Trouble shooting 10
INDOOR UNIT
OUTDOOR UNIT Error Method:
Indicate or Display:
Detective Actuators:
Detective details:
Forecast of Cause :
Main relay welded error
Outdoor unit Main PCB
Indoor unit Controller PCB
Power code assy*1
When the signal from the outdoor unit is input after 2min.20sec. from the
time of operation stop under the Main relay is OFF condition.
1. Power code assy*1 2. Main PCB failure 3. Controller PCB failure
02-12
Check Point 1 : Replace Main PCB
Change Main PCB.
Refer to error code table.
OK
OK
Check Point 2 : Replace Controller PCB
If Check Point 1 do not improve the symptom, replace Controller PCB.
OK
OK
Check Point 3 : Replace Power code assy*1
If Check Point 2 do not improve the symptom, replace Power code assy.
*1: Power code assy consists of Terminal, Relay, Thermal fuse, and Power code.
