Position Sensor Abnormality - Daikin FTX20K(2)V1B Service Manual

Troubleshooting

4.18 Position Sensor Abnormality

H6
Error Code
A compressor start-up failure is detected by checking the compressor running condition through
Method of Error
the position detection circuit.
Detection
 If the error repeats, the system is shut down.
Error Decision
 Reset condition: Continuous run for about 11 minutes without any other error
Conditions
 Power supply voltage is not as specified.
Supposed
 Disconnection of the compressor harness
Causes
 Defective compressor
 Defective outdoor unit PCB
 Start-up failure caused by the closed stop valve
 Input voltage is outside the specified range.
71
SiBE041525F
Service Diagnosis