Indicators - Mitsubishi Electric UL7400U User Manual

Indicators

This projector has 3 indicators, each of which shows the operation condition of the projector.
The following offer solutions to possible problems. If these problems persist, turn the projector off and consult your
dealer.
 Normal condition
POWER STATUS FILTER CONDITION
Off Off
Steady red
Blinking green Off
Off
Blinking green
Steady green
Off
Steady green
Off
Blinking green
 Replacement
POWER STATUS FILTER CONDITION
Blinking green/
Steady green Off
red
Off
Blinking red
Steady red
Off
Steady red
Off
Blinking red
Steady green
Off
Blinking red
Steady red
 Abnormal condition
POWER STATUS FILTER CONDITION
Off Off
Blinking green/
red
*4
Steady
or
*4
Blinking
Steady green Off Blinking orange
Steady red
or
Blinking orange Off
Steady green
Steady red Blinking green Off
*1: Duration when LAMP MODE of the INSTALLATION menu is set to LOW. When it is set to STANDARD, this duration will be shorted.
*2: Duration when LAMP MODE of the INSTALLATION menu is set to LOW. When it is set to STANDARD, this duration will be shorted
up to 3000 hours.
*3: When you press the POWER button on the projector or the remote controller, the STATUS indicator blinks red three times and
then resumes red illumination. During such a case, the power of the projector isn't turned on.
*4: Status of either or both of the indicators.
FILTER indicator
Power standby
Cooling mode
Lamp warmup mode
The power is on. (Normal condition)
The roll-up filter is working.
Lamp operation time warning. (Total lamp operation
*1
time reached 3000 hours while the power was on.)
Lamp operation time warning. (Total lamp operation
time reached 3000 hours *1 while the power was off.)
Lamp operation time warning. (Total lamp operation
time reached 4000 hours *2 .) *3
Filter replacement warning. (The filter has rolled 9
times while the power is on.)
Filter replacement warning. (The filter has rolled 9
times while the power is off.)
Abnormal
The roll-up filter isn't working correctly.
Abnormal temperature
The ventilation grilles are clogged with dust or dirt.
a heating appliance.
The lamp is in an abnormal condition.
EN-62
POWER indicator
STATUS indicator
NOTE
The power cannot be turned on by
pressing the power button.
The power cannot be turned off by
pressing the power button.
Don't turn off the power before the
indicators go out.
POSSIBLE SOLUTION
Replace the light source lamp.
Contact your dealer.
Prepare the new filter cartridge.
Contact your dealer.
POSSIBLE SOLUTION
(See pages 56 and 57.)
Unplug the power cord from the wall
outlet and contact your dealer.
place.
stop blinking green and then press
the POWER button.
not light up after carrying out the
above procedure several times,
replace the light source lamp.