Mitsubishi Mr. Slim SLZ-KA09, Operation Manual

Page: 6 / 24

6
6. Trouble Shooting
Having trouble? Here is the solution. (Unit is operating normally.)
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During cooling mode, the vanes automatically move to the horizontal
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is selected. This is to prevent water from forming and dripping from the
vanes.
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During heating mode, the vanes automatically move to the horizontal
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mode.
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after detecting the base position.
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A cracking or creaking sound is heard.
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These sounds can be heard when parts rub against each due to expan-
sion and contraction from temperature changes.
The room has an unpleasant odor.
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The indoor unit draws in air that contains gases produced from the walls,
carpeting, and furniture as well as odors trapped in clothing, and then
blows this air back into the room.
A white mist or vapor is emitted from the indoor unit.
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If the indoor temperature and the humidity are high, this condition may
occur when operation starts.
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mist.
Water or vapor is emitted from the outdoor unit.
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During cooling mode, water may form and drip from the cool pipes and
joints.
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During heating mode, water may form and drip from the heat exchanger.
Ŷ
During defrosting mode, water on the heat exchanger evaporates and
water vapor may be emitted.
The operation indicator does not appear in the wired remote controller
display. (*1)
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wired remote controller
display.
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and air conditioner operation cannot be started or stopped using the
wired remote controller.
When restarting the air conditioner soon after stopping it, it does not oper-
ate even though the ON/OFF button is pressed.
Ŷ
Wait approximately three minutes.
(Operation has stopped to protect the air conditioner.)
Air conditioner operates without the ON/OFF button being pressed. (*1)
Ŷ
Is the on timer set?
Press the ON/OFF button to stop operation.
Ŷ
Is the air conditioner connected to a central wired remote controller?
Consult the concerned people who control the air conditioner.
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Consult the concerned people who control the air conditioner.
Ŷ
Has the auto recovery feature from power failures been set?
Press the ON/OFF button to stop operation.
Air conditioner stops without the ON/OFF button being pressed. (*1)
Ŷ
Is the off timer set?
Press the ON/OFF button to restart operation.
Ŷ
Is the air conditioner connected to a central wired remote controller?
Consult the concerned people who control the air conditioner.
Ŷ
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Consult the concerned people who control the air conditioner.
Wired remote controller timer operation cannot be set. (*1)
Ŷ
Are timer settings invalid?
If the timer can be set, , , or appears in
the wired remote controller display.
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The initial settings are being performed. Wait approximately 3 minutes.
An error code appears in the remote controller display.
Ŷ
The protection devices have operated to protect the air conditioner.
Ŷ
Do not attempt to repair this equipment by yourself.
Turn off the power switch immediately and consult your dealer. Be sure
to provide the dealer with the model name and information that appeared
in the remote controller display.
Draining water or motor rotation sound is heard.
Ŷ
When cooling operation stops, the drain pump operates and then stops.
Wait approximately 3 minutes.
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The indoor operation sound level is affected by the acoustics of the
particular room as shown in the following table and will be higher than
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High sound-ab-
sorbing rooms
Normal rooms
Low sound-ab-
sorbing rooms
Location
examples
Broadcasting
studio, music
room, etc. Reception
room, hotel
lobby, etc.
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room
Noise levels 3 to 7 dB 6 to 10 dB 9 to 13 dB
*1: Only for wired remote controller.