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Troubleshooting Your Projector 37
Self-diagnostic for Video
Dell 2400MP Projector provides a self-diagnostic test of the projector video display
(for Video, S-video, Component-i). Use this advanced feature for preliminary self-
diagnostic on your projector when you encounter a display problem for video.
1
After turning on the projector, press "+" and "-" buttons on the control panel
simultaneously for 3 seconds and release the buttons when screen goes blank.
2
Press "+" and "-" buttons again to exit the diagnostic mode.
3
While in Self-diagnostic mode, the screen will run a seven-color-cycle test as
following:
Red--> Green--> Blue--> White--> Watchet Blue--> Dark Green--> Yellow.
Ensure that the colors of the test pattern are correct. Contact Dell if the colors are
not displayed correctly.
Changing the Lamp
Replace the lamp when the message "Lamp is approaching the end of its useful life
in full power operation. Replacement suggested! www.dell.com/lamps" appears on
the screen. If this problem persists after replacing the lamp, contact Dell. For more
information, see "Contacting Dell".
CAUTION: The lamp becomes very hot when in use. Do not attempt to replace
the lamp until the projector has been allowed to cool down for at least 30
minutes.
1
Turn off the projector and disconnect the power cord.
2
Let the projector cool for at least 30 minutes.
3
Loosen the 2 screws that secure the lamp cover, and remove the cover.
CAUTION: If the lamp has shattered, be careful as broken pieces are sharp
and can cause injury. Remove all broken pieces from the projector and
dispose or recycle according to state, local, or federal law. Go to
www.dell.com/hg for additional information.
4
Loosen the 2 screws that secure the lamp.
CAUTION: Do not touch the bulb or the lamp glass at any time. Projector
lamps are very fragile and may shatter if touched.