Troubleshooting SiBE041101
107 Service Diagnosis
4.19 CT or Related Abnormality (50 Class)
Remote
Controller
Display
H8
Method of
Malfunction
Detection
A CT or related error is detected by checking the compressor running frequency and CT-
detected input current.
Malfunction
Decision
Conditions
The compressor running frequency is more than 55 Hz, and the CT input current is below
0.5 A.
If the error repeats 4 times, the system is shut down.
Reset condition: Continuous run for about 60 minutes without any other error
Supposed
Causes
Defective power module
Breakage of wiring or disconnection
Defective reactor
Defective outdoor unit PCB
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