty minutes 49
- Ex powerful operation in cooling mode 49
- Ftk x s50 60 71f ft y n50 60f 49
- Inverter powerful operation 49
- Outline in order to exploit the cooling and heating capacity to full extent operate the air conditioner by increasing the indoor fan rotating speed and the compressor frequency 49
- Hot start function 50
- Mold proof air filter prefilter 50
- On off button on indoor unit 50
- Other functions 50
- Self diagnosis digital display 50
- Signal receiving sign 50
- Titanium apatite photocatalytic air purifying filter 50
- Auto restart function 51
- Even if a power failure including one for just a moment occurs during the operation the operation restarts in the condition before power failure automatically when power is restored note it takes 3 minutes to restart the operation because the 3 minute standby function is activated 51
- Function of thermistor 52
- Heat pump model 52
- Cooling only model 53
- Control specification 54
- Detail 1 for heat pump model there are following modes stop cooling includes drying heating include defrosting 54
- For cooling only model there are following models stop and cooling including drying 54
- Function and control 43 54
- Mode hierarchy 54
- Note unless specified otherwise an indoor dry operation command must be regarded as cooling operation 54
- Outline there are two modes the mode selected in user s place normal air conditioning mode and forced operation mode for installation and providing service 54
- Sibe04 705 control specification 54
- Frequency control 55
- D signal 56
- D signal and is used for frequency command 56
- D signal the difference between a room temperature and the temperature set by the remote controller will be taken as the 56
- D value in each sampling time 20 seconds and adjust the frequency according to its difference from the frequency previously calculated 56
- D value is large increase the frequency 56
- D value is small lower the frequency when the 56
- D value obtaining the fixed 56
- D value of the indoor unit and the q value of the indoor unit q value indoor unit output determined from indoor unit volume air flow rate and other factors 56
- D value when the 56
- Determine lower limit frequency 56
- Determine prohibited frequency 56
- Determine upper limit frequency 56
- For limiting lower limit frequency management is carried out only when the frequency rises 56
- Frequency initial setting 56
- Frequency management when other controls are functioning 56
- I control if the operating frequency is not change more than a certain fixed time adjust the frequency up and down according to the 56
- Indoor frequency command 56
- Limit of frequency variation width when the difference between input current and input current drooping value is less than 1 a the frequency increase width must be limited 56
- Outlin 56
- P control calculate 56
- Pi control determine frequency up down by 56
- Set a maximum value as an lower limit frequency among the frequency lower limits of the following functions pressure difference upkeep 56
- Set a minimum value as an upper limit frequency among the frequency upper limits of the following functions compressor protection input current discharge pipes freeze prevention dew prevention fin thermistor temperature 56
- Th off thermostat off 56
- There is a certain prohibited frequency such as a power supply frequency 56
- Upper and lower limit of frequency by pi control the frequency upper and lower limits are set depending on indoor unit when low noise commands come from the indoor unit or when outdoor unit low noise or quiet commands come from indoor unit the upper limit frequency must be lowered than the usual setting 56
- When frequency is drooping frequency management is carried out only when the frequency droops 56
- When starting the compressor or when conditions are varied due to the change of the room the frequency must be initialized according to the total of a maximum 56
- Controls at mode changing start up 57
- Four way valve operation compensation 57
- Four way valve switching 57
- Preheating operation 57
- 3 minutes stand by 58
- Compressor protection function 58
- Detail divide the zone 58
- Discharge pipe temperature control 58
- Management within the zones 58
- Outline the discharge pipe temperature is used as the compressor s internal temperature if the discharge pipe temperature rises above a certain level the operating frequency upper limit is set to keep this temperature from going up further 58
