Question about NEC MultiSync MT1050 Multimedia Projector

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Why is my projector only staying on for 5 secs

It turns on then it clicks off and the status light flashes red,the fan does not come in this time. the bulb does light up

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  • Hogster100 Feb 02, 2008

    Thanks for getting back to me. I will find a local repair centre to take a look at it.



    Cheers

    Hogster100

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  • 261 Answers

Lamp is probably bad. You can remove it and while your doing that clean the filter to prolong the life of the new lamp. If you need assistance you can contact someone locally or i may be able to assist you if you want to ship it. Look in you owners manual for lamp # and start surfing for sites that may have it. If that is too much work, contact me and i will assist you. Thank you ... Cheers Jay

Posted on Jan 31, 2008

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Why does my Mitsubishi XD221U projector click and blink red/green on the power light when turned on?


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There's no mystery to these status lights. The answer to what they show is written in the manual. Sorry to be blunt, but if you had bothered to read your manual then you would know that red green flashing power light means that the lamp housing cover isn't closed properly. If it is the status light, then it means that the lamp has gone past its due time for replacement. I only know this because I read the bit in the manual just now about the Status Lights.

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Power indicator /red/ and warning led/red/ are lighting after ea 15 sec. a lamp never start and fans goes in OFF mode. I checked power supply lines S5V,S-5V,S16V on the Main Board . I checked unit lamp...


If power indicator light red and warning indicator red flashing than according to user manual :-
The projector has been cooled down enough and the temperature returns to normal. When turning ON the projector the WARNING indicator stops flashing. CHECK AND CLEAN THE AIR FILTER.
Experience:- 1. if the temperature is very low than temperature sensor maybe misbehave.
2. If anyone fan not working
so please you check fans.
(If lamp or lamp ballast unit faulty than after a time period the lamp indicator light ON not a warning indicator. I experience many times if any fan in projector are broken or jamed the temperature light if present otherwise warning light ON or flashing)

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Well my mom was watching tv and it just shut off so then my mom turned it back on thinking she might have hit the power button accidentally. But when she turns it on it started blinking the green light for...


The flashing light red power light should only stay while the fan cool down for about 1 minute after a power off (remember to always wait before unplugging the TV so the lamp can cool down with the fan). Does that flashing start right away after plugging back the TV after an hour of letting it without AC power.

The red light should flash no longer than 10 sec. This prepare the light to be turned on. If all is OK the green should stay (no longer flashing) and the sound and picture come on.

As for the lamp flashing, i bet it's only 1 time each 5 sec? Or do it group many rapid flash each 5 sec?

Things that can be wrong:
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-the lamp is not proprely inserted (wait an hour before manipulating it to be sure it cooled down, and use glove to not put body oil on it).

-Lamps is defective and is not operating properly so you can't get to the usual on screen message that recommend to change the lamp.

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1 Answer

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Once the status light blinks 3 times, this is an indication that there's a problem with the lamp. The lamp may need a replacement.

If you replace the lamp, but get the same problem, check the inverter board.

If you're not sure where the inverter board is, then you may need to contact a pro for your safety.

Good luck and have a good evening!

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