Si20-701_B Troubleshooting by Remote Controller
100
3.10
A8
Abnormal Power Supply
Voltage
Remote Controller Display
A8
Applicable Models
FCQ, FBQ, FMDQ-B7
Method of Error Detection
Detect error checking the input voltage of fan motor.
Error Decision Conditions
When the input voltage of fan motor is 150V and below,
or 386V and above.
Supposed Causes
Power supply voltage abnormality
Connection defect on signal line
Wiring defect
Instantaneous blackout, others
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