Mitsubishi Electronics HD4000 user manual Troubleshooting, EN-36, Others Problem Solution

Troubleshooting (continued)

Images are not displayed correctly. (continued)

Problem	Solution
Images of WXGA	• Some signals may be recognized as XGA60 signal by mistake. When an image is not
signal are not	displayed carrying out the following operations, the signal may be an inapplicable
displayed correctly.	signal. In such cases, change the signal format of computer.
	1. Set WXGA in the FEATURE menu to AUTO.
	2. Display an image with many characters such as HELP menu and press the AUTO
	POSITION button.
It takes abnormally	• When WXGA in the FEATURE menu is set to AUTO, it may take long time to detect
long time to display	WXGA signal or may cause misclassification of signals. In such cases, set it to OFF.
images of signals
other than WXGA, or
the images are not
displayed correctly.
Others
Problem	Solution
The exhaust vents	• This air comes out after cooling the inside of the projector. You may feel hot, but this is
emit warm air.	not a malfunction.
The menu can't be	• The microcomputers inside the projector may be wrongly operating because of noise.
	Press the POWER button to turn off the lamp and unplug the power cord from the
used.
	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.
	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.
	Remove the objects blocking the air inlet or outlet grille. Clean the filter, if clogged.
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	(See page 6.)
or 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 en-
control panel (except	able the password lock.
for the POWER button)	Cancel the password lock or contact the person in charge of management of the
don’t function.	projector. (See page 30.)
Abnormal sound is	• Because the color wheel spins at a high speed, metallic sounds may be heard in rare
heard.	occasions. Such symptom is not a malfunction.

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 32 and 33.)
turn on.	•	Reset the lamp operating time. (See page 33.)
The STATUS indicator	•	Reset the lamp operating time. (See page 33.)
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-36