Daikin Super Multi NX B series User Manual

Si12-308 Troubleshooting
Service Diagnosis 193
5.18 CT or Related Abnormality
Remote
Controller
Display
H8
Outdoor Unit LED
Display
A
5
1
4
2
4
3
1
4
1
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 55 Hz and the CT input is below 0.1 V.
(The input current is also below 1.25 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

Daikin Super Multi NX B series Specifications

General

Brand	Daikin
Model	Super Multi NX B series
Category	Air Conditioner
Language	English