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Troubleshooting - Mitsubishi Electric DLP UD8400U User Manual

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Troubleshooting

Before asking for repair of the projector, check the following. If the symptom persists, stop using the projector, be
sure to unplug the power plug, and then contact your dealer.
No image appears on the screen.
Problem
Power can not be
turned on.
No image appears on
the screen.
Power turns off.
Solution
POWER LAMP 1 LAMP 2 STATUS FILTER
Off
Off
Off
Off
Off
Off
Off
Steady red
Blinking green*
Steady red*
Blinking
Off
Off
red/green
*: Status of either or both of the indicators.
and then try again.
the fan may start rotating and the POWER button may not work after the main power
switch is turned on. After the fan stops rotating, press the POWER button to turn back
on the POWER indicator.
When an extension cable is being used, replace it with the supplied cable for check.
When images are displayed correctly, add an RGB signal amplifier to the extension cable.
such a case, the STATUS indicator brinks orange.)
 Remove the objects blocking the intake vent and/or exhaust vents and then carry
out the following procedure.
1. Wait for the intake fan and/or exhaust fan to stop. (Wait until the STATUS indicator
goes out.)
2. Turn off the main power switch.
3. Wait about 10 minutes.
4. Turn on the main power switch.
5. Press the POWER button.
replaced. Replace the lamp that is being indicated by the indicator.
Solution
Off
Off
remove them and carry out the following.
1.
Turn off the main power switch.
Off
Off
2.
Make sure that the projector has cooled off.
3.
Turn on the main power switch.
4.
Press the POWER button.
remove them.
Blinking
from a heating appliance.
Off
orange
 Clean the filter. (See page 66.)
and then press the POWER button.
rotating, the lamp may not turn on about 2 minutes when
Off
Off
the main power switch is turned on next time.
The lamp can't turn on again for 2 minutes after it goes out.
illuminating indicator. (The time for replacing the light
Off
Off
source lamp has come.)
replacement cover.
Off
Off
contact your dealer.
Steady*
or
Blinking*
EN-67

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