Daikin FAQ71CVEB Service Manual

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

Daikin FAQ71CVEB Specifications

General

Brand	Daikin
Model	FAQ71CVEB
Category	Air Conditioner
Language	English