Daikin J Series Service Manual page 4

2. Operation Manual..................................................................................44
Part 6 Service Diagnosis............................................................. 66
1. Caution for Diagnosis............................................................................67
2. Problem Symptoms and Measures .......................................................68
3. Service Check Function ........................................................................69
4. Troubleshooting ....................................................................................72
5. Check ..................................................................................................107
Part 7 Removal Procedure ........................................................ 114
1. Indoor Unit...........................................................................................115
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2.1 Name of Parts ........................................................................................44
2.2 AUTO · DRY · COOL · HEAT · FAN Operation ......................................48
2.3 Adjusting the Airflow Direction and Rate ................................................50
2.4 COMFORT AIRFLOW Operation ...........................................................52
2.5 INTELLIGENT EYE Operation ...............................................................53
2.6 POWERFUL Operation ..........................................................................55
2.7 OUTDOOR UNIT QUIET Operation.......................................................56
2.8 ECONO Operation .................................................................................57
2.9 OFF TIMER Operation ...........................................................................58
2.10 ON TIMER Operation .............................................................................59
2.11 WEEKLY TIMER Operation ...................................................................60
1.1 Troubleshooting with LED ......................................................................67
4.1 Error Codes and Description ..................................................................72
4.2 Indoor Unit PCB Abnormality .................................................................73
4.3 Freeze-up Protection Control or Heating Peak-cut Control....................74
4.4 Fan Motor (DC Motor) or Related Abnormality.......................................76
4.5 Thermistor or Related Abnormality (Indoor Unit)....................................78
4.6 Front Panel Open / Close Fault..............................................................79
4.7 Signal Transmission Error (between Indoor Unit and Outdoor Unit) ......80
4.8 Unspecified Voltage (between Indoor Unit and Outdoor Unit) ...............81
4.9 Outdoor Unit PCB Abnormality...............................................................82
4.10 OL Activation (Compressor Overload) ...................................................83
4.11 Compressor Lock ...................................................................................84
4.12 DC Fan Lock ..........................................................................................85
4.13 Input Overcurrent Detection ...................................................................86
4.14 Four Way Valve Abnormality..................................................................87
4.15 Discharge Pipe Temperature Control.....................................................89
4.16 High Pressure Control in Cooling ...........................................................90
4.17 Compressor System Sensor Abnormality ..............................................92
4.18 Position Sensor Abnormality ..................................................................93
4.19 DC Voltage / Current Sensor Abnormality..............................................95
4.20 Thermistor or Related Abnormality (Outdoor Unit).................................96
4.21 Electrical Box Temperature Rise............................................................98
4.22 Radiation Fin Temperature Rise ..........................................................100
4.23 Output Overcurrent Detection ..............................................................102
4.24 Refrigerant Shortage ............................................................................104
4.25 Low-voltage Detection or Over-voltage Detection................................106
5.1 How to Check .......................................................................................107
1.1 Removal of Air Filter / Front Panel .......................................................115
SiBE041012
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