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Idiomas disponibles
W
i-Fi Module Setting Up
The Wi-Fi module (optional parts) can be put inside the indoor unit.
Refer to the installation manual for the detail.
This Wi-Fi module, communicates the status information and controls the com-
mands from the MELCloud by connecting to the indoor unit.
Note:
• Set up a connection between the Wi-Fi module and the Router.
Refer to the full version and SETUP QUICK REFERENCE GUIDE provided
with the Wi-Fi module.
• For full version, refer to Manual Download or please go to the website below.
http://www.mitsubishielectric.com/ldg/ibim/
• For MELCloud User Manual, please go to the website below.
https://www.melcloud.com/Support
W
hen You Think That Trouble
Has Occurred
Even if these items are checked, when the unit does not recover from the
trouble, stop using the air conditioner and consult your dealer.
Symptom
Indoor unit
The unit cannot be operated.
• Is the breaker turned on?
• Is the power supply plug connected?
• Is the on timer set?
The unit cannot be operated
• This protects the unit according to instructions
for about 3 minutes when
from the microprocessor. Please wait.
restarted.
Mist is discharged from the air
• The cool air from the unit rapidly cools moisture
outlet of the indoor unit.
in the air inside the room, and it turns into mist.
White smoke is discharged
• When the heating operation starts after the
from the air inlet of the indoor
defrosting operation, vapor generated from the
unit.
condensation on the heat exchanger looks like
white smoke.
The swing operation of the
• This is for the swing operation of the horizontal
horizontal vane is suspended
vane to be performed normally.
for a while, then restarted.
The air flow direction changes
• In the heating operation, if the air flow tempera-
during operation.
ture is too low or when defrosting is being done,
The direction of the horizontal
the horizontal vane is automatically set to vertical
vane/multi-flow vane cannot
position. The multi-flow vane is set to the closed
be adjusted with the remote
position.
controller.
• When the air conditioner is operated in cool mode
or dry mode, if the operation continues with air
blowing horizontally for 1 hour, the direction of
the air flow is automatically set to position (1) to
prevent condensed water from dropping. The
multi-flow vane is set to the closed position.
• The horizontal vane and the multi-flow vane auto-
matically moves in certain intervals to determine
its position, and then it returns to the set position.
The operation is stopped for
• Defrosting of the outdoor unit is being done.
about 10 minutes in the heating
Since this is completed in max.10 minutes,
operation.
please wait. (When the outside temperature is
too low and humidity is too high, frost is formed.)
The unit starts operation by
• These models are equipped with an auto
itself when the main power is
restart function. When the main power is
turned on, though it isn't oper-
turned off without stopping the unit with the
ated with the remote controller.
remote controller and is turned on again, the
unit starts operation automatically in the same
mode as the one set with the remote control-
ler just before the shutoff of the main power.
Refer to "Auto restart function".
In cool mode/dry mode, when
• When the room temperature deviates from the
the room temperature reaches
set temperature, the indoor fan starts running
near the set temperature, the
according to the settings on the remote controller.
outdoor unit stops, then the
indoor unit operates at low
speed.
The multi-flow vane opens and
• The multi-flow vane is automatically controlled by
closes automatically.
a microcomputer according to the air flow tem-
perature and operation time of the air conditioner.
The indoor unit which is not
• A small amount of refrigerant continues to flow
operating becomes warm and
into the indoor unit even though it is not operating.
a sound, similar to water flow-
ing, is heard from the unit.
The indoor unit discolors over
• Although plastic turns yellow due to the influence
time.
of some factors such as ultraviolet light and
temperature, this has no effect on the product
functions.
The walls around the indoor
• It is because the walls get dust in the air due to
unit have smudges.
air circulation by the air conditioner.
Water leaks from the indoor
• Does water flow smoothly from the edge of the
unit.
drain hose?
Outdoor unit
The fan of the outdoor unit
• When the outside temperature is low during cool-
does not rotate even though
ing operation, the fan operates intermittently to
the compressor is running.
maintain sufficient cooling capacity.
Even if the fan starts to rotate,
it stops soon.
Water leaks from the outdoor
• During cooling operation and dry operation, pipe
unit.
or pipe connecting sections are cooled and this
causes water to condense.
• In the heating operation, water condensed on the
heat exchanger drips down.
• In the heating operation, the defrosting operation
makes water frozen on the outdoor unit melt and
drip down.
White smoke is discharged
• In the heating operation, vapor generated by the
from the outdoor unit.
defrosting operation looks like white smoke.
Explanation & Check points
EN-7
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