Position Sensor Abnormality - Daikin K-Series Service Manual

SiBE061121.book Page 99 Monday, April 25, 2011 3:21 PM
SiBE061121

4.18 Position Sensor Abnormality

H6
Remote
Controller
Display
Method of A compressor start-up failure is detected by checking the compressor running condition through
the position detection circuit.
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Service Diagnosis
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 11 minutes (50 class: 5 minutes) without any
other error
Disconnection of the compressor relay cable
Defective compressor
Defective outdoor unit PCB
Start-up failure caused by the closed stop valve
Input voltage is out of specification
Troubleshooting
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