Specifications

SiBE06-708 Troubleshooting
Service Diagnosis 113
4.16.2 50 Class
Remote
Controller
Display
H0
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 compressor current which is detected right after the
compressor startup.
Malfunction
Decision
Conditions

The detected valve of the supply voltage and the DC voltage is obviously low or high.

The compressor current doesn't run when the compressor is started.
Supposed
Causes

Reactor disconnection

Compressor disconnection

Outdoor unit PCB defective

Compressor defective