PT-DZ16KU, PT-DZ16KE, PT-DS16KD (serv.man14) - Panasonic Projector Other Service Manuals (repair manual). Page 22

SECTION 1  SERVICE  INFORMATION

<PT-DZ16K>

1. The air filter is clogged with dust, causing the filter replacement message to appear on the screen and 
     the filter indicator <FILTER> to light in red.  In such a case, clean the air filter unit.
2. The proceeds of the air filter clogging, becomes hot of projector inside, and <TEMP>indicator is lit , power shut down.
    Then <FILTER>Indicator remains red , <TEMP> indicator will flash (twice) red.
3. Indication of cleaning is 10,000 hours. but varies greatly depending on the usage environment.
    If dirt does not come off even if the unit is maintained, it is time for the unit to be replaced.

1. Make sure to turn off the power before replacing the air filter unit.
2. Loosen the lamp unit cover fixing screw (one screw) until it turns freely, then remove the Air filter cover, 
    pull out the air filter unit.

3. Clean and dry the air filter unit.

1) Soak the air filter unit in cold or warm water and then lightly rinse it.

・

Do not use cleaning tools such as brushes.

2) Rinse the unit two to three times using fresh water each time.

Air filter unit

Air filter cover

Air filter cover fixing screw

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3) Let the unit naturally dry off in a well-ventilated place where there is 
    little dust and the unit is protected from direct sunlight.

・

Make sure that it is sufficiently dry before reinstalling it to the projector.

・

Do not dry using drying devices such as dryers.

(Please read the page "Maintenance/Replacement" on the instruction book to know about details.)

4. After cleaning the air filter unit, install the filter unit and the air filter cover.

・

The air filter unit has no difference between top and bottom, but is two-sided. 

・

Match the protrusion position of the air filter with the grooves on the projector body.

To revert to the factory default password (AAAA), perform the following operations while the screen asking
for a control device password input is displayed.
1. Press the <AUTO SETUP> button on the remote control or control panel for at least two seconds.
2. Press ▼ for at least two seconds.

Groove on the projector body

Protrusion of the air filter unit

Air filter unit

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