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Panasonic PT-FW430U User Manual

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70
 - ENGLISH
Maintenance
Replacement
Before replacing the unit
When you perform maintenance or replacement of the parts, make sure to turn off the power and disconnect 
 
z
the power plug from the wall outlet. (
Æ
pages 28, 30)
Be sure to observe the procedure “Powering off the projector” (
 
z
Æ
page 30) when performing power supply 
operation.
Maintenance
Outer Case
 
J
Wipe off dirt and dust using a soft dry cloth.
If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector 
 
z
with a dry cloth.
Do not use benzene, thinner, or rubbing alcohol, other solvents, household cleaners, or chemical treated 
 
z
dusters. Using them may cause deterioration of the outer case.
Front glass surface of the lens
 
J
Wipe off the dirt and dust off the front surface of the lens with soft clean cloth.
Do not use a cloth that has an abrasive surface or a cloth that is moist, oily, or covered with dust.
 
z
Do not use excessive force when wiping the lens as it is fragile.
 
z
Attention
The lens is made of glass. Impacts or excessive force when wiping may scratch its surface. 
 
z
Please handle with care.
 
J
Air filter
Perform the maintenance of the air filter unit in following cases.
The filter mesh is blocked, causing the filter replacement message to appear on the screen and the <FILTER 
 
z
Indicator> to light in red.
The filter mesh is blocked, causing the internal temperature to rise, the <TEMP Indicator> to light, and the 
 
z
power to shut off. (When the power is shut off, the <TEMP Indicator> blinks in red and the <FILTER Indicator> 
blinks faster than usual.)
Use a Phillips screwdriver to loosen 
1 ) 
the air filter cover screw until it turns 
freely. Then, remove the air filter cover
Remove the air filter unit 
2 ) 
Hold the knobs on the front of the unit and pull 
 
z
the unit towards you.
Clean and dry the air filter unit
3 ) 
Cleaning the air filter unit
 
z
(1) Soak the air filter unit in the water (cold or 
warm) and rinse lightly.
Do not use brushes or other cleaning tools.
• 
When you rinse the air filter unit, hold the 
• 
frame of the air filter unit and do not apply 
excessive force to the filter portion.
(2) Rinse the filters two or three times, changing 
the water each time.
Insufficient rinsing may result in odors.
• 
Air filter cover screw
Air filter cover
Knobs
Air filter unit