Mitsubishi Electric MA-E85R-E - Troubleshooting Common Issues; Unit Operation and Performance Problems; Resolving Unusual Noises and Sounds

17
E
Maintenance
Troubleshooting
Cause and Remedy
z Is the tab (1 place) on the dust box unit inserted in the hole properly?
o Attach the dust box unit properly.
P.13
z Did you install the main unit on a surface that is not flat or stable?
o Install the main unit on a table or other surface that is flat and stable.
P.3
z Is the pre-filter dirty?
o Clean the pre-filter
.
P.12–13
z Are the filters dirty?
o Replace the filters.
P.16
z Is there dust on the PM2.5 Sensor and odor sensor?
o Clean the PM2.5 Sensor and odor sensor.
P.14
z Are you operating the air purifier with “Turbo” or “High” manual operation or
“Turbo” automatic operation?
o
The sound is louder for operation with a high air volume. If the sound
bothers you, select an operation mode with a low air volume.
P.9
z Is the pre-filter dirty?
o Clean the pre-filter.
P.12–13
z Are the filters dirty?
o Replace the filters.
P.16
z Is the activated char
coal filter installed in the main unit still inside the plastic bag?
o
Take it out of its plastic bag and then attach it again.
P.8
z Are you moving the air purifier while it is operating?
o
If the main unit is suddenly moved or tilted, sound may be emitted.
P.
3
The bottom of the inlet panel
cannot be attached.
The main unit vibrates a lot.
The main unit makes a sound
when being moved.
Odor and smoke are difficult to
remove.
The operation noise and vibration
have increased.
z Is the dust box unit attached to the pre-filter unit properly?
o Attach the dust box unit properly
.
P.13
z A buzzing sound is emitted during the cleaning of the pre-filter because the motor
is running. If a lot of dust adheres to the cleaning brush, the buzzing noise may
become loud.
o When the noise bothers you, perform cleaning.
P.12–13
A clattering sound is heard.
A buzzing sound has
become loud.
Symptom
z Has the power plug become disconnected?
o
Firmly insert the power plug into the power outlet.
P.9
z Is an air volume lamp or operation mode lamp lit?
(Is the operation On/Off switch ON?)
o
Turn ON the operation On/Off switch.
P.9
During automatic cleaning
The air purifier does not operate.
Before requesting repairs, thoroughly read this Instruction Manual, and check the following points.
Troubleshooting
ma-e85r-e_cs55.indb 17 2020/10/13 10:40:29