48
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Check of remote controller and receiver P.C. board
B
Indoor unit operates by pressing the EMERGENCY OPERATION switch, but does not operate with the remote
controller.
Replace batteries.(see page 44.)
Turn a radio to AM and press switch on
remote controller.
Is noise heard from radio?
Are there any fluorescent lights of
inverter or rapid-start type within
the range of 3.28ft?
MS12/15/17
Connect properly.
Replace Receiver P.C. board.
MS09
The connector connecting
Receiver P.C. board and Electric
control P.C. board is properly fixed.
The unit receives signal of Operate
ON/OFF with remote controller,
and emits a beep tone.
Replace remote controller.
●
Re-install the unit away from lights.
●
Attach a filter on receiving part.
Switch on the remote controller
Is LCD display on remote con-
troller visible?
Remove batteries and then set them back. Check if the unit
operates with remote controller.
Yes
Does the unit operate with remote
controller?
Yes
No
(not clear)
Yes
No
No
No
No
OK
Connect properly
Replace Auto Restart
Assembly.
No
Replace Electric control
P.C. board.
Replace Auto Restart Assembly.
The connecter of Auto Restart
Assembly is properly fixed.
The unit receives signal of Operate
ON/OFF with remote controller,
and emits a beep tone.
The unit receives signal of Operate
ON/OFF with remote controller,
and emits a beep tone.
OK
OK
OK
W
Check if the remote controller is exclusive for this air conditioner.
MS09NW product number after
7004651T, and MS09NW2
Product number up to 7004651T