Specifications

SiBE04-624_B Troubleshooting
Service Diagnosis 75
2.2 Air conditioner does not run.
Error Code
Error Decision
Conditions
Supposed
Causes

Power supply is OFF.

Improper power supply voltage

Improper connection of wire

Incorrect combination of indoor unit and outdoor unit

Battery shortage of remote controller

Invalid address setting

Protection device works
(dirty air filter, refrigerant shortage, overfilling, mixed air, etc.)

Transmission error between indoor unit and outdoor unit
(Defective outdoor unit PCB)