Compressor Sensor System Abnormality - Daikin 3MKS50E3V1B Service Manual

SiBE121135

7.13 Compressor Sensor System Abnormality

H0
Remote
Controller
Display
Outdoor Unit LED A
Display
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Service Diagnosis
j i i h h
1 2 3 4
Fault condition is identified by the supply voltage and the DC voltage which is detected
before the compressor startup.
Fault condition is identified by the compressor current which is detected right after the
compressor startup.
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 5 minutes without any other error
The detected value of the supply voltage and the DC voltage is obviously low or high.
The compressor current does not run when the compressor is started.
Disconnection of reactor
Disconnection of compressor harness
Defective outdoor unit PCB
Defective compressor
h
5
Troubleshooting for Outdoor Unit
311