Position Sensor Abnormality - Daikin 4MXL-T Series Service Manual

SiUS121827E

7.15 Position Sensor Abnormality

H6
Error Code
Outdoor Unit LED A j 1 i 2 i 3 h 4 h 5 h
Display
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 5 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 outside the specified range
Part 6 Service Diagnosis
Troubleshooting for Outdoor Unit
221