Aurora Service Manual

Troubleshooting for Outdoor Unit SiUS121737EA
199 Service Diagnosis
7.16 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)
55 0.5