Daikin FTXS30HVJU - CT or Related Abnormality

SiUS04-924 Troubleshooting
Service Diagnosis 93
4.18 CT or Related Abnormality
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 below 32 Hz.
(The input current is also below 0.5 A.)
 If this error repeats 4 times, the system will be shut down.
 The error counter will reset itself if this or any other error does not occur during the following 60-
minute compressor running time (total time).
Supposed
Causes
 Power transistor defective
 Internal wiring broken or in poor contact
 Reactor defective
 Outdoor unit PCB defective