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Si04-115
Trouble shooting
Service Diagnosis
71
5.6
Faulty Indoor Unit PCB
Remote
Controller
Display
∗
Indoor unit LED
Display
Method of
Malfunction
Detection
The condition of the transmission circuit for indoor-outdoor signal transmission is detected.
Malfunction
Decision
Conditions
When the transmission circuit remains ON.
Supposed
Causes
"
Faulty indoor unit PCB
Troubleshooting
"
Replace the indoor unit PCB.