Part 6 Service Diagnosis - Daikin ARXG35E3V1B Service Manual

SiBE04-809
1. Caution for Diagnosis............................................................................72
2. Problem Symptoms and Measures .......................................................73
3. Service Check Function ........................................................................74
4. Troubleshooting ....................................................................................77
5. Check ..................................................................................................116
Service Diagnosis
Service Diagnosis
4.1 Error Codes and Description ..................................................................77
4.2 Indoor Unit PCB Abnormality .................................................................78
4.3 Freeze-up Protection Control or High Pressure Control.........................79
4.4 Fan Motor (DC Motor) or Related Abnormality.......................................81
4.5 Thermistor or Related Abnormality (Indoor Unit)....................................83
4.6 Front Panel Open / Close Fault..............................................................84
4.7 Signal Transmission Error (between Indoor and Outdoor Unit) .............85
4.8 Signal Transmission Error
(between Indoor Unit and Wired Remote Controller) .............................86
4.9 Unspecified Voltage (between Indoor and Outdoor Units) .....................87
4.10 Outdoor Unit PCB Abnormality...............................................................88
4.11 OL Activation (Compressor Overload) ...................................................89
4.12 Compressor Lock ...................................................................................90
4.13 DC Fan Lock ..........................................................................................91
4.14 Input Over Current Detection .................................................................92
4.15 Four Way Valve Abnormality..................................................................93
4.16 Discharge Pipe Temperature Control.....................................................95
4.17 High Pressure Control in Cooling ...........................................................97
4.18 Compressor System Sensor Abnormality ..............................................99
4.19 Position Sensor Abnormality ................................................................100
4.20 DC Voltage / Current Sensor Abnormality............................................102
4.21 Thermistor or Related Abnormality (Outdoor Unit)...............................103
4.22 Electrical Box Temperature Rise..........................................................105
4.23 Radiation Fin Temperature Rise ..........................................................107
4.24 Output Over Current Detection.............................................................109
4.25 Insufficient Gas.....................................................................................111
4.26 Low-voltage Detection or Over-voltage Detection................................113
4.27 Signal Transmission Error on Outdoor Unit PCB .................................115
5.1 How to Check .......................................................................................116
Part 6
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