Specifications

Troubleshooting SiUS12-928_A
131 Service Diagnosis
5.20 CT or Related Abnormality
Remote
Controller
Display
H8
Outdoor Unit LED
Display
A 1 2 3 4
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 more than Hz and input current is below A.
 If the error repeats 4 times, the system is shut down.
 Reset condition: Continuous run for about 60 minutes without any other error
Supposed
Causes
 Defective power transistor
 Breaking of wiring or disconnection
 Defective reactor
 Defective outdoor unit PCB
18 class 24/32 class
(Hz) 55 32
(A) 1.25 0.5