Position Sensor Abnormality - Daikin FTXS30HVJU Service Manual

SiUS04-924

4.17 Position Sensor Abnormality

H6
Remote
Controller
Display
Method of
A compressor startup failure is detected by checking the compressor running condition through the
Malfunction position detection circuit.
Detection
 The compressor fails to start in about 15 seconds after the compressor run command signal is
Malfunction
Decision
 Clearing condition: Continuous run for about 5 minutes.
Conditions
 The system will be shut down if the error occurs 8 times.
 Compressor relay cable disconnected
Supposed
 Compressor itself defective
Causes
 Outdoor unit PCB defective
 Stop valve closed
 Input voltage out of specification
Service Diagnosis
sent.
Troubleshooting
91