Daikin FTKS20D3VMW, Руководство по обслуживанию, Страница: 280 / 355

SiENBE12-713 Troubleshooting
Service Diagnosis 269
5.24 Output Over Current Detection
Remote Control
Display
L5
Outdoor Unit LED
Display A 5 1 1 2 1 3 4 4 1
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 16 times.
"
Clearing condition: Continuous run for about 5 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