- Prohibit to turn on the compressor for 3 minutes after turning it off except when defrosting only for heat pump model 58
- Reset zone discharge pipe temperature 58
- Stop zone 58
- When turning the compressor from off to on the upper limit of frequency must be set as follows the function must not be used when defrosting only for heat pump model 58
- After 2 s in this zone the compressor is stopped 59
- After this the output frequency is pulled down by 2hz every second until it reaches the steady zone keep zone 59
- Detail 59
- Frequency control in each zone drooping zone 59
- Ftk x s50d and atxs50e only have econo mode 59
- Input current control 59
- Limit of the frequency is cancelled stop zone 59
- Limitation of current drooping and stop value according to the outdoor air temperature 1 in case the operation mode is cooling 59
- Outline the microcomputer calculates the input current during the compressor is running and set the frequency upper limit from such input current in case of heat pump model this control is the upper limit control function of the frequency which takes priority of the lower limit of four way valve activating compensation 59
- The current droops when outdoor air temperature becomes higher than a certain level model by model 59
- The current droops when outdoor air temperature becomes higher than a certain level model by model 2 in case the operation mode is heating only for heat pump model 59
- The maximum limit of the compressor frequency in this control is defined as operation frequency 2hz 59
- The present maximum frequency goes on reset zone 59
- Freeze up protection control 60
- Heating peak cut control 60
- Fan control 61
- Liquid compression protection function 2 61
- Defrost control 62
- Detail conditions for starting defrost the starting conditions must be made with the outdoor air temperature and heat exchanger temperature under the conditions that the system is in heating operation 6 minutes after the compressor is started and more than 44 minutes of accumulated time pass since the start of the operation or ending the defrosting conditions for canceling defrost the judgment must be made with heat exchanger temperature 4 c 12 c 62
- Function and control 51 62
- Outline heat pump only defrosting is carried out by the cooling cycle reverse cycle the defrosting time or outdoor heat exchanger temperature must be more than its fixed value when finishing 62
- Sibe04 705 control specification 62
- Control specification sibe04 705 63
- Detail the followings are the examples of control which function in each mode by the electronic expansion valve control 63
- Electronic expansion valve control 63
- Function and control 63
- Outline the following items are included in the electronic expansion valve control electronic expansion valve is fully closed 1 electronic expansion valve is fully closed when turning on the power 2 pressure equalizing control open control 1 electronic expansion valve control when starting operation 2 control when frequency changed 3 control for defrosting only for heat pump model 4 control when a discharge pipe temperature is abnormally high 5 control when the discharge pipe thermistor is disconnected feedback control 1 discharge pipe temperature control 63
- Disconnection of the discharge pipe thermistor 64
- Fully closing with power on 64
- High temperature of the discharge pipe 64
- Opening limit 64
- Pressure equalization control 64
- Starting operation control 64
- Control when frequency is changed 65
- Target discharge pipe temperature control 65
- Detection of overload and over current 66
- Insufficient gas control 66
- Malfunctions 66
- Sensor malfunction detection 66
- Additional function 67
- Compressor operating frequency is increased to pi max max hz of operating room and outdoor unit airflow rate is increased 67
- Detail forced cooling 67
- Detail judgment by input current when an output frequency is exceeds 55 hz 40hz for 71 class and the input current is less than specified value the adjustment is made for insufficient gas judgment by discharge pipe temperature when discharge pipe temperature is 20 45 c depending on the model or mode higher than target value and the electronic expansion value opening is 480 pulse max the adjustment is made for insufficient gas 67
- Forced operation mode 67
- Outline forced operating mode includes only forced cooling 67
- Power supply voltage is detected each time equipment operation starts 67
- Powerful operation mode 67
- Voltage detection function 67
- Facility setting switch cooling at low outdoor temperature 68
