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Table of Contents
Page 5
3M
1700 Operator
’
s Guide
Troubleshooting
Problem Probable Causes Solution
A new lamp has been installed and
neither lamp nor fan energize
a. Projector not plugged in
b. No power at wall outlet
c. Top cover not completely closed
Make sure unit is plugged into
outlet supplied with power, top
cover is completely closed and
latched.
Lamp does not illuminate but fan
motor runs
a. Lamp is not seated properly in
socket
b. Lamp is burned out
Seat lamp fully and squarely into
the lamp socket. If lamp still does
not illuminate, replace it.
After replacing a burned out lamp,
the new lamp fails
a. Defective lamp was installed
b. Possible electrical problem
Replace lamp again. If second
lamp fails immediately, you may
have an electrical problem. Call
service to have projector checked.
Short lamp life. Lamps seem to
fail before expected life span of
130 hours (typical)
a. Defective lamp
b.
High line voltage
Monitor actual lamp life with daily
log. If early lamp failure continues,
call service to have projector
checked.
Fan motor does not run but lamp
illuminates
a. Fan blade/motor is obstructed
b. Fan motor is burned out
Call service to have projector
checked.
Projected image is wider at the top
or on one side of the screen
Screen surface is not
perpendicular to projected
image
Tilt projection screen until it is
perpendicular (90
_) to the
projected image.
Projected image is dim Dirty stage glass, lenses or
optical surfaces
Follow cleaning instructions to
remove surface dirt.
Projected image does not have
uniform brightness
Lamp is not seated properly in
socket
Seat lamp squarely into the lamp
socket.
Color, focus, image problems Optics out of alignment Call for service.
Service Information
In the U.S. and Canada, please call us for:
D Product information
D Product assistance
D Technical assistance
D Service locations
If you need product assistance or service, contact
your dealer or:
1-800-328-1371