Part 6 Service Diagnosis - Daikin FTKS20CVMB Service Manual

SiBE04-401
1. Caution for Diagnosis............................................................................90
2. Problem Symptoms and Measures .......................................................91
3. Service Check Function ........................................................................92
4. Troubleshooting ....................................................................................95
5. Check ..................................................................................................124
Service Diagnosis
Service Diagnosis Service Diagnosis Service Diagnosis Service Diagnosis
4.1 Error Codes and Description ..................................................................95
4.2 Indoor Unit PCB Abnormality .................................................................96
4.3 Freeze-up Protection Control or High Pressure Control.........................97
4.4 Fan Motor (AC Motor) or Related Abnormality.......................................99
4.5 Thermistor or Related Abnormality (Indoor Unit)..................................100
4.6 Signal Transmission Error (between Indoor and Outdoor Unit) ...........101
4.7 OL Activation (Compressor Overload) .................................................102
4.8 Compressor Lock .................................................................................103
4.9 DC Fan Lock ........................................................................................104
4.10 Input Over Current Detection ...............................................................105
4.11 Four Way Valve Abnormality................................................................106
4.12 Discharge Pipe Temperature Control...................................................108
4.13 High Pressure Control in Cooling .........................................................109
4.14 Position Sensor Abnormality ................................................................111
4.15 DC Voltage / Current Sensor Abnormality............................................112
4.16 Thermistor or Related Abnormality (Outdoor Unit)...............................113
4.17 Electrical Box Temperature Rise..........................................................115
4.18 Radiation Fin Temperature Rise ..........................................................117
4.19 Output Over Current Detection.............................................................119
4.20 Insufficient Gas.....................................................................................121
4.21 Over-voltage Detection.........................................................................123
5.1 How to Check .......................................................................................124
Part 6 Part 6
Part 6 Part 6
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