- Part 5 operation manual 70
- System configuration 0 2 instruction 1 70
- System configuration 71
- Caution 72
- Instruction 72
- Safety precautions 72
- Warning 72
- Consider nuisance to your neighbours from noises 73
- Electrical work 73
- Installation site 73
- System relocation 73
- Ftk x s 50 d 74
- Indoor unit 74
- Names of parts 74
- Outdoor unit 75
- Arc433b50 b4 76
- Remote controller 76
- Preparation before operation 77
- To set the batteries 77
- Attention 78
- Choose a place from where the sig nals reach the unit 78
- Fix the holder to a wall a pillar or similar location with the screws procured locally 78
- Place the remote controller in the remote controller holder 78
- Preparation before operation 78
- To fix the remote controller holder on the wall 78
- To operate the remote controller 78
- Be careful not to cool heat the room too much keeping the temperature setting at a moderate level helps save energy cover windows with a blind or a curtain blocking sunlight and air from outdoors increases the cooling heating effect clogged air filters cause inefficient operation and waste energy clean them once in about every two weeks 79
- If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 79
- Mode fan 79
- Operation outside this humidity or temperature range may cause a safety device to disable the system 79
- Please note 79
- Press clock button 79
- Sensor 79
- The air conditioner always consumes 15 35 watts of electricity even while it is not operating 79
- Tips for saving energy 79
- To set the clock 79
- Turn the breaker on 79
- Turning on the breaker opens the flap then closes it again this is a normal procedure 79
- Use the air conditioner in the following conditions 79
- Auto dry cool heat fan operation 80
- To change the temperature setting 80
- To start operation 80
- To stop operation 80
- Press fan setting button 81
- To change the air flow rate setting 81
- Adjusting the air flow direction 82
- To adjust the horizontal blades flaps 82
- To adjust the vertical blades louvers 82
- Always use a remote controller to adjust the flaps angle if you attempt to move it forcibly with hand when it is swinging the mechanism may be broken 83
- Cool dry the flap will go up heat the flap will go down 83
- In dry mode or cool mode 83
- In fan mode 83
- In heat mode 83
- Notes on comfort airflow operation 83
- Notes on flaps and louvers angles 83
- Press comfort airflow button 83
- Press comfort airflow button again 83
- To cancel comfort airflow operation 83
- To start comfort airflow operation 83
- Powerful operation 84
- To cancel powerful operation 84
- To start powerful operation 84
- Outdoor unit quiet operation 85
- To cancel outdoor unit quiet operation 85
- To start outdoor unit quiet operation 85
- Econo operation 86
- To cancel econo opera tion 86
- To start econo operation 86
- Intelligent eye operation 87
- To cancel the intelligent eye operation 87
- To start intelligent eye operation 87
- Caution 88
- Intelligent eye is useful for energy saving 88
- Intelligent eye operation 88
- Notes on intelligent eye 88
- Timer operation 89
- To cancel the off timer operation 89
- To use off timer operation 89
- Attention 90
- Timer operation 90
- To cancel on timer operation 90
- To combine on timer and off timer 90
- To use on timer operation 90
- Care and cleaning 91
- Caution 91
- Front panel 91
- Indoor unit outdoor unit and remote controller 91
- Air filter 92
- Filters 92
- Maintenance 92
- Replacement 92
- Titanium apatite photocatalytic air purifying filte 92
- After operation stops turn off the breaker for the room air conditioner 93
- Before a long idle period 93
- Clean the air filters and set them again 93
- Operate the fan only for several hours on a fine day to dry out the inside 93
- Take out batteries from the remote controller 93
- Case explanation 94
- These cases are not troubles 94
- Trouble shooting 94
- Troubleshooting 94
- Case check 95
- Check again 95
- Call the service shop immediately 96
- Disposal requirements 96
- Important information regarding the refrigerant used 96
- The power cord is abnormally hot or damaged an abnormal sound is heard during operation the safety breaker a fuse or the earth leakage breaker cuts off the operation frequently a switch or a button often fails to work properly there is a burning smell water leaks from the indoor unit 96
- Turn the breaker off and call the service shop 96
- Warning 96
- We recommend periodical maintenance 96
- Fault diagnosis 97
- Instruction sibe04 705 97
