Ct Or Related Abnormality - Daikin FTXS30HVJU Service Manual

SiUS04-924

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