31
No
(not clear)
Check of remote controller and receiver P.C. board
B
Indoor unit operates by pressing EMERGENCY OPERATION switch, but does not operate with the remote controller.
Check if the remote controller is exclusive for this air conditioner.
Yes
Replace the batteries. (Refer to 10-1.4.)
Turn ON a radio to AM and press switch
on the remote controller.
Is noise heard from radio?
Are there any fluorescent lights of
inverter or of rapid-start type within
the range of 1 m?
Replace the indoor electronic
control P.C. board.
Switch on the remote controller.
Is the LCD display on the remote
controller visible?
Remove the batteries, then set them back
and press RESET button. (Refer to 10-1.4.)
Check if the unit operates with the remote
controller.
Yes
Does the unit operate with the
remote controller?
Yes
OK
Yes
No
No
Replace the remote controller.
Reinstall the unit away from lights.
Attach a filter on receiving part.
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