- Operation manual 97
- The code indication changes as shown below and notifies with a long beep 97
- Ftk x s 50 60 71 f ft y 50 60 f 98
- Indoor unit 98
- Names of parts 98
- 60 class 71 class 99
- Outdoor unit 99
- Arc433b70 7 100
- Remote controller 100
- Preparation before operation 101
- To set the batteries 101
- Attention 102
- Choose a place from where the signals reach the unit 102
- Place the remote controller in the remote controller holder 102
- Preparation before operation 102
- To fix the remote controller holder on the wall 102
- To operate the remote controller 102
- Be careful not to cool heat the room too much keeping the temperature setting at a moderate level helps save energy 103
- Clogged air filters cause inefficient operation and waste energy clean them once in about every two weeks 103
- Cover windows with a blind or a curtain blocking sunlight and air from outdoors increases the cooling heating effect 103
- If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 103
- Operation outside this humidity or temperature range may cause a safety device to disable the system 103
- Please note 103
- Press clock button 103
- The air conditioner always consumes 15 35 watts of electricity even while it is not operating 103
- Tips for saving energy 103
- To set the clock 103
- Turn the breaker on 103
- Use the air conditioner in the following conditions 103
- Auto dry cool heat fan operation 104
- To change the temperature setting 104
- To start operation 104
- To stop operation 104
- Press fan setting button 105
- To change the air flow rate setting 105
- Adjusting the air flow direction 106
- To adjust the horizontal blade flap 106
- To adjust the vertical blades louvers 106
- Notes on flap angle 107
- Notes on louvers angles 107
- Press either the swing button or the swing button 107
- Press the swing button and the swing button the and display will light up and the flap and louvers will move in turn 107
- To 3 d airflow 107
- To cancel 3 d airflow 107
- Powerful operation 108
- To cancel powerful operation 108
- To start powerful operation 108
- Outdoor unit quiet operation 109
- To cancel outdoor unit quiet operation 109
- To start outdoor unit quiet operation 109
- Before using home leave operation 110
- Home leave operation 110
- To cancel home leave operation 110
- To start home leave operation 110
- Use as a favorite mode 111
- Use as an energy saving mode 111
- Useful in these cases 111
- What s the home leave operation 111
- Intelligent eye operation 112
- To cancel the intelligent eye operation 112
- To start intelligent eye operation 112
- Caution 113
- Intelligent eye is useful for energy saving 113
- Notes on intelligent eye 113
- Timer operation 114
- To cancel the off timer operation 114
- To use off timer operation 114
- Attention 115
- Press cancel button 115
- Press on timer button 115
- Press on timer button again 115
- Press timer setting button until the time setting reaches the point you like 115
- To cancel on timer operation 115
- To combine on timer and off timer 115
- To use on timer operation 115
- Care and cleaning 116
- Caution 116
- Front panel 116
- Indoor unit outdoor unit and remote controller 116
- After washing shake off remaining water and dry in the shade 4 117
- Air filter 117
- Clean or replace each filter 117
- Filters 117
- If it is very dirty soak it for 10 to 15 minutes in water mixed with a neutral cleaning agent 117
- Maintenance 117
- Open the front panel page 24 2 pull out the air filters 117
- Remove dust with a vacuum cleaner and wash lightly with water 2 117
- Remove the tabs on the filter frame and replace with a new filter 117
- Replacement 117
- Set the air filter and the titanium apatite photocatalytic air purifying filter as they were and close the front panel 117
- Take off the titanium apatite photocatalytic air purifying filter 117
- Titanium apatite photocatalytic air purifying filter 117
- Wash the air filters with water or clean them with vacuum cleaner 117
- After operation stops turn off the breaker for the room air conditioner 118
- Before a long idle period 118
- Clean the air filters and set them again 118
- Dispose of old filters as non flammable waste 118
- Operate the fan only for several hours on a fine day to dry out the inside 118
- Press mode button and select fan operation 118
- Press on off button and start operation 118
- Take out batteries from the remote controller 118
- Titanium apatite photocatalytic air purifying filter without frame 1 set 118
