SiSG121917E
Troubleshooting for Outdoor Unit
Part 6 Service Diagnosis
160
7.17 CT or Related Abnormality
Error Code
H8
Outdoor Unit LED
Display
A
j
1
i
2
i
3
h
4
h
5
h
Method of Error
Detection
A CT or related error is detected by checking the compressor running frequency and
CT-detected input current.
Error Decision
Conditions
The compressor running frequency is more than
A
Hz and input current is less than
B
A.
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 60 minutes without any other error
Supposed
Causes
Defective power module
Broken or disconnected wiring
Defective reactor
Defective outdoor unit PCB
A
(Hz)
B
(A)
50/65/80 class
32
0.5
90 class
55
0.5
