25
E
Troubleshooting
Symptom
Cause/Remedy
Error message
Digital display
If the symptoms persist even after following the prescribed remedies, or the error message does not
disappear, unplug the power cord, and contact the place of purchase.
The POWER lamp and the
operating mode lamp of the
current operating mode fl ash.
The fall detection switch is operating. Is the unit tilted or in a non-upright
position?
Use the unit on a fl at surface.
Check that no water is leaking from the tank, and turn the POWER switch off
and then back on.
→
Reinsert the power plug in the power socket.
<If the problem persists even after reinserting the power plug> This is a
malfunction
Take note of error message, unplug the power cord, and contact the place
of purchase.
One of the OFF TIMER,
SWING LOUVRE, and
operating mode lamps
fl ashes.
Check to see if the power cord is plugged into the power socket properly.
Plug the power cord into the power socket properly.
→
The three OFF
TIMER lamps light.
Cause/Remedy
An odor may be emitted from the parts inside the dehumidifi er when you fi rst
use the dehumidifi er.
Odorants that cannot be removed by the silver ion fi lter may be absorbed by
the dehumidifi er rotor inside the unit.
Odors unique to zeolite (sour smell, burning smell, etc.) may be emitted from
the dehumidifi er rotor. These odors have no effect on humans and animals.
If the room contains any of the following items, the corresponding odor will be
absorbed by the dehumidifi er rotor inside the dehumidifi er. Also, that absorbed
odor will be heated by the heater, which may result in a burning like smell or
other abnormal odor.
Examples: Cigarettes, cosmetics, hair dressing products, building materials,
new furniture, etc.
The unit produces an odour
Check to see if the unit is on a slope or uneven surface.
Move to a sturdy even surface.
→
Check to see if the silver ion fi lter is clogged.
Clean according to the maintenance procedures.
→
Operating the unit in small rooms or in tight spaces sometimes causes
the sound to reverberate.
Place a mat underneath the unit.
→
This occurs because the unit checks the rotation state of the motor once every
approximately 10 seconds. It is a function for safety purposes. This is not a
malfunction.
The volume of the sound differs depending on the angle of the louvre.
This is the sound of the motor inside the dehumidifi er. This is not a malfunction.
The operating
noise is loud/
reverberates
The wind sound
changes in volume
The unit produces
frizzling and
whirring sounds.
The operating
sound varies and
sometimes stops.
The unit
makes
noises
The residue is from debris in the air.
Clean according to the maintenance procedures.
→
There is black residue on the
inside of the water tank and lid.
The residue is from fi nal product testing at the factory.
It is not a result of a malfunction.
The water tank contains liquid
or white water residue
Stop using the unit, and contact the place of purchase or Mitsubishi Electric
Service Center.
The power plug and socket are
unusually hot.
P20
P5·7
P21
P13
P7
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2008/10/16 16:10:12
2008/10/16 16:10:12
