Position Sensor Fault - Daikin E Series Service Manual

SiBE04-624

2.27 Position Sensor Fault

H6
Remote
Controller Display
Outdoor Unit LED A5
Display
Method of Startup failure of the compressor is identified by rpm information of the compressor and by
electric component position detector.
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Service Diagnosis
55 ( - )
When the compressor does not run for 15 sec. after receiving operation start command
The machine shuts down if the fault occurs 16 times
Clear condition: The compressor continuously runs for 10 min. without fault
Detection error due to disconnection of compressor harness
Startup failure due to defective compressor
Startup failure due to defective outdoor unit PCB
Startup failure due to closed stop valve
Input voltage fault
Troubleshooting
177