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Symptom Cause Solution
TEMP indicator Air vent(s) clogged Allow projector to cool; clear
obstructions from vents
Clean or replace filter as
necessary
Internal fan failure Allow projector to cool; check
for fan and blower operation;
service if necessary
Bottom air-filter door Close bottom air-filter door
is open
Remote control Batteries upside-down Check battery placement or
does not work or old replace with new batteries
Projector infrared Remove object obstructing
receiver window infrared receiver on front
blocked of the projector
Out of range Move within 20 feet and
within a 30° angle to the
front of the projector
Remote control does not Serial cable not Connect cable
work as a mouse control connected
Wrong mouse driver Use Microsoft serial mouse
installed driver
Projector turned on Turn on projector,
out of sequence connect cable, and turn on
computer
The mouse cursor Windows does not Open the projector menus
does not appear detect a mouse and choose OPT.
in Windows connected to the Select COM Speed and make
computer sure it is set to 1200 baud
Select COM Bits and make
sure it is set to 7N1
Restart Windows
54 Troubleshooting