Page 1
Trouble-
shooting
Before Using
How to Use
Maintenance
AIR PURIFIER
<Desktop type>
MODEL
MA-EF503HS-U
MA-EF303HS-U
INSTRUCTION MANUAL
Features
●
Plasma deodorization
For odors that cannot be removed even with
activated charcoal
●
HEPA dust filtration
●
Sensors to detect dust particles,
pollen, and odors
●
Powerful and quiet
●
Hand-held remote control
CONTENTS Page
¡Safety precautions..........................2
¡Precautions.....................................4
¡Names and functions of parts.........5
¡Effective usage................................7
¡Preparations....................................8
Setting the filters
Installing the batteries for
remote controller
¡
Operation (viewing the monitor lamps)
....9
¡Changing the airflow.....................10
¡Plasma air deodorization ..............11
¡Off TIMER operation.....................11
¡Monthly cleaning...........................12
¡Yearly cleaning..............................13
¡Replacing the filters ......................14
¡Troubleshooting.............................15
¡Specifications ...............(back cover)
In order to ensure correct usage, please read this
instruction manual carefully, and retain it for future
reference.
™
Page 2
AC120V
WARNING
CAUTION
WARNING
Safety precautions
The following displays categorize the degree of danger when mishandled.
Possibility of serious injury and even death, if mishandled.
Possibility of injury and damage to household furniture and surroundings.
The following symbols are defined as follows:
Prohibited Do not touch
Do not use
near water
Do not
disassemble
Do not get wet
Always follow
Remove the
power plug
Fire and/or electrical shock
may occur as a result.
For repair, contact your dealer of
purchase or Mitsubishi Electric.
Do not repair,
disassemble or
modify.
Do not damage the power cord.
●
Do not coat or bundle.
●
Do not place objects on top of
the cord.
●
Do not remove the power plug by
pulling on the cord.
Fire, electrical shock, and/or
damage may occur as a result.
Do not use damaged power cord
or plug. Do not use damaged
power outlet where the plug
cannot be inserted securely .
Electrical shock, short circuit
and/or fire may occur as a
result.
Do not wash the Plasma
unit.
Using the Plasma unit when
wet may cause fire and/or
electrical shock.
Do not insert finger or
foreign objects into the
dust sensor.
Electrical shock may occur as
a result.
Remove the power plug
when cleaning.
Furthermore, never handle the
power plug with wet hands or
get the plug wet.
Electrical shock and/or injury
may occur as a result.
Use an AC120V power outlet.
Electrical shock, short circuit
and/or fire may occur as a
result.
Periodically remove dust
from the power plug with a
dry cloth.
Dust build-up can cause bad
insulation and a fire may occur
as a result.
2
To reduce the risk of electric
shock, this equipment has a
polarized plug (one blade is
wider than the other). This plug
will fit in a polarized outlet only
one way. If the plug does not fit
fully in the outlet, reverse the
plug. If it still does not fit,
contact qualified personnel to
install the proper outlet. Do not
alter the plug in any way.
Page 3
CAUTION
Gas
Gas
Gas
Oil
Oil
Oil
Spray
Before Using
3
Do not allow the unit to intake
flammable gases.
Do not use where there is
accumulation of such flammable
gases (factories, hair salons, etc.).
Explosion and/or fire may
occur as a result.
Do not install in a location
such as a bathroom where the
unit may get wet, and avoid
places with high humidity.
Electrical shock and/or
malfunction may occur as a result.
If the unit gets wet for some reason,
stop operation, remove the power
plug and contact your dealer of
purchase or Mitsubishi Electric &
Electronics USA, Inc..
Do not use in a location
where there is lampsmoke,
such as from machine oil,
etc.
The unit may crack, resulting in
electrical shock and/or
malfunction.
Do not insert fingers or foreign
objects into the intake grill, the
exhaust air port, or any small
openings of the unit interior.
Electrical shock, malfunction
and/or injury may occur as a result.
