Position Sensor Abnormality - Daikin FFQ09Q2VJUFFQ12Q2VJUFFQ15Q2VJUFFQ18Q2VJURX09QMVJURX12QMVJURX15QMVJURX18QMVJU Service Manual

SiUS091628EA

4.24 Position Sensor Abnormality

H6
Error Code
Method of Error A compressor start-up failure is detected by checking the compressor running condition through the
position detection circuit.
Detection
Error Decision
Conditions
Supposed
Causes
Service Diagnosis
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 11 minutes without any other error
Power supply voltage out of specification
Disconnection of the compressor harness
Defective compressor
Defective outdoor unit PCB
Start-up failure caused by the closed stop valve
Input voltage outside the specified range
Troubleshooting
92