Question about Dell 3400MP Multimedia Projector

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Dell 3400mp Lamp error.

I have a Dell 3400mp that gives a Lamp replacement error when it is turned on. We bought a new lamp for it and replaced it but it still gives the error. What else could be causing this? I have the same problem. When I turn on the projector the lamp error comes on "solid". The lamp is new, and even when I changed it to another new lamp the same thing happened again. Can anyone suggest what the problem might be??

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If ballast supply or lamp got defective, projector will show you it as lamp error.
Please make sure lamp is installed securely and lamp cover is placed properly. If problem still exist then it is ballast supply that need to be replaced.

Posted on May 15, 2009


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Posted on Jan 02, 2017


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Hi. i recently bought a new(authentic Osram) lamp for my dell 3400mp projector because the previous lamp simply stopped working one day. i thought i'd blown it by not letting the projector cool...

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Aug 15, 2011 | Dell 3400MP Multimedia Projector

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WE have a projector that works for 15 or so minutes, then the lamp shuts off. Is that a warning sign that the lamp is failing and will soon need to be replaced?


Well you can turn on the option by browsing the menu option with system setup. And at the same time do give rest to the projector after continuous use. And do not waste lamp life. In some cases the GPU (Graphic Processing Unit) also malfunction. Hence check to make sure about this as well. And also make sure you have not set the time of shut off.

Jul 19, 2011 | Dell 3400MP DLP Projector

1 Answer

I bought a replacement lamp for my 3400mp dell projector and I cannot get the pin to seat in the receptical. My old lamp goes in and out like butter, no problems. When I try to put in the new lamp the...

Hi Patrick,

It sounds like you have a damaged or incorrectly supplied lamp. You have established that the old lamp can be fitted and removed easily. You should not need to do anything when fitting the replacement lamp that you did not need to do to remove the origional. Compare the two lamps side by side and see if you can spot any differences. Perhaps some careful measurements may help.

Lamps should have a part number which will be common on both lamps. Non OEM lamps are supplied in re-manufactured housings, the better ones (eg Diamond & Pro-Gen) use the original lamps which are either Phillips or Osram. Cheap copies use 3rd party lamps which are less effective at best.

I would advise being wary of the source of this lamp if it is not Dell.

Feb 14, 2011 | Dell 3400MP Multimedia Projector

1 Answer

Not turning on

Sounds like you need a new lamp. Do you have any indicator LEDs "on" near the power button?

Aug 15, 2010 | Dell 3400MP Multimedia Projector

2 Answers

Indicator showing LAMP. Does this indicate the lamp needs replacing?

Yes. The lamp is timed and the replacement indicator signals when the lamp is near end of life. If the lamp fails catastrophically it makes a mess... best to replace before that happens.

Jan 03, 2010 | Dell 3400MP Multimedia Projector

2 Answers

Projector projects red screen.

My take on this...if that pin was *shorted* to another pin in the connector and not just bent, you could be looking at a damaged video input section. The pins in the video connector consist of the 3 color signals(red--green--blue), their individual grounds, and syncing. If this has indeed happened, which is *VERY* easy to do, the projector must be repaired by a service facility.

May 05, 2009 | Dell 3400MP Multimedia Projector

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Dell 3400mp Projector is flickering

Hello. Based on the video, return the projector and get a new one since it is still under warranty. The symptom has nothing to do with the lamp or connections. It appears to be an image processing problem on the main board. The blank part isn't distorted or scrambled, it's MISSING!

Feb 18, 2009 | Dell 3400MP Multimedia Projector

3 Answers

Dell 3400mp Lamp error.

Inside the shell that holds the lamp assembly the bottom of the lamp power connection had shifted out of position in the bottom of its harness. I had to remove the projector top to firmly reseat the bottom power connector in the correct vertical position in the harness.

Sep 02, 2007 | Dell 3400MP Multimedia Projector

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