3M X68 User Manual
Page 45
45
Troubleshooting
Regarding the indicator lamps (continued)
POWER
indicator
LAMP
indicator
TEMP
indicator
Description
Blinking
In
Red
or
Lighting
In
Red
Turned
off
Blinking
In
Red
The cooling fan is not operating.
Please turn the power off, and allow the projector to
cool down at least 20 minutes. After the projector has
sufficiently cooled down, please make confirmation
that no foreign matter has become caught in the fan,
etc., and then turn the power on again.
If the same indication is displayed after the remedy,
please contact your dealer or service company.
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
sufficiently cooled down, please make confirmation of
the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the remedy,
please set FAN SPEED of the SERVICE item in the
OPTION menu to HIGH.
Lighting
In
Green
Alternative
blinking in
Red
There is a possibility that the interior portion
has become overcooled.
Please use the projector within the usage temperature
parameters (5°C to 35°C). After the remedy, reset the
power to ON.
Lighting
In
Green
Simultaneous
blinking in
Red
It is time to clean the air filter.
Please immediately turn the power off, and clean or
change the air filter referring to the section “Air Filter”.
After cleaning or changing the air filter, please be sure
to reset the filter timer. After the remedy, reset the
power to ON.
NOTE • When the interior portion has become overheated, for safety
purposes, the power source is automatically turned off, and the indicator lamps
may also be turned off. In such a case, press the “” (OFF) side of the power
switch, and wait at least 45 minutes. After the projector has sufficiently cooled
down, please make confirmation of the attachment state of the lamp and lamp
door, and then turn the power on again.