Mitsubishi Electric PLFY-P20VEM-E Bedienungsanleitung Seite 16

7. Troubleshooting
Having trouble?
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 air conditioner does not operate even though the ON/OFF button
is pressed. The operation mode display on the remote controller
disappears.
" " appears in the remote controller display.
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.
Air conditioner stops without the ON/OFF button being pressed.
Remote controller timer operation cannot be set.
"PLEASE WAIT" appears in the remote controller display.
An error code appears in the remote controller display.
Draining water or motor rotation sound is heard.
Noise is louder than specifications.
Nothing appears in the wireless remote controller display, the display
is faint, or signals are not received by the indoor unit unless the remote
controller is close.
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Here is the solution. (Unit is operating normally.)
These sounds can be heard when parts rub against each due to
expansion 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.
During defrosting mode, cool airflow may blow down and appear like a
mist.
During cool mode, water may form and drip from the cool pipes and
joints.
During heat 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.
Is the power switch of the indoor unit turned off? Turn on the power
switch.
During central control, " " appears in the remote controller display
and air conditioner operation cannot be started or stopped using the
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 remote controller?
Consult the concerned people who control the air conditioner.
Does " " appear in the 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 remote controller?
Consult the concerned people who control the air conditioner.
Does " " appear in the 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.
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 5 minutes.
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
the noise specification, which was measured in an echo-free room.
High sound
absorbing rooms
Broadcasting
Location
studio, music
examples
room, etc.
Noise levels 3 to 7 dB
The batteries are low.
Replace the batteries and press the Reset button.
If nothing appears even after the batteries are replaced, make sure
that the batteries are installed in the correct directions (+, –).
appears in the remote controller
Low sound
Normal rooms
absorbing rooms
Reception room,
hotel lobby, etc. room
6 to 10 dB 9 to 13 dB