Question about NEC MultiSync MT840 Multimedia Projector

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Status Light Flashes

I have a NEC MT840. We just replaced the bulb. Now the status light is flashing and the unit will not turn on. I am not sure what to do.

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  • Anonymous Sep 08, 2008

    my nec multisync mt840 lights up then goes off, the power light stays on and the status light blinks in sequence of 3. two quick one slow, could someone please give me a answer to this problem, thank you for who could ever take just a minute, sincerly paul neve

  • Anonymous Sep 08, 2008

    MY NEC MULTISYNC MT840 PROJECTOR LIGHTS UP THEN GOES OFF, THE POWER LIGHT STAYS ON AND THE STATUS LIGHT BLINKS IN SEQUENCE OF 3 ,TWO QUICK AND ONE SLOW CAN SOMEONE TELL ME IF I HAVE TOO BUY A NEW BULB. SINCERLY PAUL NEVE

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Two weeks back I purchase a nec mt840 projector with the same problem. I brought it home, open it, and clean it very gently. Now I have a perfect working projector. you may just want to clean the inside. Another thing, check to see if the fan is working from the front end, you may just need cleaning.

Posted on Oct 06, 2008

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Hi kmarie01

This is most probably a faulty Ballast ( lamp's powersupply ) that will have to be replaced before the Projector will come on at all.

Posted on May 14, 2008

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Posted on Jan 02, 2017

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Does a lamp error message (6 blinking red status lights) mean the lamp needs to be replaced? or could something else be wrong.


According to NEC technical support, if the status light flashes red six times, this could indicate a defective lamp. If a new lamp is installed and the project still won't turn on, the projector will need service.

Jun 15, 2011 | NEC NP400 Projector

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I turn it on, the status light flashes... then it turns itself off, except the power button is still showing power and the status light is blinking red


Your bulb is not lighting.
Either the bulb has failed or it has a bad contact.
Remove the bulb to check condition and then reinsert and try again.
If it still does not light you will have to buy a new bulb.

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Please dont forget to vote this answer was helpful.

Many thanks

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Feb 28, 2011 | NEC VT491 LCD Projector

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Turn on the projector the power light flashes green with status as green then it goes to a flashing orange light


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Apr 15, 2010 | NEC VT800 LCD Projector

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I have a NEC mt1055 and the unit just had new bulb put in here and it has the power and standby light come on and the fan doesn't turn on here and the standby light is yellow and status is red


The NEC’s work on a reducing time basis, they count the hours that they have been operational and refer to this as the life of the bulb – 1600 hours. When the 1600 hours has been reached the projector shuts itself down into standby mode never to be restarted even after changing the bulb / filters. This is because the unit needs to be reset, which needs to be done as follows (not included in any of the bulb replacement instructions):-
  • Plug Projector in so it is in standby mode – Orange light lit, Red status light lit (not flashing)
  • Using the remote control, hold down the power off button for 30-45 seconds
  • This will reset the status button, removing the red light
  • Power up the projector and select Menu
  • Select Projector Options
  • Select Set-up – a number of tabs will appear called pages
  • Arrow across the pages (MT850 is Page 5) until an option called “RESET LAMP HOURS” is shown
  • Move onto this option and press enter on the projector itself, confirm that you want to reset the counter
  • Projector is now back to life

This works for all NEC projectors, the page number may be different though where the “RESET LAMP HOURS” option resides.

Oct 07, 2009 | NEC MT850, MT1050, MT1055, MT1056...

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Power light flashin orange, status light flashing red on WT610 NEC


if the status light is flashing .5 seconds on and 2.5 seconds off - you need to replace the lamp cover correctly.
if the status light is flashing .5 seconds on and .5 seconds off in 2 - 6 cycles the error is: 2 cycles - the projector is overheated. Move the projector to a cooler location, or/and remove dust in the light path. 3 cycles - the power unit is not working correctly. 4 cycles - the fans are not working correctly 5 cycles - lamp fails to light. Wait a full minute and then turn on again.

Jan 25, 2009 | NEC WT610 DLP Projector

1 Answer

When trying to power up the status light flashes yellow 3 times and goes off it does it again then it flashes red 3times then it shuts down the bulb never comes om just the fan. i have a nec vt540...


Hi,

I want you to see this document to troubleshoot your projector.
www.douglascollege.ca/__shared/assets/NECVT440K-540KMANUAL32259.pdf

Goto page no: 35 . It has information about status light messages and i hope it will help you.

Hope my info solves your problem,
Thanx for using fixya.

Oct 01, 2008 | NEC Televison & Video

1 Answer

Status light is flashing


We experienced the same and needed to replace the bulb.

Oct 20, 2007 | NEC LT35 Multimedia Projector

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