Do not wipe with benzene or
paint thinner, and do not spray
insecticides or deodorizers,
etc., onto the unit.
Electrical shock, fire and/or
cracking may occur as a result.
Do not remove the HEPA
filter with the unit laying on
its back.
Dust may enter inside the unit,
and fire and/or electrical
shock may occur as a result.
Do not use damaged filters, or
operate the unit without a filter .
Contact your dealer or Mitsubishi
Electric for a replacement.
Fire and/or electrical shock
may occur as a result.
Do not touch the electric
poles of the Plasma unit.
Injury may occur as a result.
Ventilate periodically when
using the unit with a
heating appliance, etc.
Insufficient ventilation may
cause CO intoxication.
● Do not use rechargeable batteries.
● Make sure that the and are correctly aligned.
● When replacing, always replace batteries at the same time using
the same type.
● If the electrolyte from the alkaline batteries comes into contact with
skin, wash thoroughly with water. If the electrolyte accidentally
enters your eye, flush with water and seek immediate medical
attention.
Remove the power plug
when not using for an
extended period of time.
Insulation may deteriorate,
causing short circuit, fire and/or
electrical shock as a result.
Use the batteries correctly by following the items below.
Injury and/or malfunction may occur if mishandled.
Safety precautions
Page 4
4
Precautions
This air purifier is for household use only. Do not use for business purposes.
Do not block the intake grill or
the exhaust air ports.
Malfunction may occur as a result.
Do not use if the unit is laying
on its back or front.
Malfunction may occur as a result.
Do not use with the intake
grill, the filters or the Plasma
unit removed.
Malfunction may occur as a result.
Do not use the unit as a
ventilation fan or range hood.
This may drastically reduce the
service life of the filter as well as
cause deformation, discoloration
and/or malfunction.
If the remote controller comes into contact with a
liquid, remove batteries and dry thoroughly.
If the remote controller becomes inoperable, contact your dealer
of purchase or Mitsubishi Electric.
Take note of the following when installing the unit
Do not install near or on top of
hot objects, such as a stove,
etc.
Malfunction, deformation and/or
discoloration may occur as a result.
Keep unit at least 3.3 feet (1m) away from
televisions, cordless telephones, air
conditioners, computers, incandescent
bulbs, fluorescent lighting, etc.
Electrical wave interference may
occur, resulting in the remote
control becoming inoperable.
Do not use in a location
exposed to direct sunlight
Deformation and/or discoloration
may occur as a result.
Leave space around the unit
Walls and/or ceiling may become
dirty as a result.
2 feet (60 cm) or more above the unit and 0.7
feet (20 cm) or more on the sides and back.
2 feet (60 cm)
or more
0.7 feet
(20 cm)
or more
When carrying
Turn the power switch to OFF,
unplug the unit, and carry the
unit by the handle.
Do not press strongly against
the control panel when carrying.
Notes
How strong are the electromagnetic waves discharged by this air purifier?
The electromagnetic waves produced by this product are lower than mobile phones, and are harmless to the body
and medical equipment.
Can the unit remove odors of newly constructed houses?
The unit may not be able to completely remove odors if the discharge of odors is too much such as with new paint or
carpet glues.
0.7 feet (20 cm)
or more
0.7 feet (20 cm)
or more
Page 5
6〜7
Main unit
Accessories
Control panel
Before Using
5
Names and functions of parts
Odor sensor
Detects smell of cigarettes, etc.
Reset Switch
Press after
replacing the filter.
Activated charcoal filter
Remote controller
Two AA type
batteries for the
remote controller
Plasma unit
HEPA filter
Intake grill
Dust sensor
Detects polluted air such
as pollen, etc.
Grill-release button
Press to remove the grill.
(On each side of unit)
Table stand
Air fan
Spring clips
(On each side
of Plasma unit)
What is a HEPA filter?