- To order titanium apatite photocatalytic air purifying filter contact to the service shop there you bought the air conditioner 118
- Case explanation 119
- These cases are not troubles 119
- Trouble shooting 119
- Troubleshooting 119
- Case check 120
- Check again 120
- Call the service shop immediately 121
- Disposal requirements 121
- Important information regarding the refrigerant used 121
- The power cord is abnormally hot or damaged an abnormal sound is heard during operation the safety breaker a fuse or the earth leakage breaker cuts off the operation frequently a switch or a button often fails to work properly there is a burning smell water leaks from the indoor unit 121
- Turn the breaker off and call the service shop 121
- Warning 121
- We recommend periodical maintenance 121
- Fault diagnosis 122
- Operation manual 111 122
- Sibe04 705 instruction 122
- The code indication changes as shown below and notifies with a long beep 122
- Caution for diagnosis 14 2 problem symptoms and measures 15 3 service check function 16 4 troubleshooting 17 124
- Check 54 124
- Part 6 service diagnosis 124
- Caution for diagnosis 125
- Problem symptoms and measures 126
- In the arc433b series remote controller the temperature display sections on the main unit indicate corresponding codes 1 when the timer cancel button is held down for 5 seconds a 127
- Indication flashes on the temperature display section 127
- Note 1 a short beep and two consecutive beeps indicate non corresponding codes 2 to cancel the code display hold the timer cancel button down for 5 seconds the code display also cancels itself if the button is not pressed for 1 minute 127
- Press the timer cancel button repeatedly until a continuous beep is produced 127
- Service check function 127
- Displayed only when system down occurs 128
- Error codes and description 128
- Troubleshooting 128
- Indoor unit pcb abnormality 129
- Freeze up protection control or high pressure control 130
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 131
- Check no 6 refer to p 56 131
- Service diagnosis 131
- Troubleshooting 131
- Troubleshooting sibe04 705 131
- Fan motor dc motor or related abnormality 132
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 133
- Check no 1 refer to p 54 133
- Service diagnosis 133
- Troubleshooting 133
- Troubleshooting sibe04 705 133
- Thermistor or related abnormality indoor unit 134
- Signal transmission error between indoor and outdoor unit 135
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 136
- Check no 0 refer to p 59 136
- Service diagnosis 125 136
- Sibe04 705 troubleshooting 136
- Troubleshooting 136
- Outdoor unit pcb abnormality 137
- A compressor overload is detected through compressor ol 138
- Check no 1 refer to p 59 138
- Check no 4 refer to p 54 138
- Check no 5 refer to p 55 138
- Check no 6 refer to p 56 138
- Electronic expansion valve defective 138
- Four way valve malfunctioning 138
- If the compressor ol is activated twice the system will be shut down 138
- Malfunction decision conditions 138
- Method of malfunction detection 138
- Ol activation compressor overload 138
- Outdoor unit pcb defective 138
- Refrigerant shortage 138
- Remote controller display 138
- Service diagnosis 127 138
- Sibe04 705 troubleshooting 138
- Stop valve defective 138
- Supposed causes 138
- The error counter will reset itself if this or any other error does not occur during the following 60 minute compressor running time total time 138
- The operating temperature condition is not specified 138
- Troubleshooting 138
- Water mixed in the local piping 138
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 139
- Clearing condition continuous run for about 5 minutes normal 139
- Compressor lock 139
- Compressor locked 139
- Judging from current waveform generated when high frequency voltage is applied to the compressor 139
- Malfunction decision conditions 139
- Method of malfunction detection 139
- Remote controller display 139
- Service diagnosis 139
- Supposed causes 139
- The system will be shut down if the error occurs 16 times 139
- Troubleshooting 139
- Troubleshooting sibe04 705 139
- Dc fan lock 140
- Input over current detection 141
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 142
- Check no 4 refer to p 61 142
- Check no 7 refer to p 57 142
- Check no 8 refer to p 58 142
- Service diagnosis 131 142
- Sibe04 705 troubleshooting 142
- Troubleshooting 142
- Four way valve abnormality 143
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 144
