Position Sensor Abnormality - Daikin H Series Service Manual

Troubleshooting

4.17 Position Sensor Abnormality

H6
Remote
Controller
Display
Method of
A compressor start-up failure is detected by checking the compressor running condition through the
Malfunction position detection circuit.
Detection
 If the error repeats, the system is shut down.
Malfunction
 Reset condition: Continuous run for about 5 minutes without any other error
Decision
Conditions
 Disconnection of compressor relay harness
Supposed
 Defective compressor
Causes
 Defective outdoor unit PCB
 Start-up failure caused by the closed stop valve
 Input voltage is out of specification
Service Diagnosis
SiUS04-924_A
93