<High Efficiency Particulate Air filter>
The HEPA filter is a high performance filter
than can catch up to 99.97% of all particles
as small as 0.3 micron in diameter.
Handle
Exhaust air
port
Power cord
<Removing>
Lay the unit on its back
side, and then remove the
stand by pressing table
stand tabs.
<Replacing>
Hook the tabs on the front
side of the table stand,
and then press in the rear
side of the stand.
Precautions
Names and functions of parts
6~7
Removing and replacing the unit table stand
Page 6
PLASMA
REPLACE FILTER
Control panel
Plasma deodorization lamp
ON…Plasma deodorization in
process
Flashing…Error
13
Odor sensor
Filter replacement lamp
When lit, it indicates that the filters
should be replaced.
Remote sensor
How to use the
remote controller
9
14
Plasma air deodorization
11
Viewing the monitor lamps
9
Odor monitor (odor sensor)
Shows the level of air pollution caused by odor
of cigarette smoke, etc.
Microdust Monitor (dust sensor)
Displays the level of air pollution caused by tiny
particles such as cigarette smoke, etc.
Pollen Monitor (dust sensor)
Displays the level of air pollution caused by
large particles such as pollen, dead mites,
dust, etc.
ODOR
MICRO
DUST POLLEN
How do the sensors work?
Odor sensor
Using a semiconductor sensor, gases
from odor ingredients are detected. The
sensor will react to a breeze from air
conditioners, fans, etc., as well as
odorless gases and perfumes.
Dust sensor
¡MICRODUST
Using an optical sensor, the number of particles less than
approximately 1 micron is detected.
¡POLLEN
Using an optical sensor, the number of particles more than
approximately 1 micron is detected.
About microdust and pollen
100 (micron)1010.10.01
Pollen
Feces or dead body of mites, dust
Small particles of cigarette smoke
Dusts which are harmful to the lungs
MICRODUST
Small particles such cigarette smoke, etc.
(Mainly particles smaller than 1 micron)
POLLEN
Large particles such as pollen, dead mites, etc.
(Mainly particles of larger than 1 micron)
Replacing the filters
6
Names and functions of parts (continued)
Page 7
Before Using
7
TIMER FAN AUTO
NORMAL
POLLEN
GUARD
MIN
HOUR
LOW MED
HIGH
MAX
POWER
ON/OFF
11
10
10
15
15
Off TIMER lamps
Show the remaining
operation time (hours).
Off TIMER b utton
¡Switches the timer ON
¡Switches the timer OFF
Off TIMER operation
Changing the airflow
FAN level indicator
ON: The fan level in
operation is displayed.
Flashing: Error
FAN button
¡
Switches operation modes
and airflow volume
Changing the airflow
Operation mode lamps
POLLEN GUARD lamp ON: Pollen guard in progress
NORMAL lamp ON: Normal operation in progress
Flashing: Error
AUTO button
Switches operation modes
POWER button
¡Turns the unit ON
¡Turns
the unit OFF
9
Operation
POWER
AUTO FAN
PLASMA
TIMER
Remote control operation panel
11
11
10
Operation mode button
¡Switches operation modes.
Plasma air deodorization switch
(on the remote only)
¡Plasma air deodorization
function ON
¡Plasma air deodorization
function OFF
9
Operation switch
¡
Turns the unit ON
¡Turns the unit OFF
Off TIMER switch
¡
Switches the timer ON
¡
Switches the timer OFF
Names and functions of parts
Effective usage
10
Use by installing on a high platform
Table-top POLLEN GUARD operation
POLLEN GUARD, which reacts to even the
slightest traces of pollen, is recommended.
Since scattered dust and pollen fall gradually,
install the unit in a low location for the best
result.
Running the unit all day is also recommended
if you are concerned about pollen.
Since cigarette smoke rises directly upward,
installing the unit in a high location is
recommended such as on a counter or
dresser.
(Take caution so that the unit does not fall.)
Effective usage
For the best results from your product, install the unit where there is good air
circulation.