- Check no 1 refer to p 59 144
- Check no 5 refer to p 55 144
- Check no 6 refer to p 56 144
- Service diagnosis 133 144
- Sibe04 705 troubleshooting 144
- Troubleshooting 144
- 60 class 71 class 110 120 145
- Check no 1 refer to p 59 145
- Check no 4 refer to p 54 145
- Check no 6 refer to p 56 145
- Discharge pipe temperature control 145
- Discharge pipe thermistor defective heat exchanger or outdoor temperature thermistor defective 145
- Electronic expansion valve defective 145
- Four way valve malfunctioning 145
- If a stop takes place 6 times successively due to abnormal discharge pipe temperature the system will be shut down 145
- If the temperature being detected by the discharge pipe thermistor rises above c the compressor will stop the error is cleared when the temperature has dropped below c 145
- Malfunction decision conditions 145
- Method of malfunction detection 145
- Outdoor unit pcb defective 145
- Refrigerant shortage 145
- Remote controller display 145
- Service diagnosis 145
- Stop valve defective 145
- Supposed causes 145
- The discharge pipe temperature control stop frequency drooping etc is checked with the temperature being detected by the discharge pipe thermistor 145
- The error counter will reset itself if this or any other error does not occur during the following 60 minute compressor running time total time 145
- Troubleshooting 145
- Troubleshooting sibe04 705 145
- Water mixed in the local piping 145
- High pressure control in cooling 146
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 147
- Check no 4 refer to p 54 147
- Check no 6 refer to p 56 147
- Check no 7 refer to p 57 147
- Check no 9 refer to p 58 147
- Service diagnosis 147
- Troubleshooting 147
- Troubleshooting sibe04 705 147
- Compressor sensor system abnormality 148
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 149
- Service diagnosis 149
- Troubleshooting 149
- Troubleshooting sibe04 705 149
- A compressor startup failure is detected by checking the compressor running condition through the position detection circuit 150
- Check no 3 refer to p 60 150
- Clearing condition continuous run for about 5 minutes normal 150
- Compressor itself defective 150
- Compressor relay cable disconnected 150
- Input voltage out of specification 150
- Malfunction decision conditions 150
- Method of malfunction detection 150
- Outdoor unit pcb defective 150
- Position sensor abnormality 150
- Remote controller display 150
- Service diagnosis 139 150
- Sibe04 705 troubleshooting 150
- Stop valve closed 150
- Supposed causes 150
- The compressor fails to start in about 15 seconds after the compressor run command signal is sent 150
- The system will be shut down if the error occurs 8 times 150
- Troubleshooting 150
- Ct or related abnormality 151
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 152
- Check no 2 refer to p 60 152
- Service diagnosis 141 152
- Sibe04 705 troubleshooting 152
- Troubleshooting 152
- P4 j3 j6 h9 153
- Thermistor or related abnormality outdoor unit 153
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 154
- Check no 6 refer to p 56 154
- Discharge pipe thermistor 154
- Outdoor air thermistor 154
- Outdoor heat exchanger thermistor 154
- Radiation fin thermistor 154
- Service diagnosis 143 154
- Sibe04 705 troubleshooting 154
- Troubleshooting 154
- Electrical box temperature rise 155
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 156
- Check no 6 refer to p 56 156
- Check no 7 refer to p 57 156
- Check no 9 refer to p 58 156
- Service diagnosis 145 156
- Sibe04 705 troubleshooting 156
- Troubleshooting 156
- Radiation fin temperature rise 157
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 158
- Check no 6 refer to p 56 158
- Check no 7 refer to p 57 158
- Check no 9 refer to p 58 158
- Service diagnosis 147 158
- Sibe04 705 troubleshooting 158
- Troubleshooting 158
- Output over current detection 159
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 160
- Check no 3 refer to p 60 160
- Check no 7 refer to p 57 160
- Check no 8 refer to p 58 160
- Service diagnosis 149 160
- Sibe04 705 troubleshooting 160
- Troubleshooting 160
- Insufficient gas 161
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 162
- Check no 4 refer to p 54 162
- Check no 6 refer to p 56 162
- Service diagnosis 151 162
- Sibe04 705 troubleshooting 162
- Troubleshooting 162
- An abnormal voltage rise or drop is detected by checking the detection circuit or dc voltage detection circuit 163
