45
Check if the remote controller is exclusive for this air conditioner.
Does the unit operate with the remote
controller?
OK
Yes
No
(Not clear)
Replace the batteries. (Refer to 9-1.4.)
Switch ON the remote controller.
Is LCD display on the remote controller
visible?
Remove the batteries, then set them back
and press RESET button. (Refer to 9-1.4.)
Check if the unit operates with the remote
controller.
Yes
No
Turn ON a radio to AM and press switch
ON the remote controller.
Is noise heard from radio?
Yes
No
Replace the remote controller.
Are there any fluorescent lights of
inverter or rapid-start type within the
range of 3.28 ft.?
Yes
No
• Reinstall the unit away from lights.
•
Attach a filter on receiving part.
Measure the voltage between receiver P.C. board
connector CN301 No.2(+) and No.3(-) when the
remote controller button is pressed.
Is the voltage approximately 4 V DC?
No (5 or 0 V DC)
Replace the receiver P.C. board.
Replace the remote controller.
Yes
MSZ-GS30/36NA MSZ-GS30/36NA2
MSY-GS30/36NA MSY-GS30/36NA2
OBH874A
