Position Sensor Abnormality - Daikin FTX-N Series Service Manual

SiUS041638EA

4.20 Position Sensor Abnormality

H6
Error Code
Method of Error
A compressor start-up failure is detected by checking the compressor running condition through the
Detection
position detection circuit.
Error Decision
 If the error repeats, the system is shut down.
Conditions  Reset condition: Continuous run for about 11 minutes without any other error
Supposed
 Power supply voltage out of specification
Causes
 Disconnection of the compressor harness
 Defective compressor
 Defective outdoor unit PCB
 Start-up failure caused by the closed stop valve
 Input voltage out of specified range
Service Diagnosis
Troubleshooting
84