Ct Or Related Abnormality (50 Class) - Daikin FTXS20G2V1B Service Manual

SiENBE04-808_A

4.19 CT or Related Abnormality (50 Class)

H8
Remote Control
Display
Method of A CT or related error is detected by checking the compressor running frequency and CT-
Malfunction detected input current.
Detection
„ The compressor running frequency is more than 55 Hz, and the CT input current is below
Malfunction
Decision
„ If the error repeats 4 times, the system is shut down.
Conditions
„ Reset condition: Continuous run for about 60 minutes without any other error
„ Defective power module
Supposed
„ Breakage of wiring or disconnection
Causes
„ Defective reactor
„ Defective outdoor unit PCB
Service Diagnosis
0.5 A.
Troubleshooting
130