Mitsubishi Electric Mr.SLIM PEAD-A12AA7 Manuel D'utilisation page 9

Having trouble?
Air conditioner does not heat or cool well.
When heating operation starts, warm air does not blow from the indoor
unit soon.
During heating mode, the air conditioner stops before the set room tem-
perature is reached.
A cracking or creaking sound is heard.
The room has an unpleasant odor.
A white mist or vapor is emitted from the indoor unit.
Water or vapor is emitted from the outdoor unit.
The operation indicator does not appear in the wired remote controller
display. (*1)
" " appears in the wired remote controller display. (*1)
When restarting the air conditioner soon after stopping it, it does not
operate even though the ON/OFF button is pressed.
Air conditioner operates without the ON/OFF button being pressed. (*1)
Air conditioner stops without the ON/OFF button being pressed. (*1)
Wired remote controller timer operation cannot be set. (*1)
"PLEASE WAIT" appears in the wired remote controller display. (*1)
An error code appears in the remote controller display.
Draining water or motor rotation sound is heard.
The fan speed changes in spite of not changing the setting.
*1: Only for wired remote controller
Here is the solution. (Unit is operating normally.)
■
■
■ Make sure that there is plenty of space around the outdoor unit. Is the
indoor unit air intake or outlet blocked?
■ Has a door or window been left open?
■
■ When the outdoor temperature is low and the humidity is high, frost
may form on the outdoor unit. If this occurs, the outdoor unit performs a
defrosting operation. Normal operation should begin after approximately
10 minutes.
■
tion after detecting the base position.
■
■ These sounds can be heard when parts rub against each due to expan-
sion and contraction from temperature changes.
■ 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.
■ If the indoor temperature and the humidity are high, this condition may
occur when operation starts.
■
mist.
■ During cooling mode, water may form and drip from the cool pipes and
■ During heating mode, water may form and drip from the heat exchanger.
■ During defrosting mode, water on the heat exchanger evaporates and
water vapor may be emitted.
■ Turn on the power switch. " " will appear in the wired remote controller
display.
■ During central control, "
" appears in the wired remote controller
display and air conditioner operation cannot be started or stopped using
the wired remote controller.
■ Wait approximately three minutes.
(Operation has stopped to protect the air conditioner.)
■ Is the on timer set?
Press the ON/OFF button to stop operation.
■ Is the air conditioner connected to a central wired remote controller?
Consult the concerned people who control the air conditioner.
■ Does "
" appear in the wired remote controller display?
Consult the concerned people who control the air conditioner.
■ Has the auto recovery feature from power failures been set?
Press the ON/OFF button to stop operation.
■ Is the off timer set?
Press the ON/OFF button to restart operation.
■ Is the air conditioner connected to a central wired remote controller?
Consult the concerned people who control the air conditioner.
■ Does "
" appear in the wired remote controller display?
Consult the concerned people who control the air conditioner.
■ Are timer settings invalid?
If the timer can be set, , or
display.
■ The initial settings are being performed. Wait approximately 3 minutes.
■ The protection devices have operated to protect the air conditioner.
■ 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.
■ When cooling operation stops, the drain pump operates and then stops.
Wait approximately 3 minutes.
■ Not to blow out cold air at the beginning of heating operation, the air
return air temperature or fan speed excessively rises.
appears in the wired remote controller
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