Troubleshooting by Error Code SiAF332111E
286 Part 6 Service Diagnosis
5.50 Power Supply Voltage Imbalance
Applicable
Models
RXMQ8-12AR
Error Code P1
Method of Error
Detection
Detect voltage imbalance through inverter PCB.
Error Decision
Conditions
Power supply voltage imbalance exceeds certain value.
RXMQ8AR: approximately 12 V
RXMQ10/12AR: approximately 6 V
Error is not decided while the unit operation is continued.
P1 will be displayed by pressing the inspection button.
Supposed
Causes
Open phase
Interphase voltage imbalance
Defective capacitor in the main circuit
Defective inverter PCB
Defective wiring in the main circuit
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