Part 6 Service Diagnosis - Daikin FTK25JVE9 Service Manual

Si04-115
1. Caution for Diagnosis............................................................................62
2. Problem Symptoms and Measures .......................................................63
3. Service Check Function ........................................................................64
4. Code Indication on The Remote Controller...........................................65
5. Trouble shooting ...................................................................................66
6. Check ....................................................................................................85
Service Diagnosis
Service Diagnosis Service Diagnosis Service Diagnosis Service Diagnosis
1.1 Troubleshooting with The Operation Lamp ............................................62
3.1 ARC423 Series.......................................................................................64
4.1 Error Codes and Description of Fault .....................................................65
5.1 Faulty PCB .............................................................................................66
5.2 Operation Shutdown Due to High-Pressure Control or
Freeze-Up Protection (Thermistor Activation) ........................................67
5.3 Operation Halt Due to Fan Motor (AC Motor) or
Related Abnormality. ..............................................................................68
5.4 Operation Halt Due to Detection of Thermistor or
Related Abnormality ...............................................................................69
5.5 Faulty Indoor Unit PCB...........................................................................70
5.6 Faulty Indoor Unit PCB...........................................................................71
5.7 Power Supply Abnormalities or Faulty Indoor Printed Circuit Boards ....72
5.8 Signal Transmission Error (Between Indoor and Outdoor Units) ...........73
5.9 Operation Halt Due to Detection of CT Error..........................................74
5.10 Operation Halt Due to Thermistor Error or Disconnection Detection .....75
5.11 Operation Halt Due to Compressor Startup Error ..................................76
5.12 Output Overcurrent.................................................................................77
5.13 Faulty Outdoor Unit PCB........................................................................79
5.14 Faulty Outdoor Unit PCB and Transmitting/Receiving Circuit ................80
5.15 Operation Halt Due to Detection of Input Over Current..........................81
5.16 Interrupt due to OL Action ......................................................................83
6.1 How to Check .........................................................................................85
Part 6 Part 6
Part 6 Part 6
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