Troubleshooting
SiBE12-933_A
194
Service Diagnosis
4.15 Position Sensor Abnormality
Remote
Controller
Display
H6
Method of
Malfunction
Detection
A compressor startup failure is detected by checking the compressor running condition through
the position detection circuit.
Malfunction
Decision
Conditions
The compressor is not running in about 15 seconds after the compressor run command
signal is sent.
Clearing condition: Continuous run for about 11 minutes (normal)
The system is shut down if the error occurs 16 times.
Supposed
Causes
Compressor relay cable disconnected
Compressor itself defective
Outdoor unit PCB defective
Stop valve closed
Input voltage out of specification