If you
are
concerned
about
smoke
If you are
concerned
about
pollen
Page 8
1
3
2
4
5
12~13
＋
−
＋
−
1
2
3
Caution
8
Preparation
Setting the filters
Remove the plastics from the HEPA filter and the
activated charcoal filter before use.
Press the grill-release buttons, and
then remove the intake grill.
Remove the HEPA filter.
Both sides
Remove the Plasma unit.
Hold the spring
clips, and remove
one side at a time.
Hold with both
hands, and pull
to remove.
Install the activated charcoal filter.
Remove the
plastic before
installing.
Replace the Plasma unit, the HEPA
filter, and the intake grill.
Remove
the plastic
(White particles within the activated
charcoal filter are titanium oxide, not
mildew.)
Installing the batteries for
the remote controller
While pushing the cover, slide it
forward.
Insert the batteries.
Close the cover by sliding it bac kward
until it snaps shut.
Two AA type batteries
● Ensure that the proper polarity is observed.
Use dry cell batteries in a proper manner.
● Do not use rechargeable batteries.
● Make sure that the positive and negative poles
are correctly aligned.
● When replacing, always replace with two new
batteries of the same type.
● Should your skin come in contact with the
electrolyte of the alkaline dry cell batteries,
wash the affected area with water. Should the
electrolyte enter your eye, immediately contact
a doctor.
Wrong use may cause injury or malfunction.
Page 9
Before Using
9
Preparation
Operation
TIMER FAN AUTO
NORMAL
POLLEN
GUARD
MIN
HOUR
LOW MED
HIGH
MAX
POWER
ON/OFF
beep, beep
beep, beeep
POWER
ON/OFF
AUTO FAN
PLASMA
TIMER
POWER
POWER
ODOR
MICRO
DUST POLLEN
Operation
On the main unit
Press the power button on the main unit to turn on the
air purifier.
● Each time you press this button, the unit turns ON
or OFF.
● Both the operation mode lamp and the monitor
lamp must be ON.
● When you plug in the power cord, the monitor
lamps blink for approximately two minutes while
the sensors stabilize.
Viewing the monitor lamps
The lamps light up (four levels) depending on amount of air contaminants or odors present.
Dirty air
Clean air
MIN
FAN SPEED
MAX
Using the remote controller
Press the power button on the remote controller
to turn on the air purifier. The operation is the
same as on the main unit.
ON
OFF
Press
Press
How to use the remote controller
The remote controller allows you to operate the unit
from a remote place.
Aim the remote controller toward the main unit
and press the switch. The maximum range of
operation is 23 feet (7 m).
Remote sensor
Remote controller
● Do not cover the remote
sensor with cloths, etc.
● If the main unit does not respond properly to the
signals from the remote controller, replace with
the new batteries.
● Make sure the remote sensor and the remote
controller are in sight of one another.
Remote controller operation may not be possible in
the following situations:
● In areas where the unit is subjected to direct sunlight.
The infrared rays of the sunlight may effect the remote
sensor on the unit
● In rooms with inverter lighting for lower power consumption.
The noise from the inverter lighting may effect the remote
sensor on the unit.
How to Use
Page 10
TIMER FAN AUTO
NORMAL
POLLEN
GUARD
MIN
HOUR
LOW MED
HIGH
MAX
POWER
ON/OFF
FAN AUTO
AUTO FAN
MIN
LOW MED
HIGH
MAX
NORMAL
POLLEN
GUARD
AUTO FAN
PLASMA
TIMER
POWER
beep
beep
beep
10
Changing the airflow
On the main unit
Using the remote controller
You can select between FAN (manual) and AUTO operation modes.
You can select from 5 airflow volumes or AUTO.
Press
one of the buttons
You can select the airflow volume from the
remote controller. The operation is the same as
with the main unit.
Press
one of the buttons
FAN
You can select
from 5 airflow
volumes.
● The airflow changes each time
the button is pressed, and the
lamp of the chosen volume lights
up.
