173
TROUBLESHOOTING
Error
frequency
until error
display
Display
Treatment
Method of diagnosis / repair
Possible major causes Diagnosis / Repair
※1 ※2
1 Error E N 1. Power supply is OFF during operation.
(Power failure, open phase)
2. Outdoor unit signal wire connection
failure during operation (disconnected or
loosened)
3. Communication failure caused by noise
or other effect
4. Outdoor control PCB failure
1. Refer to P198, 1)Check Power Supply
System
2. Check outdoor signal wire
3. Check wiring path
4. Shield signal wire
5. Inspect or replace outdoor control PCB
1ErrorEN
1ErrorEN
1ErrorEN
1ErrorEN
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