Troubleshooting - Mitsubishi Electric XL7100U User Manual

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
• Check whether the indicators are on or off and how they are lightning.
POWER STATUS FILTER
Off Off Off
Off Off
Blinking
Off
orange
Steady red
Blinking
Off
green
Steady
Off
red
Off Off
Blinking
Steady*
red/green or
Blinking*
*: Status of either or both of the indicators.
• Press the BLANK button to cancel BLANK.
• Check that the lens cap is removed.
• It may take about 1 minute for the lamp to light up.
• The lamp fails to light up on rare occasions. In such a case, wait for a few minutes
and then try again.
• If the projector was turned off before the lamp was cooled down sufficiently last time,
the fan may start rotating and the POWER button may not work after the power cord
is plugged. After the fan stops rotating, press the POWER button to turn back on the
POWER indicator.
• Set SCART INPUT in the FEATURE menu to OFF. (See page 35.)
• Check that the intake vent is clean.
• Check that the cables connected to the external devices are not broken.
• 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.
• This problem may occur when the intake vent and/or exhaust vents are blocked. (In
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. Unplug the power cord from the wall outlet.
3. Wait about 10 minutes.
4. Plug the power cord into a wall outlet.
5. Press the POWER button.
• When the STATUS indicator is steady red, it is indicating that the lamp should be
replaced. Replace the lamp in this case.
• Check that AUTO POWER OFF has been set to OFF.
• If the lamp has deteriorated, it may go out after a while it illuminates.
Solution
• Connect the power cord to the projector.
• Plug the power cord into a wall outlet.
• If any objects are blocking the air inlet or outlet grille, remove them and
carry out the following.
1. Unplug the power cord from the wall outlet.
2. Make sure that the projector has cooled off.
3. Plug the power cord into a wall outlet.
4. Press the POWER button.
• If any objects are blocking the air inlet or outlet grille, remove them.
• Don't expose the air outlet grilles to hot air emitted from a heating
appliance.
• Check whether the filter is dirty or not.
→ Roll the filter. (See page 56.)
• Wait until the STATUS indicator stops blinking green and then press the
POWER button.
• If you unplug the power cord while the fan is rotating, the lamp may not turn
on about 2 and a half minutes when you plug the power cord next time.
• The lamp can't turn on again for 2 and a half minutes after it goes out.
• Press the POWER button several times.
• Replace the light source lamp. (The time for replacing the light source
lamp has come.)
• Attach the lamp cover, filter cover, roll-up filter, and lens.
• Unplug the power cord from the wall outlet and contact your dealer.
EN-58