Troubleshooting for Outdoor Unit
SiUS121632EA
180
Service Diagnosis
7.15 Position Sensor Abnormality
Error Code
H6
Outdoor Unit LED
Display
A
j
1
i
2
i
3
h
4
h
5
h
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 5 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 is outside the specified range.