High End Systems DL.2 User Manual

CHAPTER 17 

Maintenance and Troubleshooting

214

DL.2 Digital Light User Manual

9. If the HEPA filter is discolored with particulates, replace it with the part listed in Related 

Products and Optional Accessories on page 4.

Place HEPA 
filter with gasket 
against plenum

10. Reinstall the HEPA Filter with the rubber gasket 

down.

11. Reattach the filter bracket with the two philips pan 

screws.

12. Replace the prefilter over the bracket on velcro 

tabs.

13. Replace the top cover, fastening it with the two 

quarter-turn screws.

14. Carefully replace the rear bezel, making sure to  

position (but do not force) the gasket against the  
lamp cover located on the back of the projector.  
and Relatch the rear bezel assembly.

Gasket

Internal projector air filters prevent dust from 
accumulating on surface of Projection Lens and 
Projection Mirror. If the projector Air Filter becomes 
clogged with dust particles, it will reduce the cooling 
fans' effectiveness and may result in an internal heat 
build up that can shorten projector life. 

Projector
Filters

Filter 
Removal
Tool

Clean the projector air filter using the following steps: 

1. Disconnect the fixture from power. 

2. Rotate and lock the fixture head in the or 90° tilt 

position.

3. Unlatch and remove the rear bezel.

4. Loosen two quarter-turn screws to remove the 

bottom cover and locate the filter removal tool 
mounted on the chassis.

5. Loosen the 2 phillips head screws to remove the tool and use it

Loosen screws to 
remove tool

 to 

grasp and lift the two air filters from the internal projector.

6. Clean air filter with compresses air, a brush or wash out dust and 

particles with mild soap and water.

7. If the filter damaged, replace it only with the part listed in Related 

Products and Optional Accessories on page 4.

8. Replace completely dry filters in slot. The filters are keyed for positioning. Make sure that 

both filters are fully inserted.