Position Sensor Abnormality - Daikin SiENBE07-618_C Service Manual

Troubleshooting

4.17 Position Sensor Abnormality

H6
Remote Control
Display
Method of A compressor start-up failure is detected by checking the compressor running condition through
Malfunction the position detection circuit.
Detection
„ If the error repeats 8 times, the system is shut down.
Malfunction
„ Reset condition: Continuous run for about 5 minutes without any other error
Decision
Conditions
„ Disconnection of the compressor relay cable
Supposed
„ Defective compressor
Causes
„ Defective outdoor unit PCB
„ Start-up failure caused by the closed stop valve
„ Input voltage out of specification
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SiENBE07-618_C
Service Diagnosis