AUTO
You can select
from POLLEN
GUARD and
NORMAL.
● Operation switches every time
the button is pressed, and the
selected operation mode lamp
lights.
● Operation is automatically
adjusted to the appropriate
airflow volume according to the
odor monitor, microdust monitor,
and pollen monitor.
■ POLLEN GUARD
● The sensor is set to
supersensitive to react to even the
slightest traces of pollen.
● The fan speed is faster than the
NORMAL operation for easier
intake of large particles such as
pollen, etc.
■ NORMAL
● The level of air pollution in the
room is monitored using the odor
and dust sensors, and the
appropriate airflow volume is
automatically selected.
● When the air is clean, the fan will
stop.
■ MIN or LOW
When sleeping
■ HIGH or MAX
When house cleaning
● The unit will return to the previously set mode even after turning the unit off.
The unit will return to the previously set mode even when reinserting the power plug or after having a power failure.
Page 11
TIMER FAN AUTO
NORMAL
POLLEN
GUARD
MIN
HOUR
LOW MED
HIGH
MAX
POWER
ON/OFF
AUTO FAN
PLASMA
TIMER
POWER
AUTO FAN
PLASMA
TIMER
POWER
PLASMA
beep
beeep
TIMER
TIMER
beep beep beep
beeep
HOUR
Continuous
Operation
(Lamp off)
How to Use
11
Plasma air deodorization
The unit uses the odor sensor to monitor the level of air pollution, then automatically activates the Plasma to break up odor ingredients in the air.
Using the remote controller
You can turn the Plasma deodorization function ON or OFF.
● Each time you press this button, the Plasma unit
turns ON or OFF.
● Turn the Plasma deodorization lamp ON.
● The unit will return to the previously set operation
mode when power is interrupted.
● Since the unit operates intermittently during the
Plasma deodorization, a hissing noise may be
heard, and the unit may also stop at times. If
the noise becomes irritating, turn off the feature
by pressing the PLASMA button on the remote
control.
● When the Plasma deodorization lamp is
blinking, turn the unit off, and clean the Plasma
unit.
To operate from the main unit, you can turn the
Plasma deodorization ON or OFF using the
following procedure:
● When the power is turned on, press and hold
the AUTO button, and press the POWER
switch.
Off TIMER operation
On the main unit
You can set the unit so that it turns off after running
for a preset time. (1, 2, 4 hours)
Using the remote controller
You can also use the remote controller to
set/deactivate the off TIMER. The operation is the
same as on the main unit.
● The selected Off TIMER lamp lights.
● The Off TIMER lamp will display the remaining
operation time and will switch as time passes.
● The remaining operation time can be changed.
Changing the airflow
Plasma air deodorization/Off timer operation
ON
OFF
Press
Press
Press
13
Page 12
1
2
3
4
14
Direction of
airflow
12
Maintenance
Monthly cleaning
For the best performance from your unit, clean approximately once a month.
Both sides
Using the soft
nozzle brush of a
vacuum cleaner,
Cleaning the sensors
Cleaning the HEPA filter
Odor sensor (control panel)
Remove dust using
the nozzle of a
vacuum cleaner.
Remove surrounding dust
using the nozzle brush of a
vacuum cleaner.
Dust sensor surroundings
Cleaning the main unit
Intake grill
Remove dust
using a nozzle
brush of a
vacuum cleaner.
For stubborn dirt, remove
the intake grill, and wash
with a soft sponge.
Thoroughly dry before
replacing.
Main unit
Dry-wipe with
a soft cloth.
For stubborn dirt,
wipe with a cloth
dampened with
water.
Press the grill release buttons on
each side, and remove the intake grill.
Remove the HEPA filter and clean.
Replace the HEPA filter.
remove dust by taking care not
to tear the HEPA filter surface.
Do not wash. The filter cannot
be reused if washed or after
becoming wet.
8
Replace the intake grill.
