Troubleshooting SiBE041102_A
72 Service Diagnosis
4.16 Position Sensor Abnormality
Remote
Controller
Display
H6
Method of
Malfunction
Detection
A compressor start-up failure is detected by checking the compressor running condition through
the position detection circuit.
Malfunction
Decision
Conditions
The compressor fails to start in about 15 seconds after the compressor run command signal
is sent.
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 11 minutes without any other error
Supposed
Causes
Disconnection of compressor relay harness
Defective compressor
Defective outdoor unit PCB
Start-up failure caused by the closed stop valve
Input voltage is outside the specified range
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