BenQ PB9200 - Manual (Page 47)

Troubleshooting 41
Related Messages (continued)
Message Description
CLEAN THE AIR FILTER
POWER OFF FIRST,
THEN CLEAN THE AIR
FILTER.
AFTER CLEANING THE AIR
FILTER,
RESET THE FILTER TIMER.
The time the filter timer has counted has reached
100 hours.
Please clear or change the air filter by referring to
the section “Air Filter”. After caring for the air filter,
please be sure to reset the filter timer.
CHECK THE AIR FLOW
The internal portion temperature is rising.
Please turn the power OFF, and allow the unit to
cool down at least 20 minutes. After the projector
has sufficiently cooled down, please make confir-
mation of the following items, and
then turn the
power on again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Does the peripheral temperature exceed 35°C?
There is no input signal.
Please confirm the signal input connection, and the
status of the signal source.
The horizontal or vertical wavelength of the
inputted signal is outside of the response
parameters of this unit.
Please confirm the specs for this unit or the signal
source specs.
NO INPUT IS DETECTED
ON ***
SYNC IS OUT OF RANGE
ON *** fH *****kHz fV *****Hz
PB9200-e.book Page 41 Thursday, May 27, 2004 2:15 PM