Question about BenQ MP620 Multimedia Projector

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Shuts down after +-12 seconds

The heat light comes on and the projector shyts down +* 12seconds after start up

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Re: shuts down after +-12 seconds

Clean out the filters on the side of the projecter with a hand held hoover.

Posted on Jul 03, 2007

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When I turn my projector on within seconds it turns itself off

Are the fans all starting up? The symptom you describe is often associated with a faulty fan. Also could be a failed lamp, as the projector will shut down if the lamp does not strike within a defined time, although in this case the 'lamp' light should come on

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Lamp keeps cycling on and off.

the circuit is closed somewhere it shouldnt be

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Bulb works, projector turns on, though it immediately shut

check the fan if it works as will as clean the filter.

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Projectors keeps shutting down after 20 - 30 seconds

reason for fan spinning at high speed after shutdown is to cool down the projector after it has been on
you will feel hot air from exhaust as this is taking the heat away from the lamp, where all the heat is generated
if it shuts down after 20 mins either the projector is blocked, maybe, a fan is not running, filter blocked, or the motherboard is now u/s

Apr 01, 2009 | Multimedia Projectors

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Sanyo PLC SW20AR - Shuts itself down

check the follwoing :
check lamp physically for melted filament, white deposits on filament/ reflector, if so change lamp
if lamp looks perfect, the ballast needs to be replaced, also check for fans if they are running fine

Feb 08, 2009 | Sanyo PLC SW20A Multimedia Projector

1 Answer

Projector shuts down after turned on and both red lights blink

this model is prone to over heat. look near the lamp for the temp sensor it is most likely bad

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Acer pd110z projector lamp starts then stops

Probably a dying lamp. How many hours does it have on it?

You might try carefully removing the lamp and then putting it back in. Perhaps it has a slightly bad connection that is causing it to consume too much power and it shuts down.

Mar 21, 2008 | Multimedia Projectors

2 Answers

Unit powers up, fan shuts down no light.

The unit could be able to sense fan operation and prevent the lamp from lighting since this could cause heat damage or even a fire if allowed to light without any cooling.
If you can see the fan, try pushing gently on the blades, left, then right, to see if the fan shaft wobbles.

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1 Answer

Quantum Apollo 16000 Portable Projector

It sounds as though the unit is overheating. That would explain why the fan keeps running, and once it cools down enough it starts up again. What kind of environment are you running this in? Is there a way to put it in a cooler environment? Even having an external fan blowing on the unit could help. Honestly, unless you've got it in a very hot environment, it also sounds like a poor design for heat dissipation. Or possibly the heat sensor is bad, and shutting it down at a lower temperature than it should.

Aug 28, 2007 | Quantum Apollo 16000 Portable Projector...

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