AirStage ARXB07LALH, Service Manual

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Inverter Compressor Start UP Error
OK
OK
1. Inverter PCB to inverter compressor wiring disconnection, open
2. Inverter PCB defective
3. Inverter compressor defective (lock, winding short)
Inverter PCB
Inverter Compressor
"Protection stop by "overcurrent generation at inverter compressor starting"
restart" generated consecutively 60 times x 2 sets (total 120 times)
* The shortest time up to error generation is about 100 minutes
* Restart is not performed if an indoor unit in the same refrigerant system is
not turned ON by thermostat.
* After the end of the 1st set, the 2nd set is not started if all the compressors in
the same refrigerant system are not temporarily stopped.
Wiring connection state check
Cable open check
Check Point 3 : Check the Inverter compressor
Inverter compressor check (Refer to Service Parts Information )
Check Point 2 : Check the Inverter PCB
Inverter PCB check (Refer to Service Parts Information )
Check Point 1 : Check the Inverter PCB to inverter compressor connection state
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. 93. 1
Error Code : 93
04-44
Trouble shooting 34
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :