Mitsubishi Electric MSZ-GE22VA-A1, Руководство по обслуживанию

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34
B Check of remote controller and indoor electronic control P.C. board
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 10-1.4.)
Press OPERATE/STOP (ON/OFF)
button 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 10-1.4.)
Check if the unit operates with the remote
controller.
Yes
No
Turn ON a radio to AM and press
OPERATE/STOP (ON/OFF) button on
the remote controller. 1
Is noise heard from radio?
Yes
No
Replace the remote controller.
Are there any fl uorescent lights of
inverter or rapid-start type within the
range of 1 m? 2
No
Reinstall the unit away from lights.
Attach a
fi lter on receiving part.
•
•
Replace the indoor electronic control
P.C. board. (Including the receiver)
MSZ-GE22VA MSZ-GE22VAD MSZ-GE25VA MSZ-GE25VAD MSZ-GE33VA
MSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD MSZ-GE42VA MSZ-GE42VAD
MSZ-GE50VA MSZ-GE50VA2 MSZ-GE50VAD
MSZ-GE60VA MSZ-GE60VAD MSZ-GE71VA MSZ-GE71VAD
MSZ-GE80VA MSZ-GE80VA2 MSZ-GE80VAD
Does the unit operate with the remote
controller?
OK
Yes
No
(Not clear)
Replace the batteries. (Refer to 10-1.4.)
Press OPERATE/STOP (ON/OFF)
button 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 10-1.4.)
Check if the unit operates with the remote
controller.
Yes
No
Turn ON a radio to AM and press OP-
ERATE/STOP (ON/OFF) button on the
remote controller. 1
Is noise heard from radio?
Yes
No
Replace the remote controller.
Are there any fl uorescent lights of
inverter or rapid-start type within the
range of 1 m? 2
Yes
No
Reinstall the unit away from lights.
Attach a
fi lter on receiving part.
•
•
Measure the voltage between power
monitor receiver SW P.C. board connec-
tor CN20A No.2(+) and No.3(-) when the
remote controller button is pressed.
Is the voltage approximately 4 V DC?
No
Yes
Replace indoor electronic control P.C.
board.
Replace power monitor receiver SW P.C. board.
1 Look at the image of the signal transmitting section of
the remote controller through the monitor of a digital
camera or a camera phone. It is normal if the LED of
the signal transmitting section lights up when the OP-
ERATE/STOP (ON/OFF) button on the remote control-
ler is pressed. However, it may be dif
fi cult to see the
illuminated LED of the signal transmitting section with a
smartphone camera.
2 If the inverter
fl uorescent light is turned on when the
room is cool, the unit may have dif fi culty receiving the
signal from the remote controller or may not be able to
operate with it; if the inverter
fl uorescent light is turned
on when the room is warm, the unit may be able to
operate with the remote controller.
Yes
OBH531E