Service manual

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11
MICROPROCESSOR CONTROL
Once the operation mode is set, the same operation mode can be repeated by simply turning OPERATE/STOP
(ON/OFF) button ON.
Indoor unit receives the signal with a beep tone.
When the system turns off, 3-minute time delay will operate to protect system from overload and compressor will not
restart for 3 minutes.
WIRELESS REMOTE CONTROLLER
(This diagram shows an overall view.)
Signal transmitting section
Operation display section
Temperature buttons
(This diagram shows an overall view.)
ON/OFF (operate/
stop) button
NOTE
Use the remote controller
provided with the unit only.
Do not use other remote
controller.
Indication of
remote controller
model is on back
Fan speed control button
Operation select button
ECONO COOL button
On-timer button
CLOCK set button
TIME set buttons
Forward button
Backward button
Off-timer button
RESET button
POWERFUL button
VANE button
(Horizontal vane button)
MS-A09WA
MS-A12WA
Operation Indicator lamp
The operation indicator at the right side of the indoor unit indicates the operation state.
•The following indication applies regardless of shape of the indication.
Indication Operation state
Difference between target
temperature and room
temperature
This shows that the air
conditioner is operating to
reach the target temperature.
Please wait until the target
temperature is obtained.
Approx. 4°F or more
This shows that the room
temperature is approaching
the target temperature.
Approx. 4°F or less
INDOOR UNIT DISPLAY SECTION
Lighted
Blinking
Not lighted