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
		POWER	STATUS	Solution

			•	Connect the power cord to the projector.
		Off	Off •	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.
Off	2.	Make sure that the projector has cooled off.

3.Plug the power cord into the 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.
Steady red Blinking •		Check wheather the ﬁlter is clogged with dirt and dust.
orange		Clean the ﬁlter, if clogged. (See page 40.)

	•	After the STATUS indicator stops blinking, press the POWER button.
	•
Blinking		•	If you unplug the power cord while the fan is rotating, the lamp may not turn on about 1 minute when
Blinking			you plug the power cord next time.
green		•	The lamp can't turn on again for 1 minute after it goes out.
	•	Press the POWER button several times.

•

Replace the lamp. (The lamp is at the end of its life.)

Steady red

•

Attach the lamp cover on the bottom.

Off

Blinking

•

Unplug the power cord from the wall outlet and contact your dealer.

red/green

Steady

Blinking

No image appears on

• Cancel the AV mute by pressing the MUTE button.

the screen.

• 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 25.)

•Check that the intake vent is clean.

•Check that the lamp cover is closed. (See page 39.)

•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.

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.)
	J 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 the 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.

EN-41

MH2850, MH2850U specifications

The Mitsubishi Electronics MH2850U is a standout model in the projector market, designed to cater to both professional and educational environments. Its impressive set of features and advanced technologies make it a versatile tool for presentations, lectures, and even home entertainment. This projector is known for its high performance and reliability, making it a preferred choice among users.

One of the key features of the MH2850U is its native WUXGA resolution (1920 x 1200 pixels), which provides exceptional clarity and sharpness. This resolution is particularly beneficial for displaying detailed visuals, graphs, and charts, making it ideal for business presentations and educational purposes. The projector's brightness level, rated at 2,850 lumens, ensures that images remain vibrant even in well-lit environments. Users can expect sharp and vivid visuals, regardless of lighting conditions.

The MH2850U also employs advanced DLP (Digital Light Processing) technology, which enhances color accuracy and image quality. DLP projectors are known for their reliability and low maintenance needs, which adds to the MH2850U's appeal. Coupled with a high contrast ratio, the projector delivers deeper blacks and brighter whites, elevating the viewing experience significantly.

Connectivity options are another strong point of the MH2850U. It includes multiple HDMI ports, allowing users to connect various devices such as laptops, Blu-ray players, and streaming devices easily. Additionally, it features USB and VGA ports, providing flexibility for different multimedia applications.

The projector also supports a range of image adjustment features, including keystone correction and lens shift capabilities. These features ensure that users can effortlessly set up their presentations without the hassle of complicated adjustments. Furthermore, the auto power-off function contributes to energy efficiency, turning the projector off when it's not in use.

In terms of portability, the MH2850U is designed with user convenience in mind. Its lightweight and compact design make it easy to transport, making it an excellent choice for on-the-go professionals or educators who frequently travel between locations.

Overall, the Mitsubishi Electronics MH2850U stands out due to its combination of high resolution, brightness, connectivity, and versatility. Whether used in a classroom, conference room, or at home, this projector delivers excellent performance, making it a worthy investment for anyone in need of high-quality projection solutions.