Temperature Information - BenQ Installation Series User Manual

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 page
"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
Exit to leave.
"Indicators" on page 53