Daikin SUPER MULTI NX G Series, Руководство по обслуживанию

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SiUS12-928_A Troubleshooting
Service Diagnosis 126
5.18 Compressor Sensor System Abnormality (24/32 Class)
Remote
Controller
Display
H0
Outdoor Unit LED
Display A 5 1 4 2 4 3 1 4 1
Method of
Malfunction
Detection

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 16 times, the system is shut down.

Reset condition: Continuous run for about 5 minutes without any other error
Malfunction
Decision
Conditions

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.
Supposed
Causes

Disconnection of reactor

Disconnection of compressor

Defective outdoor unit PCB

Defective compressor