Hook the five tabs on the upper
side of the intake grill, and press
in the lower side until the release
buttons snap securely.
Replace the HEPA filter with the
logo facing you and
arrows pointing away from you.
Cleaning Sensors, the HEPA
filter, and main unit
Cleaning the Plasma unit
Monthly
Yearly
Replacing the filters
WARNING
Before cleaning the unit,
turn off the power and
remove the power plug.
Electrical shock and/or injury
may occur as a result.
Page 13
1
4
5
2
3
1
3
2
13
Maintenance
WARNING
Before cleaning the unit, turn off the power and
remove the power plug.
Electrical shock and/or injury may occur as a result.
Yearly cleaning
Clean at least once a year. Clean the Plasma unit if the Plasma deodorization lamp flashes.
Cleaning the dust sensor
Remove the cover by depressing
the cover spring.
Left side of
main unit
Clean the sensor lenses.
Use a dry cotton swab
and clean the two lenses.
Replace the cover.
Press the grill release buttons on
each side; remove the intake grill,
and then remove the HEPA filter.
Remove the Plasma unit.
Cleaning the Plasma unit
Plasma unit
Do not pull by force. Malfunction
may occur as a result.
Clean the Plasma unit.
Lightly flick off the tips. Using force may
cause the Plasma unit to deform,
resulting in malfunction of the unit.
Use a toothbrush, and lightly flick
off the tips of the electric poles.
Replace the Plasma unit.
Position the Plasma unit using
both hands, and press in each
spring clip until you hear a click.
Push in
the lower
section.
Replace the HEPA filter and the
intake grill.
Hold the spring
clips, and remove
one side at a time.
Pull the Plasma unit
towards you to
remove.
Monthly cleaning
Yearly cleaning
8
Page 14
Please replace the HEPA filter and the activated charcoal
filter with new filters when the color on the surface of the
HEPA filter matches the color indicated above.
Available from Mitsubishi Electric
www.plasmapure.com
REPLACE FILTERS
Reset Switch
1
2
3
4
5
6
Reset switch
Beep
14
Use a ball point pen,
or a similar pointed
object, and press
until a beep is heard.
Maintenance (continued)
Replacing the filters
The filter replacement lamp notifies you of the replacement period of the HEPA filter and the activated charcoal filter.
Replace both the HEPA filter and the activated charcoal filter at the same time.
Replacement period
Color of household dust
Color of cigarette ingredients
●
The service life of the filters varies depending
on the usage environment, and conditions.
● The HEPA filter and the activated charcoal filter
cannot be reused. Always replace old filters
with new filters.
●
When smoking large amount of cigarettes, odor
may adhere to the filter and main unit. In this
case, clean the main unit, and replace the filters.
Separately sold part:
Replacement filter set
(HEPA filter/activated charcoal filter)
Model MAPR-E837HFT
Code no. 5D4 C06
To order parts, contact your dealer of purchase
or Mitsubishi Electric @ www.plasmapure.com
Remove the intake grill and the
HEPA filter.
Remove the Plasma unit.
Replace the activated charcoal
filter.
Replace the Plasma unit and
mount a new HEPA filter.
Insert the power plug and press
the Reset Switch.
Set vertically.
(There is no front or back.)
Replace the intake grill.
12~13
Although the replacement period depends on
the usage environment and conditions, the
lamp will light after approximately 5 years
when using the unit on constant MIN fan
speed.
(In the case of MAX, the lamp will light in
approximately 1/4 the time.)
● When the filter replacement lamp illuminates
● When the HEPA filter becomes dirty and the
color is about the same as that indicated on
the label
Page 15
Press the power switch and turn on the
power.
Reinsert the power plug into the power
outlet.
Clean the sensors.
Replace the HEPA filter and the
activated charcoal filter.
Clean the sensors.
Replace the HEPA filter and the
activated charcoal filter.
Clean the Plasma unit.
Reset the intake grill, the HEPA filter
and the activated charcoal filter.
