Troubleshooting
4.22 Output Overcurrent Detection
L5
Error Code
Description
Output Overcurrent Detection
Method of Error
An output overcurrent is detected by checking the current that flows in the inverter DC section.
Detection
A position signal error occurs while the compressor is running.
Error Decision
A rotation speed error occurs while the compressor is running.
Conditions
An output overcurrent is fed from the output overcurrent detection circuit to the
If error repeats, the system is shut down.
Reset condition: Continuous run for about 5 minutes without any other error.
Poor installation condition
Supposed
Closed stop valve
Causes
Defective power module
Wrong internal wiring
Abnormal power supply voltage
Defective outdoor unit PCB
Power supply voltage out of installation
Defective compressor
80
microcomputer.
DAMA-SM-21-003
Service Diagnosis