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Troubleshooting for Outdoor Unit
SiUS121827E
208
Part 6 Service Diagnosis
7.8 Compressor Lock
Error Code
E6
Outdoor Unit LED
Display
A
j
1
h
2
i
3
i
4
h
5
h
Method of Error
Detection
A compressor lock is detected by checking the compressor running condition through the position
detection circuit.
Error Decision
Conditions
Judging from the current waveform generated when high-frequency voltage is applied to the
compressor.
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 5 minutes without any other error
Supposed
Causes
Closed stop valve
Defective outdoor unit PCB
Defective compressor
Defective electronic expansion valve