3M MP8660 - Manual (Page 25)

ENGLISH
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E 3M 1997
3M
t Multimedia Projector MP8660
Section 8: Troubleshooting
The MP8660 has been designed to be as simple and trouble-free to use as possible. If you should run into
problems operating the projector, please review the troubleshooting information below.
Problem Probable Causes Solution
Power does not come on Power not connected.
Rear cover is open.
Plug power cord into an electric
outlet.Turn power switch to “ON.”
Close cover door tightly.
No picture and sound Input connections not properly
installed. Set the projector to the correct
input source.Check all cable
connections from input source to
projector.Make sure the input
source power is on.
Picture displays but no sound Cable connections loose and/or
volume adjustment needed. Check all cable connections from
input source to projector.Press
VOLUME then + on the remote
control.Press the MUTE button on
the remote control.
Sound but no picture Cable connections loose and/or
picture adjustment needed.
BLANK button has been pressed.
Check all cable connections from
input source to projector. Adjust
the picture brightness. Press
MENU, then press SELECT.
Press BLANK button to restore
picture.
Weak saturation Picture adjustment needed. Adjust picture color and tint (video
only). Press MENU, then press
SELECT.
Picture is dark Picture adjustment needed Adjust the picture brightness and
contrast. Press MENU, then press
SELECT.Lamp may need
replacement. Call customer
service for assistance. See
Service Information below.
Picture is not sharp and clear Picture adjustment needed. Adjust focus, H-size (RGB) and
phase. Press MENU, then press
SELECT.
WARNING is flashing on the
projection screen Projector is overheating. Turn the projector off and let it cool
for 30 minutes. Clean the air filter
and check all ventilation holes for
blockage.
LAMP indicator red, Power-On
indicator amber Problem with lamp has been
detected. Turn the power off and let the
projector cool. If the LAMP
indicator comes on again, replace
the lamp. If problem continues,
call service.
“Change Lamp” message
displays when projector is
powered on Lamp has been used for
recommended 1000 hours. The Change Lamp message will
display for 30 seconds after power
on when the lamp clock reaches
1000 hours. This lamp is old and
should be replaced.