- An over voltage signal is fed from the over voltage detection circuit to the microcomputer or the voltage being detected by the dc voltage detection circuit is judged to be below 150 v for 0 second 163
- Clearing condition continuous run for about 60 minutes normal 163
- Low voltage detection or over voltage detection 163
- Malfunction decision conditions 163
- Method of malfunction detection 163
- Over voltage detector or dc voltage detection circuit defective 163
- Pam control part s defective 163
- Remote controller display 163
- Service diagnosis 163
- Short circuit inside the fan motor winding 163
- Supply voltage not as specified 163
- Supposed causes 163
- The system will be shut down if the error occurs 16 times 163
- Troubleshooting 163
- Troubleshooting sibe04 705 163
- Signal transmission error on outdoor unit pcb 164
- Electronic expansion valve check 165
- Fan motor connector output check 165
- How to check 165
- Check no 5 166
- Four way valve performance check 166
- Service diagnosis 155 166
- Sibe04 705 check 166
- Check no 6 remove the connectors of the thermistors on the pcb and measure the resistance of each thermistor using tester the relationship between normal temperature and resistance is shown in the graph and the table below 167
- Thermistor resistance check 167
- Check no 7 168
- Installation condition check 168
- Service diagnosis 157 168
- Sibe04 705 check 168
- Check no 8 169
- Check no 9 169
- Check sibe04 705 169
- Discharge pressure check 169
- Outdoor unit fan system check with dc motor 169
- Service diagnosis 169
- Check no 0 measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance 170
- Check no 1 170
- Check to see if the power supply waveform is a sine wave fig 170
- Check to see if there is waveform disturbance near the zero cross sections circled in fig 170
- Fig fig 170
- Inverter units refrigerant system check 170
- Power supply waveforms check 170
- Service diagnosis 159 170
- Sibe04 705 check 170
- Capacitor voltage check 171
- Check no 2 before this checking be sure to check the main circuit for short circuit 171
- Check no 3 171
- Checking the capacitor voltage 171
- Checking the power transistor 171
- For the uvw make measurements at the faston terminal on the board or the relay connector 171
- If unavoidably necessary to touch a live part make sure the power transistor s supply voltage is below 50 v using the tester 171
- Never touch any live parts for at least 10 minutes after turning off the circuit breaker 171
- Power transistor check 171
- With the circuit breaker still on measure the voltage according to the drawing of the model in question be careful never to touch any live parts 171
- Main circuit electrolytic capacitor check 172
- Turning speed pulse input on the outdoor unit pcb check 172
- Indoor unit 64 174
- Outdoor unit 13 174
- Part 7 removal procedure 174
- Ftk x s 50 d 175
- Indoor unit 175
- Removal of air filter 175
- Removal of front panel 177
- Remove the front panel caution on mounting 178
- When mounting the front panel fit the right and left rotary shafts one by one into the grooves and fully push them in position 178
- Removal of front grille 179
- Removal of horizontal blades and vertical blades 182
- Remove the horizontal blade small while bending the fixed part at the center slightly 183
- Removing the horizontal blade small 183
- Unfasten the key type fixing shaft at the right side 183
- Unfasten the left side 183
- Removal of electrical box 185
- Removal of pcb 188
- Removal of drain pan unit 194
- Removal of fan motor 198
- Remove the fan motor 199
- Unfasten the hook a of the fan motor fixing plate with your thumb 199
- Unfasten the hook c 199
- Removal of heat exchanger 200
- Removal of fan rotor 203
- Ftk x s 50 60 71 f ft y n 50 60 f 206
- Removal of air filter front panel 206
- Removal of front grille 209
- Removal of horizontal blades vertical blades 211
- Removal of electrical box pcb swing motor 213
- Removal of heat exchanger 219
- Removal of fan rotor fan motor 222
- Outdoor unit 224
- Removal of the panels and plates 224
- Rk x s 50 60 f r y n 50 60 e 224
- Removal of the fan motor propeller fan 228
- Pull the fan motor out 231
- Put the lead wire through the back of the motor when reassembling so as not to be entangled with the propeller fan 231
- Removal of the electrical box 232
- Lift the electrical box and remove it 235
- Release the clamp and undo the wire from the hook 235
- Removal of the pcb 236
- Lift up and remove the pcb 238
- Loosen the 3 fixing screws for the main pcb 238
- Undo the 4 hooks 238
