Position Sensor Abnormality - Daikin 4MXS-R Series Service Manual

Troubleshooting for Outdoor Unit

7.15 Position Sensor Abnormality

H6
Error Code
j
Outdoor Unit LED
A
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
Conditions
Supposed
Causes
199
i i h h
1 2 3 4
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 5 minutes without any other error
Power supply voltage out of specification
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
h
5
SiUS121736EA
Service Diagnosis