Troubleshooting SiUS041829E
100 Part 6 Service Diagnosis
4.20 Position Sensor Abnormality
Error Code H6
Method of Error
Detection
A compressor start-up failure is detected by checking the compressor running condition through the
position detection circuit.
Error Decision
Conditions
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 11 minutes without any other error
Supposed
Causes
Power supply voltage out of specification
Disconnection of the compressor harness
Defective compressor
Defective outdoor unit PCB
Start-up failure caused by the closed stop valve
Input voltage outside the specified range
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