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3M
Multimedia Projector MP8020
1996
Section 8: Troubleshooting
The MP8020 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
Possible Solutions
Power does not come on
D
Power cord must be plugged into an electric outlet.
D
Power switch must be turned on.
No picture and sound
D
Set the projector to the correct input source.
D
Check all cable connections from input source to projector.
D
Make sure the input source power is on.
Picture displays but no sound
D
Check all cable connections from input source to projector.
D
Press the + button on the remote control keypad to increase the volume.
D
Press the MUTE button on the remote control keypad.
Sound but no picture
D
Check all cable connections from input source to projector.
D
Adjust the picture brightness. Press the MENU button on the remote control
keypad.
Weak color, incorrect tint
D
Adjust the picture color and tint. Press the MENU button on the remote control
keypad.
Picture is dark
D
Adjust the picture brightness and contrast. Press the MENU button on the
remote control keypad.
D
Lamp may need replacement. Call customer service for assistance. See Service
Information below.
Picture is not sharp and clear
D
Adjust focus from projector panel or remote control.
LAMP indicator is solid red
D
Turn the power off and let the projector cool. If the LAMP indicator comes on
again there may be a problem with the lamp. Call customer service for
assistance. See Service Information below.
LAMP indicator is blinking red
D
Check the air cleaner to make sure it is fully closed and latched.
TEMP indicator is red
D
Turn the projector off and let it cool. Check the ventilation holes for blockage.
Remote control does not operate
D
Replace old batteries with fresh AAA batteries.
D
The polarity of the batteries (+/–) must match the decal on the remote control.
D
Point the remote control toward the projection screen so the signal will bounce
back to the projector. Also make sure the remote control sensor on the front of
the projector is not blocked from receiving the signal.
8-1. Service Information
For product information, product assistance, service information, or to order accessories, please call:
In U.S. or Canada:
800-328-1371
In other locations, contact your local 3M Sales office.
