Ct Or Related Abnormality - Daikin D-Series Service Manual

Si12-619A
5.21

CT or Related Abnormality

H8
Remote
Controller
Display
Outdoor Unit LED A
Display
Method of A CT or related error is detected by checking the compressor running frequency and CT-
detected input current.
Malfunction
Detection
Malfunction
Decision
Conditions
E series 50-58 class
E series 68-75 class
E series 80-100 class
D series
Supposed
Causes
Service Diagnosis
1 2 3 4
5 4 4 1
The compressor running frequency is below
(The input current is also below
55
55
32
55
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).
Power transistor defective
Internal wiring broken or in poor contact
Reactor defective
Outdoor unit PCB defective
1
Hz and the CT input is below 0.1 V.
A.)
0.5
1.25
1.25
1.25
Troubleshooting
239