Ct Or Related Abnormality - Daikin C-Series Service Manual

Troubleshooting

4.18 CT or Related Abnormality

H8
Remote
Controller
Display
Method of A CT or related error is detected by checking the compressor running frequency and CT-
Malfunction detected input current.
Detection
Malfunction
Decision
Conditions
Supposed
Causes
80
The compressor running frequency is more than
A.
(Hz) (A)
55 0.5
If the error repeats 4 times, the system is shut down.
Reset condition: Continuous run for about 60 minutes without any other error
Defective power module
Breakage of wiring or disconnection
Defective reactor
Defective outdoor unit PCB
Hz, and the CT input current is below
Service Diagnosis
SiBE07-618_C