- Removal of the sound blanket 239
- Removal of the four way valve 241
- Removal of the electronic expansion valve 242
- Removal of the compressor 244
- Removal of outer panels 247
- Rk x s 71 f 247
- Lift the top panel and remove it 249
- Remove the 2 screws on the front and 1 screw on the right side panel 249
- Remove the 5 screws 249
- Removing the right side panel 249
- Slide the panel downward to undo 2 hooks on the back side 250
- Remove the 2 screws 251
- Remove the right side panel 251
- Removing the front panel 2 251
- Remove the front panel 2 252
- Slide the panel downward to undo the hook 252
- Next slide the grille downward to undo the 2 hooks at the top 254
- Remove the discharge grille 254
- Remove the propeller fan fixing nut fan fixing nut m8 254
- Remove the 2 fixing screws on the partition plate 255
- Remove the screw at bottom left of the front 255
- Remove the screw at bottom of the left side 255
- Remove the screw at bottom of the back side 256
- The front panel 1 is provided with a hook on its front lift the front panel off position to remove it 256
- Remove the 3 screws 258
- Remove the wire fixing plate 258
- Slide the panel leftward to undo the hook and remove the partition plate 258
- Remove the 3 fixing screws on the partition plate 259
- The holder is secured in the clearances of the heat exchanger fins 259
- Undo the holder of the thermistor 259
- Lift the panel upward to undo the 2 hooks and remove it 260
- Remove the fixing screw from the bottom frame 260
- Remove the fixing screw from the shut off valve mounting plate 260
- Remove the rear panel 261
- Removal of the electrical box 262
- Removal of the pcb 266
- Lift up and remove the pcb 268
- Loosen the 3 fixing screws for the main pcb 268
- Undo the 4 hooks 268
- Removal of fan motor 269
- Removal of coils thermistors 270
- Remove the discharge pipe thermistor 271
- Remove the sound blanket top upper 271
- Slightly open the sound blanket 271
- Remove the fixture 272
- Remove the four way valve coil 272
- Remove the screw 272
- Removing the four way valve coil and motorized valve coil 272
- Removal of sound blanket 273
- Remove the sound blanket outer sleeve 275
- Procedure warning be sure to wait 10 minutes or more after turning off all power supplies before disassembling work 276
- Pull out the 3 leads using long nose pliers 276
- Removal of compressor 276
- Remove the 3 screws 276
- Remove the ol 276
- Remove the terminal cover 276
- U red v yellow w blue 276
- Others 68 278
- Part 8 others 278
- Others 279
- Test run from the remote controller 279
- Control pcb of the indoor unit 1 remove the front grille 3 screws 2 remove the electrical box 1 screw 3 remove the drip proof plate 4 tabs 4 cut the address jumper ja on the control pcb 280
- How to set the different addresses 280
- Jumper setting 280
- Jumper settings 280
- When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses 280
- When two units are installed in one room 280
- Wireless remote controller 1 slide the front cover and take it off 2 cut the address jumper j4 280
- Part 9 appendix 282
- Piping diagrams 72 282
- Wiring diagrams 76 282
- Cooling only 283
- Ftks50d2v1w l ftks50fv1b ftks60fv1b ftn50fv1b ftn60fv1b 283
- Ftks71fv1b 283
- Indoor units 283
- Piping diagrams 283
- Appendix 273 284
- Ftxs50d2v1w l ftxs50fv1b ftxs60fv1b ftyn50fv1b ftyn60fv1b 284
- Ftxs71fv1b 284
- Heat pump 284
- Sibe04 705 piping diagrams 284
- Appendix 285
- Cooling only 285
- Outdoor units 285
- Piping diagrams sibe04 705 285
- Rks50f2v1b rks60f2v1b rn50e3v1b rn60e3v1b 285
- Rks71fv1b 285
- Appendix 275 286
- Heat pump 286
- Rxs50f2v1b rxs60f2v1b ryn50e3v1b ryn60e3v1b 286
- Rxs71fv1b 286
- Sibe04 705 piping diagrams 286
- Appendix 287
- Ftks50d2v1w l ftxs50d2v1w l 287
- Ftks50fv1b ftks60fv1b ftks71fv1b ftxs50fv1b ftxs60fv1b ftxs71fv1b 287
- Indoor units 287
- Wiring diagrams 287
- Wiring diagrams sibe04 705 287
- Appendix 277 288
- D038532f 288
- Ftn50fv1b ftn60fv1b ftyn50fv1b ftyn60fv1b 288
- Sibe04 705 wiring diagrams 288
- Appendix 289
- Cooling only 289
- Outdoor units 289
- Rks50f2v1b 289
- Rks60f2v1b rn50e3v1b rn60e3v1b 289
- Wiring diagrams sibe04 705 289
- Appendix 279 290
- D053930b 290
- Rks71fv1b 290
- Sibe04 705 wiring diagrams 290
- Appendix 291
- Heat pump 291
- Rxs50f2v1b 291
- Rxs60f2v1b ryn50e3v1b ryn60e3v1b 291
- Wiring diagrams sibe04 705 291
- Appendix 281 292
- D053931b 292
- Rxs71fv1b 292
- Sibe04 705 wiring diagrams 292
- Numerics 294
- Drawings flow charts 298
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