Temperature Information - BenQ MP721 - XGA DLP Projector User Manual

9. Tighten the screw that secures the lamp.
• Loose screw may cause a bad connection,
which could result in malfunction.
• Do not over tighten the screw.
10. Connect the lamp connector to the projector.
11. Place the lamp cords back to the slots.
12. Replace the lamp cover on the projector.
13. Tighten the screw that secures the lamp cover.
• Loose screw may cause a bad connection,
which could result in malfunction.
• Do not over tighten the screw.
14. Restart the projector.
Do not turn the power on with the lamp cover removed.
15. Resetting the lamp counter
Do not reset if the lamp is not replaced as this could cause
damage.
i. Press and hold the Exit 5 button on the
projector for 5 seconds to display the total used
lamp time.
ii. Press Auto on the projector or on the remote
control to reset the lamp hour to "0".
iii. Wait about 5 seconds to let the OSD disappear.

Temperature information

When the Temperature warning light is on, it is warning you of the following possible
problems:
1. The internal temperature is too high.
2. The fans are not working.
Turn the projector off and contact qualified service personnel for further help. For more
detailed information, please refer to
50 Maintenance
"Indicators" on page
Lamp usage timer reset
0 Hours
Press "Auto" To Reset
51.