Operation Manual
30
3M
™
Digital Media System 700 Series
© 3M 2007. All Rights Reserved.
ENGLISH
Troubleshooting
Lighting or
blinking in red
Turned off Blinking in
red
The cooling fan is not operating. Turn the power
OFF and wait at least 20 minutes. After the unit has
sufficiently cooled down, please make confirmation
of the following item, and then reset the power to
ON.
• Is there foreign matter caught in the cooling fan?
Lighting or
blinking in red
Turned off Lighting in
red
There is a possibility that the interior portion has
become heated. Turn the power OFF and wait at least
20 minutes. After the unit has sufficiently cooled
down, please make confirmation of the following
items, and then reset the power to ON.
• Is there blockage of the air passage aperture?
• Is the air filter is dirty?
• Does the peripheral temperature exceed 35˚C?
Lighting in green Turned off Alternative
blinking in
the red
There is a possibility that the interior portion has
become overcooled. Please use the unit within the
usage temperature parameters (0˚C to 35˚C). After
the treatment, reset the power to ON.
Lighting in green Turned off Simultaneous
blinking in
red
It is time to clean the air filter, or there is no air filter.
Please immediately turn the power OFF, and clean
or change the air filter by referring to the "Air Filter"
section of this manual. After you have cleaned or
changed the air filter, please be sure to reset the filter
timer. After the treatment, reset the power to ON.










