AirStage ARXB07LALH, Service Manual

Page: 104 / 207

OK
OK
Judgment from value sensed by current
sensor 1 (current sensor for inverter)
* Current sensor 1 is mounted on
Filter PCB (INV)
"Protection stop by "inverter speed 20rps and sensor value 0A continued
for 1 min"" was generated 2 times
Sensor value while inverter stopped = maximum was detected
1. Filter PCB to Inverter PCB current sensor wiring connector disconnection, open
2. Power supply to Filter PCB to Inverter PC wiring disconnection, open
3. Filter PCB defective (Power supply section, current sensor section)
4. Inverter PCB defective
Check Point 1 : Filter PCB to Inverter PCB
current sensor
wiring connection state
Connector and wiring connection state check
Cable open check
Connector connection state check
Cable open check
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. 84. 1
Error Code : 84
04-40
Current Sensor Error
Check Point 2 : Check the wiring (Power supply to Filter PCB to Inverter PCB)
Trouble shooting 30
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
Check Filter PCB and INV PCB
Refer to the service parts information