Mitsubishi Electronics HC6800 Troubleshooting, EN-40, No image appears on the screen, Problem

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	Solution
Power can not be	• Check whether the indicators are on or off and how they are lightning.
turned on.	POWER	STATUS Solution
				•	Connect the power cord to the projector.
	Off		Off	•	Plug the power cord into a wall outlet.
				•	Turn on the main power switch.
				•	If any objects are blocking the air inlet or outlet grill, re move them and carry out the
					following.
			Off		1.	Turn off the main power switch.
					2.	Make sure that the projector has cooled off.
					3.	Turn on the main power switch.
					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.
		Blinking
				•	Check whether the filter is clogged with dirt or dust.
	Steady red	orange
					Clean the filter, if clogged. (See page 39.)

•After the STATUS indicator stops blinking, press the POWER button.

						• If the main power switch is turned off while the fan is rotating, the lamp may not turn on about 1
		Blinking				minute when the main power switch is turned on next time.
						• The lamp can’t turn on again for one minute after it goes out.
		green
					•	Press the POWER button several times.
					•	Replace the lamp. (The lamp is at the end of its life.)
		Steady red
					•	Attach the lamp cover.
			Off
					•	Unplug the power cord from the wall outlet and contact your dealer .
	Blinking	Steady
	red/green			or
		Blinking
No image appears on	• Check that the lens cap is removed.
the screen.	• It may take about one 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 main power switch is turned on. After the fan stops rotating, press the POWER button to turn back on the POWER indicator.

•Check that the intake vent is clean.

•Set SCART INPUT in the FEATURE menu to OFF. (See page 28.)

•Check that the lamp cover is closed. (See page 37.)

•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.

•Check the operation manual of the video device for its connection.

Power turns off.	• 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.	Turn off the main power switch.
	3.	Wait at least 10 minutes.
	4.	Turn on the main power switch.
	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.

EN-40