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DLP113P temp and lamp lights flash & the unit wont run

WHen I power up the unit, both the temp & lamp LEDs flash but the lamp wont fire up

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Lamp never fires Unit goes right to cool/shutdown.

The ballast might have gone bad, you'll need to check the output voltage of it. In some projectors, the power supply/ballast are combined as one PCB instead of 2 separate boards.

Jul 24, 2015 | Multimedia Projectors

1 Answer

Infocus in15 temp and lamp indicator flashing


In attempts to get your IN15 projector working, please try the steps below.

Disconnect AC power from the projector and wait for 10 seconds for supply to properly discharge.

While holding down the Menu, Select and Input buttons simultaneously, plug in the main AC power until

the LEDS stop flashing (approximately 7 seconds)

Jul 15, 2012 | InFocus IN15 DLP Projector

1 Answer

Unit will not stay on

Is the fan that cools the projection high intensity bulb running? This sounds like an overheating condition, there is a temp sensor that will shut the machine down if it senses the temp is to high and poses a fire hazard or further damage to the projector.

Jan 15, 2012 | Optoma HD80 Projector

1 Answer

My projector it would go to flickering an go out an the lamp light would come on an we let it set a few an cool down an turn back on an it would run for a few an go out again so we put a new bulb in an...


There is a chance that this problem is caused by excessive tempratures inside the projector, the projector shuts down to protect against damage and then it will fire again once it has cooled down.

You should ensure that all ventilation slots are unobstructed, and that the projector is not in an excssively hot or humid environment. The air exhaust vent is on the side of the projector (furthest from the lens).

It would be worthwhile removing the new lamp and carefully replacing it with the old one. Note the faults, and any sequence of flashing LEDS on the Power, Lamp & Temp indicators. Note down the number of flashes, length of flashes and colour as they can be used to locate the possible source of a problem. Then put the new lamp in and see if the problem is exactly the same. If it is it would suggest that the fault is definitely not the lamp.

When you fire up the projector, you should hear the cooling fans run, and they should continue to run for at least 2 minutes after the projector is turned off. If you can't hear a fan it may well indicate that it is faulty.

Without the exact detail on the error LED sequence it is impossible to diagnose the exact fault but the steps above will help cure the problem in many instances or at least help narrow it down if not. The act of removing and reseating the lamp can help with some problems where the lamp flickers.

Feb 21, 2011 | Optoma TX1080 Projector

1 Answer

As all the posts on here I have the same problem. My panasonic pt-lb10u turns on, green light flashes, fan comes on. Then the green light turns red and the red lamp indicator light comes on. No light emits...


If your projector won't fire up then you can't reset the lamp counter so that is not the problem.

The combination of LEDs you have given does not correspond to an error message. There should be two LEDs, one of which is the Lamp Indicator, and the other is the Temp Indicator.

It's possible that an overheating problem has caused this. Make sure the projector is in an area where the temprature is between 0 °C (32 °F) and 40 °C (104 °F) and the humidity is between 20% and 80% (with no condensation). It shopuld have unobstructed air flow around it.

Disconnect the power. Remove the lamp and place it aside. Clean the air filters, using a hoover, being careful not to damage the filter which is located on the underside at the front of the projector under a flap.

Carefully reinstall the lamp (when you say you replaced the lamp, did you buy a new PANASONIC lamp from a reputable source?) Try to fire up the projector. Note down any combination of LEDs if the projector doesn't work and post hem back here.


Feb 14, 2011 | Panasonic PT-LB10VU Multimedia Projector

1 Answer

Hi, I have a Christie RoadRunner L6 Projector. When I turn it on the lamp light turns red and it does nothing. This unit does have dual lamps and a lamp replacement lamp light as well. I figured if it was...

I have a Christie RoadRunner L8 that fires up,lamps turn on and about 5 seconds after the lamps fire up it shuts down and both the warning temp. and ready lights flash at the same time. It seems to me it must be a sensor that tells it to shut down thinking that the machine is too hot-all the fans work and all of the filters are clean and it is moving serious air any clue and if so where do I start to look for such items? Thanks in advance Kirk

Aug 16, 2010 | Christie RoadRunner L8 Multimedia...

2 Answers

Projector won't turn on and LED Temp/Lamp flashes! has new lamp

I wish you had received a relevant answer to your question, as I'm experiencing exactly the same thing here. Not sure is this site notifies people when they get responses, but did you ever figure out what the problem was?

Apr 08, 2010 | Optoma MovieTime DV10 Multimedia Projector

2 Answers


A couple of things...

If the fan is not working, the lamp will not fire. If you have the owner's manual, it should indicate what the flashing lights mean. Check to make sure that the panels are seated properly. When you replaced the lamp, the outer cover was removed. If that is not seated back 100%, the unit will not work. There are a number of safety "checks" built into the unit to prevent damage and possibly fire as the lamps get really hot.

Check the items above and let us know your progress.


Jun 19, 2008 | Dell 2300MP Multimedia Projector

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