Indoor unit Controller PCB circuit
OK
Detect the communication error of microcomputer and communication PCB.
Check Point 2 : Replace the communication PCB
OK
2. Indoor unit controller PCB defective1.Communication PCB defective
Check Point 1 : Check the connection of terminal
Indoor unit - Check the connection the communication PCB and the controller PCB
After turning off the power supply, check & correct the followings
If the Check point 1 is ok, replace the communication PCB
Check Point 3 : Replace the controller PCB
If condition is doesn’t change, replace the controller PCB
Trouble shooting 11
INDOOR UNIT Error Method:
Indoor Unit (Communication Circuit)
WRC Error
Detective Actuators: Detective details:
Forecast of Cause:
02-26
Indicate or Display:
Outdoor Unit : No indication
Indoor Unit : Operation lamp: 3 time Flash, Timer lamp: 10 time Flash
Economy lamp : Continuous flash.
ERROR CODE : [E : 3A]
For AR*G**LSLAP
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