SiBE121021_C Troubleshooting for Outdoor Unit
Service Diagnosis 345
7.10 Position Sensor Abnormality
Remote
Controller
Display
H6
Outdoor Unit LED
Display
A
j
1
i
2
i
3
h
4
h
5
h
Method of
Malfunction
Detection
A compressor startup failure is detected by checking the compressor running condition through
the position detection circuit.
Malfunction
Decision
Conditions
îš„
If the error repeats 8 times, the system is shut down.
îš„
Reset condition: Continuous run for about 5 minutes without any other error
Supposed
Causes
îš„
Disconnection of the compressor relay cable
îš„
Defective compressor
îš„
Defective outdoor unit PCB
îš„
Startup failure caused by the closed stop valve
îš„
Input voltage out of specification
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