Position Sensor Abnormality - Daikin F-Series Service Manual

SiBE12-712
4.15

Position Sensor Abnormality

H6
Remote
Controller
Display
Method of A compressor startup failure is detected by checking the compressor running condition through
Malfunction the position detection circuit.
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Service Diagnosis
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 will be shut down if the error occurs 16 times.
Compressor relay cable disconnected
Compressor itself defective
Outdoor unit PCB defective
Stop valve closed
Input voltage out of specification
Troubleshooting
219