ESIE15-13C
4.33 Power Supply Voltage Abnormality
U2
Remote
Controller
Display
RZQG
Applicable
Models
The error is detected according to the voltage of main circuit capacitor built in the inverter and
Method of Error
power supply voltage.
Detection
When the voltage of main circuit capacitor built in the inverter and power supply voltage drop or
Error Decision
when the power failure of several tens of ms or more is generated.
Conditions
Drop in power supply voltage
Supposed
Defective outdoor fan motor
Causes
Instantaneous power failure
Defective outdoor unit inverter PCB
Main circuit parts damaged
Service Diagnosis
Troubleshooting by Remote Controller
171