Troubleshooting by Indication on the Remote Controller
266
Remote Controller Display
U2
Applicable Models
VRVIII-Q Series
Method of Error Detection
Detection of voltage of main circuit capacitor built in the
inverter PCB and power supply voltage.
Error Decision Conditions
When the voltage aforementioned is not less than 190V.
Supposed Causes
Power supply insufficient
Instantaneous power failure
Open phase
Defective inverter PCB
Defective outdoor control PCB
Defective compressor
Defective main circuit wiring
Defective fan motor
Defective connection of signal cable
Содержание VRVII
Страница 1: ...Pocket Manual Service Diagnosis Si30 701_A...