Daikin FTXG35CVMBS Spécifications Page 106

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Si04-402 Troubleshooting
Service Diagnosis 97
4.22 Output Over Current Detection
Remote
Controller
Display
L5
Method of
Malfunction
Detection
An output over-current is detected by checking the current that flows in the inverter DC section.
Malfunction
Decision
Conditions
A position signal error occurs while the compressor is running.
A speed error occurs while the compressor is running.
An output over-current input is fed from the output over-current detection circuit to the
microcomputer.
The system will be shut down if the error occurs 255 times.
Clearing condition: Continuous run for about 10 minutes (normal)
Supposed
Causes
Over-current due to defective power transistor
Over-current due to wrong internal wiring
Over-current due to abnormal supply voltage
Over-current due to defective PCB
Error detection due to defective PCB
Over-current due to closed stop valve
Over-current due to compressor failure
Over-current due to poor installation condition
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