Replace with new batteries, or correctly set
the batteries observing the proper polarity.
12~13
14
14
8
13
8
Symptom
Cause Remedy
Symptom
Cause
The odor monitor does not change
even when an odor can be noticed
The sensitivity of the sensor differs depending on odor ingredients, and the
monitor display may at times remain unchanged.
● The following symptoms are not malfunctions.
Should the problem persist after having checked the above list, stop using the unit, remove the power plug and contact
your dealer of purchase or Mitsubishi Electric.
There is no air intake
Odor and smoke are
not completely
removed
Is the fan level lamp on?
(Is the power on?)
Is the power plug securely inserted into
the power outlet?
Are the sensors dusty?
During the Plasma deodorization, you may hear a small hissing noise or notice an ozone smell.
(The level of noise and degree of the smell of ozone will vary depending on the environment.
The generated ozone is of low concentration and is harmless to the body.)
The monitors do not change much
(Odor monitor, microdust monitor and
pollen monitor)
Is the room too large?
Use the unit within the range of the applicable floor area.
Checking monitor operation:
● Rub tissue paper in front
of the main unit to
discharge dust.
● Blow cigarette smoke.
If there is a large volume of dust or odor, it may
take some time for the air to become clean.
The monitor lamp flashes
The monitor lamp will flash until the sensors become stable, even if the
power is turned on immediately after inserting the power plug.
The monitor lamp flashes even when
the room is clean
The sensor may at times respond to a breeze from air conditioners within
the room, and gases that are unnoticeable to the human smell.
Is the unit operating in AUTO (NORMAL) mode?
The unit will stop operation when the air is clean.
Are the sensors dusty?
Fan noise and
vibration are louder
than before
Plasma deodorization
lamp flashes
There is an abnormal electrical
discharge.
Is the activated charcoal filter still
wrapped in plastic?
One of the following lamps flash:
FAN/POLLEN GUARD/NORMAL
Are the intake grill, the HEPA filter and
the activated charcoal filter properly set?
The remote controller
does not work
Main unit vibrates
heavily
Little monitor response
Is the unit installed on an unstable or
unlevel surface?
Install on a level and stable surface.
Is the HEPA filter or the activated
charcoal filter dirty?
12~13
Is the HEPA filter or the activated
charcoal filter dirty?
Remove the plastic and replace.
Have the batteries been completely depleted or are
the and of the batteries set correctly?
The air fan does not turn, or there
is no air discharge
A small hissing noise is heard, or there
is a smell of ozone during the Plasma
deodorization
Trouble-
shooting
15
Maintenance
Troubleshooting
Replacing the filters
Troubleshooting
Page 16
MITSUBISHI ELECTRIC AIR PURIFIER MA-EF503HS-U • MA-EF303HS-U
Specifications
Model
Power supply
Power consumption
Airflow volume
Room size
Weight
Dimension
(H×W×D)
Power cord length
MAX
HIGH
MED
LOW
MIN
MAX
HIGH
MED
LOW
MIN
MA-EF503HS-U
AC120V 60Hz
66W
28W
19W
17W
16W
160 CFM
102 CFM
65 CFM
46 CFM
34 CFM
233 Sq.FT 155 Sq.FT
13 ft × 18 ft 11 ft × 14 ft
17.1lbs (7.6 kg)
15-3/4" × 22-7/32" × 7-7/8"
(400mm × 564mm × 200mm)
8.2 ft (2.5m)
MA-EF303HS-U
36W
26W
19W
17W
16W
106 CFM
90 CFM
65 CFM
46 CFM
34 CFM
Safety devices
Accessories
Current fuse (2A), motor overheat protection device (operational temp: 212°F (100°C)),
abnormal electric discharge protection device
Remote controller (type AA battery × 2)
For more information, visit
www.plasmapure.com
or call 1-866-475-2762
PPIMA11/00-04K
T946Z023H01 00/11
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