Mitsubishi MJ-E16VX-S1 Service Manual page 47

Symptom
The operating
noise is
loud/reverberates
The operating
sound suddenly
increases in volume
The unit
The wind sound
makes
changes in volume
noises
The unit
produces a
simmering sound
The unit buzzes
intermittently (or
the compressor
does not
activate)
When first
used
The unit
produces
During
an odour
internal
drying
¡ Error message (Humidity indicator)
Digital display
or is displayed
is displayed
, , or through
is displayed
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.
¡ Check to see if the unit is on a slope or uneven surface.
➝ Move to a sturdy even surface.
¡ Check to see if the pre-filter 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.
¡ The sound increases when the compressor activates (3 minutes
after turning on the unit or during Easy dehumidifier and
Automatic modes).
¡ The volume of the sound differs depending on the angle of the louvre.
¡ This is the sound of the refrigerant.
The sound can be heard while the refrigerant stabilizes after the
unit turns on, changes modes, or stops.
¡ This is the sound of the compressor.
In modes that monitor the humidity level, or during drying inside the
compressor operates intermittently causing the sound to be heard
occasionally.
The compressor does not activate after turning the unit off, or for
3 minutes after plugging the unit into a power socket. (This is to
protect the compressor from damage.)
¡ The heat converter heats rapidly causing a brief odour. This is not
a malfunction.
¡ The moisture expelled from inside the unit may smell due to
odorants* that were not caught by the photocatalytic filter
dissolving in the water. This is not a malfunction.
¡ Check to see if the power cord is plugged into the power socket
properly.
➝ Plug the power cord into the power socket properly.
¡ Check to see if anything is blocking the air outlet.
➝ Remove the obstruction, and plug the power cord into the
power socket again.
¡ Check to see if the pre-filter is clogged.
➝ Clean according to the maintenance procedures.
¡ Malfunction
➝ Unplug the power cord, take note of the error message,
and contact the place of purchase.
Cause/Remedy
Cause/Remedy
47