Compressor Sensor System Abnormality - Daikin Super multi NX E Series Service Manual

SiBE121135_A

7.13 Compressor Sensor System Abnormality

H0
Error Code
Outdoor Unit LED A
∗ LED5 is equipped only on the 5-room model.
Display
Method of Error
Detection
Error Decision
Conditions
Supposed
Causes
Service Diagnosis
j i i h h
1 2 3 4
Fault condition is identified by the power 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 power 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
216