SiBE12-908
Troubleshooting
Service Diagnosis
114
2.4
When operation starts, safety breaker works.
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Insufficient capacity of safety breaker
Earth leakage breaker is too sensitive
Not exclusive circuit
The supply voltage is not within rated voltage ±10%.
The size of connecting wire is thin (indoor power supply unit)
Air is mixed (over filling)
Damaged outdoor unit PCB (short circuit)