Epson Powerlite 821p Multimedia Projector Users Guide

Maintaining and Transporting the Projector71
Cleaning and Replacing the Air Filter
Clean the air filter and air intake and exhaust vents on the bottom and 
rear of the projector after every 100 hours of use. If they are not 
cleaned periodically, they can become clogged with dust, preventing 
proper ventilation. This can cause overheating and damage the 
projector. When the filter and vents are clogged, the projector displays 
the message 
The projector is overheated. 
To clean the air filter and air...

72Maintaining and Transporting the Projector 4. If you need to replace the filter, slide it off, as shown.
5. Align the new filter carefully as you slide it into place. It should 
click into place.
Replacing the Lamp 
The projection lamp typically lasts for about 2000 hours of use 
(in high brightness mode) or 3000 hours (in low brightness mode). It 
is time to replace the lamp when: 
■The projected image gets darker or starts to deteriorate.
■The   lamp light is flashing orange. 
■The message Replace...

Maintaining and Transporting the Projector73
Contact your dealer or call Epson at (800) 873-7766 in the United 
States for a replacement lamp. Request part number V13H010L30.
In Canada, please call (800) 463-7766 to locate a dealer. 
Follow these steps to replace the lamp:
1. Press the P 
Power button twice to turn off the projector. When 
you hear the projector beep twice, unplug the power cord.
2. If the projector has been on, allow it to cool down for at least an 
hour (or until the lamp is cool). 
3....

74Maintaining and Transporting the Projector 6. Hold the lamp as shown and pull it straight out. 
7. Gently insert the new lamp. If it doesn’t fit easily, make sure it’s 
facing the correct way.
8. Once the lamp is fully inserted, tighten its screws.
9. Lower the lamp cover into place. (The opening should be almost 
covered, and the top of the cover should be flush with the top of 
the projector.) Then slide the cover closed and tighten the screw.
10. Reset the lamp timer as described in the next...

Maintaining and Transporting the Projector75
Resetting the Lamp Timer
You must reset the lamp timer after replacing the lamp to clear the 
Replace the Lamp warning message. Follow these steps:
1. Connect the power cable and turn on the projector.
2. Press the 
Menu button on the remote control or projector and 
select the 
Reset menu. Then press Enter. You see the following:
3. Select the 
Lamp-Hours Reset option and press Enter. You see 
the following:
4. Select 
Yes and press Enter.
5. Press 
Esc to...

76Maintaining and Transporting the Projector
Transporting the Projector
The projector contains many glass and precision parts. If you need to 
transport it, please follow these packing guidelines to prevent damage 
to the projector: 
■When shipping the projector for repairs, use the original 
packaging material if possible. If you do not have the original 
packaging, use equivalent materials, placing plenty of cushioning 
around the projector.
■When transporting the projector as freight or checked...

77
6
Solving Problems
This chapter helps you solve problems with your projector, and tells 
you how to contact technical support for problems you can’t solve 
yourself. This chapter explains the following:
■Using the projector’s on-screen help system
■What to do when the projector’s status lights flash
■Solving problems with the image or sound 
■Solving password problems
■Solving problems with the remote control
■Solving problems with the projector’s buttons
■Contacting technical support
Using On-Screen...

78Solving ProblemsFollow these steps to get help:
1. Press the 
? Help button on the remote control or projector. You 
see the help menu.
2. Use the   pointer button on the remote control or the up and 
down arrow buttons on the projector to select an option. Then 
press the 
Enter button to select it.
3. Use the   pointer button on the remote control or the up and 
down arrow buttons on the projector to highlight the problem 
you want to solve. Then press the 
Enter button to view the 
solution(s). 
4....

Solving Problems79
What To Do When the Lights Flash
The lights on top of the projector indicate the projector’s status and 
let you know when a problem occurs.
If the projector is not working correctly, first turn it off and unplug it. 
Then plug the power cord back in and turn on the projector. If this 
does not solve the problem, check the status lights on top of the 
projector and try the solutions recommended in the following table.
Lamp lightPower light
Temperature light 

80Solving Problems
Power
lightLamp
lightTemperature 
light Description
Red Flashing red  Flashing  red  There is an internal error in the projector. Turn the 
projector off and unplug it. Contact Epson for 
help.
Red Off Flashing red There is a problem with the fan or a sensor. Turn 
the projector off and unplug it. Contact Epson for 
help.
Red Flashing red Off The lamp is burned out, broken, or not installed 
correctly; or the lamp cover is open. Close the 
cover or replace or reseat the lamp, if...