Temperature Information - BenQ PB8253 User Manual

• Do not insert your hands into the projector after the lamp is removed. If you touch the
optical components inside, it could cause color unevenness and distortion of the
projected images.
6. Insert the new lamp. Ensure the handle is fully laid flat and locked in place. Reinsert
and tighten the screw firmly.
• A Loose screw may cause a bad connection, which could result in malfunction.
• Do not over tighten the screw.
7. Re-install the lamp cover and tighten the
screws.
8. Make connection to a signal source to be
displayed. Start up the projector. (See
"Connection" on page 22
page 30 for turning the power on.)
• Do not turn the power on with the lamp cover
removed. Whenever the lamp is replaced,
reset the total lamp operation timer.
• Do not reset if the lamp is not replaced as this
could cause damage.
9. Reset the lamp counter
i. Press and hold
projector for 3 seconds to display the
total used lamp time.
ii. Press
MENU on the remote control to
access the lamp hour timer. An
adjustment message will display.
iii. Press
projector or remote control to reset lamp hours and press

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. Dust filters are clogged.
3. The fans are not working.
Turn the projector off, check that the dust filters are clean. If the problem persists, contact
qualified service personnel for further help.
For more information, refer to
52 Maintenance
and "Start up" on
Exit on the
Menu on the projector or
Left/ Right on the
"Indicators" on page 53
Exit to leave.