High End Systems DLHD High Definition Digital Light, User Manual

Page: 287 / 318

CHAPTER 17
Maintenance and Troubleshooting
DLHD Digital Light User Manual 265
Check the following warnings and cautions before servicing the filters:
Cleaning the Base Housing Filter
This filter is located between the handles on the fan side of the box. You can pull it off the fixture
and clean it with soap and water. Allow it to dry thoroughly before replacing.
Replacing the Fixture Filter
A HEPA filter and a prefilter
are located inside the fixture
head and should be replaced
whenever they become
discolored from particulates or
when the Menu displays FILTER
Service ERROR or FILTER
Service WARN.
Access the fixture filters:
1. Lock the fixture head in
the 90
°
tilt position.
2. Unlatch and remove the
rear bezel assembly.
3. Loosen the two captive
phillips-head screws on the
top cover and remove the
top cover.
4. Slide the top cover back
to free it from the front
bezel.
Inspect the filters:
5. Lift the prefilter away from
the filter bracket
6. Remove the two phillips pan
screws securing the filter bracket and lift the filter unit off the fixture.
WARNINGS!
Disconnect power before servicing.
Replace fuses with the specified type and rating only.
CAUTION!
Do not operate a projector with Air Filter removed. Dust may
accumulate on LCD Panel and Projection Mirror degrading
projection quality.
Do not put small parts into Air Intake Vents. It may result in
malfunction of a projector.
Loosen
Top cover
Filter bracket
Filter
Rear Bezel
Open Latches
Tilt lock
Remove
Pull base housing filter away
Pre-filter
screws to
top cover
philips screws
and lift filter
bracket
to remove
bezel
from fixture to clean
Quarter-turn
remove