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© 3M 2011. All Rights Reserved.
3M™ Digital Projector X56
Troubleshooting
Regarding the indicator lamps (continued)
• When the interior portion has become overheated, for safety purposes,
the projector is automatically shut down, and the indicator lamps may also be
turned off. In such a case, disconnect the power cord, and wait at least 45 minutes.
After the projector has suf ciently cooled down, please check the lamp connection
and lamp door, and then turn the power on again.
NOTE
POWER
indicator
LAMP
indicator
TEMP
indicator
Description
Blinking
In Red
or
Lighting
In Red
Turned
off
Lighting
In Red
There is a possibility that the interior portion
has become heated.
Please turn the power off, and allow the projector to cool down at least
20 minutes. After the projector has suf ciently cooled down, please make
con rmation of the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air lter dirty?
• Does the peripheral temperature exceed 35°C?
• Is the setting for FAN SPEED appropriate?
For details on FAN SPEED, refer to FAN SPEED of SERVICE in the
OPTION menu (
59). If the projector is used with a wrong setting,
it may cause damage to the projector itself or the parts inside.
Lighting
In Green
Simultaneous
blinking in Red
It is time to clean the air lter.
Please immediately turn the power off, and clean or change the
air lter referring to the section Cleaning and replacing the air
lter. After cleaning or changing the air lter, please be sure to
reset the lter timer.
Lighting
In Green
Alternative
blinking in Red
There is a possibility that the interior portion
has become overcooled.
Please use the unit within the usage temperature
parameters (5°C to 35°C).
Blinking In
Green for
approx. 3
seconds.
Turned
off
Turned
off
At least 1 Power ON schedule is saved to the
projector.
Please refer to 3.7 Schedule Settings in the Network
Guide.
Shutting the projector down
Only when the projector can not be turned off by usual
procedure (
18), please push the shutdown switch using
a pin or similar, and disconnect the power plug from the
power outlet. Before turning it on again, wait at least 10
minutes to make the projector cool down enough.
Resetting all settings
When it is hard to correct some wrong settings, the FACTORY RESET function of
SERVICE item in OPTION menu (
63) can reset all settings (except settings such
as LANGUAGE, LAMP TIME, FILTER TIME, FILTER MESSAGE, SECURITY and
NETWORK) to the factory default.
Shutdown switch
