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3M™ Digital WallDisplay
© 3M 2004. All Rights Reserved.
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Troubleshooting
Troubleshooting
Common Problems and Solutions
Symptom
Cause
Solution
Power cannot be turned on.
The power cord is disconnected.
Insert the power cord into an AC
socket.
The
Master Power Switch
is not
turned on.
Turn on the
Master Power
Switch.
The arm facade is not in place.
Make sure the arm facade is in
place.
No picture or sound
The desired input source is not
selected.
Press the remote control Input
button to select a desired input
source.
The cables from the input source
are not connected.
Connect the cable to correct input
source.
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.)
Turn on input source
The lamp will not ignite or has
turned off.
The internal temperature is too
high.
Clear blocked ventilation holes.
The lamp has reached maximum
life or has prematurely failed.
Replace lamp.
The projection arm opens, then
closes.
The lamp will not ignite.
Replace lamp.
Sound is heard with no picture.
The VGA/Video cables are not
connected.
Connect the cables to the correct
input source.
The VGA/Video/Audio cables are
connected to the wrong input.
Picture is displayed with no sound
The VGA/Video cables are not
connected.
The audio cables are connected to
the wrong input.
Connect the cables to the correct
input source.
The volume is set to Minimum.
Turn up
Volume
.
The
Mute
is on.
Turn off
Mute
.
Picture is dark.
The
Colorful—Bright
setting must
be adjusted.
Adjust
Colorful—Bright
slider
setting.
The lamp needs to be replaced.
Replace lamp.