17
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.
w
Check if the remote controller is exclusive for this air conditioner.
Yes
Replace the batteries. (Refer to 8-1.4.)
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 rapid-start type within
the range of 3.28ft.?
Replace the indoor electronic
control P.C. board.
Replace the remote controller.
●
Reinstall the unit away from lights.
●
Attach a filter on receiving part.
Switch ON the remote controller.
Is LCD display on the remote con-
troller visible?
Remove the batteries, then set them back
and press RESET button. (Refer to 8-1.4.)
Check if the unit operates with the remote
controller.
Yes
Does the unit operate with the
remote controller?
Yes
OK
No
(not clear)
Yes
No
No
No
OB448A-1.qxp 07.5.14 4:21 PM Page 17
