Ct Or Related Abnormality - Daikin 2MXS-N Series Service Manual

Troubleshooting for Outdoor Unit

7.16 CT or Related Abnormality

H8
Error Code
Outdoor Unit LED A
Display
Method of Error A CT or related error is detected by checking the compressor running frequency and CT-detected
input current.
Detection
Error Decision
Conditions
18/24 class
36 class
Supposed
Causes
158
j i i h h
1 2 3 4
The compressor running frequency is more than
A (Hz)
32
55
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 60 minutes without any other error
Defective power module
Broken or disconnected wiring
Defective reactor
Defective outdoor unit PCB
h
5
Hz and input current is less than
A
B (A)
0.5
0.5
SiUS121502E
A.
B
Service Diagnosis