AirStage ARXB07LALH, Service Manual

Page: 92 / 207

Inverter Error
YES
NO
OK
Check Point 1-2 : Noise, momentary open, voltage drop
Inverter PCB Error information received from Inverter PCB
1. Noise, momentary open, voltage drop. 2. Power supply to Filter PCB (INV) to Inverter PCB
wiring disconnection, open 3. Filter PCB ( INV) defective 4. Inverter PCB defective
Check if temporary voltage drop was not generated.
Check if momentary open was not generated.
Check if ground is connection correctly or there are no related cables near the
power line.
Check Point 2 : Check the wiring (Power supply to Filter PCB (INV) to Inverter PCB)
Connector and wiring connection state check
Cable open check
Check Filter PCB (INV) and Inverter PCB.
Check Point 1-1 : Turn the power
on again.
Error displayed again?
Check Point 3 : Check Filter PCB (INV) and Inverter PCB
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. 63. 1
Error Code : 63
04-28
Trouble shooting 18
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
Filter PCB