Mitsubishi Electronics XL2550U user manual Kensington Lock, Others Problem Solution

Troubleshooting (continued)

Images are not displayed correctly. (continued)

Problem	Solution
Only the motion areas	• This is caused by the computer being used. Contact the manufacturer of your
in the images supplied	computer.
from the computer
aren’t displayed.
Projected images are	• Match the output resolution of your computer with the resolution of the projector. For
obscured.	the method to change the output resolution of the computer, contact the manufacturer
	of your computer. (See page 45.)
	• Some images and texts appear obscured during the keystone adjustment. In such
	cases, use the projector without applying the keystone adjustment. (See page 21.)
Noise appears around	• In some images such as DVD, noise may appear around the recorded image. In this
the image.	case, decrease the setting value of OVER SCAN of the SIGNAL menu. (See page 26.)
Others
Problem	Solution
The exhaust vents	• This air comes out after cooling the inside of the projector. You may feel hot, but this
emit warm air.	is not a malfunction.
No audio is output.	• Check that the volume isn’t set to low.
The menu can’t be	• The microcomputers inside the projector may be wrongly operating because of noise.
used.	J Press the POWER button to turn off the lamp and unplug the power cord from the
	wall outlet. Wait about 10 minutes, plug the power cord in, and try again.
“TEMPERATURE!!” is	• This indication appears when the ambient temperature rises high. When the ambient
displayed.	temperature stays high, the lamp goes out.
	J Eliminate any causes of the rise in the ambient temperature.
	• This indication appears when the air inlet or outlet grille is blocked. When they are
	kept blocked, the lamp goes out.
	J Remove the objects blocking the air inlet or outlet grille.
The mark appears.	• This mark appears when ineffective operation is carried out. This isn’t a product
	malfunction.
The remote control	• Check that the batteries are loaded in the remote control or the batteries are not weak.
doesn’t function easily or	(See page 6.)
at all.	• Check that the remote control sensor isn’t exposed to direct sunlight or fluorescent
	light. (See page 9.)
	• Use the remote control within its operation range. (See page 9.)
	• Use the remote control at least 10 cm away from the projector.
The buttons on the	• PASSWORD FUNCTION in the FEATURE menu has been set to MENU ACCESS	to
control panel (except	enable the password lock.
for the POWER button)	J Cancel the password lock or contact the person in charge of management of the
don’t function.
	projector. (See page 33.)

If the following problem occurs after the lamp is replaced, check the following first.

Problem	Solution
The projector does not	• Fit the lamp cover securely. (See pages 38 and 39.)
turn on.	•	Reset the lamp operating time. (See page 39.)
The STATUS indicator	•	Reset the lamp operating time. (See page 39.)
blinks.

Kensington Lock

This projector has a Kensington Security Standard connector for use with Kensington MicroSaver Security System. Refer to the information that came with the Kensington System for instructions on how to use it to secure the projector. Please contact Kensington Technology Group below.

Kensington Technology Group 2855 Campus Drive

San Mateo, CA 94403, U.S.A.

Phone: +1- (650)572-2700 Fax: +1- (650)572-9675

EN-43