Trouble shooting 10
INDOOR UNIT Error Method:
Detective Actuators:
Detective details:
Forecast of Cause:
Check Point 1 : Check rotation of Fan
Check Point 2 : Check ambient temp. around motor
OK
OK
Indoor Fan Motor abnormal
Indoor Unit Control PCB (AS,AR),
Main PCB, Power PCB (AU) Circuit.
Indoor Fan Motor
1. Fan rotation failure 2. Motor protection by surrounding temperature rise 3. Control PCB (AS,AR),
Main PCB ,Power PCB (AU)
Rotate the fan by hand when operation is off.
(Check if fan is caught, dropped off or locked motor)
>>If Fan or Bearing is abnormal, replace it.
Check excessively high temperature around the motor.
(If there is any surrounding equipment that causes heat)
>>Upon the temperature coming down, restart operation.
When the condition that actual frequency of Indoor Fan is below 1/3
of target frequency is continued more than 56 seconds.
Or the condition of fan speed is 0rpm is continued more than 56 seconds.
02-17
Indicate or Display:
Refer to error code table.
Check Point 3 : Replace Control PCB
If Check Point 1,2 do not improve the symptom, change Control PCB (AS,AR),
Main PCB ,Power PCB (AU)
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