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3M™ Digital WallDisplay
©3M 2003. All Rights Reserved.
Troubleshooting
Common Problems and Solutions
Continued on next page
Symptom
Power cannot be
turned on.
No picture or
sound.
The lamp will not
ignite or has
turned off.
The projection
arm opens, then
closes.
Sound is heard
with no picture.
Picture is
displayed with no
sound.
Picture is dark.
Cause
The power cord is disconnected.
The Master Power Switch is not
turned on.
The arm facade is not in place.
The desired input source is not
selected.
The cables from the input source are
not connected.
The input source is not turned on or
not displaying an image. (e.g. If a
notebook computer, the external
monitor port is not turned on.)
The internal temperature is too high.
The lamp has reached maximum life or
has prematurely failed.
The lamp will not ignite.
The VGA/Video cables are not
connected.
The VGA/Video/Audio cables are
connected to the wrong input.
The VGA/Video cables are not
connected.
The audio cables are connected to the
wrong input.
The volume is set to Minimum.
The
Mute is on.
The
Colorful—Bright setting must be
adjusted.
The lamp needs to be replaced.
Solution
Insert the power cord into an AC
socket.
Turn on the Master Power Switch.
Make sure the arm facade is in
place.
Press the remote control Input
button to select a desired input
source.
Connect the cable to correct input
source.
Turn on input source.
Clear blocked ventilation holes.
Replace lamp.
Replace lamp.
Connect the cables to the correct
input source.
Connect the cables to the correct
input source.
Turn up
Volume.
Turn off
Mute.
Adjust Colorful—Bright slider
setting.
Replace lamp.