Question about Mitsubishi WD-57731 57" Projection HDTV

2 Answers

Air flow error

I started to receive an error on the screen during normal use stating something to the effect "powering down due to air flow problem. Check your air flow for blockages" or something. It will turn back on but off again within seconds. then it will turn on and stay on.

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  • Anonymous Dec 25, 2007

    Same problem - started on Xmas Day. Will try the fix. Thanks

  • lowmab1 May 30, 2008

    air flow error message



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  • 140 Answers

There is a Mitsubishi service bulletin for this problem.The source of the problem is the connector to the thermal fuse by the lamp. The fix is to cut the connectors off and hard wire the fuse (you will have to splice in a 3"inch wire extension to make it reach once the 2-wire connector is cut off)

Posted on Aug 30, 2007


I have the same problem, does cooling the room help

Posted on Mar 22, 2008


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Posted on Jan 02, 2017

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What needs to be done to repair it?

The error code that you listed indicates that the unit is shutting down due to the temp sensor triggering a fault. Most likely, there is bad connections on the temp sensor itself that will need to be resoldered.

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F2 error code

An F2 error code means usually that you have a flow issue in your hot tub or you have a part malfunction. The best thing to do with an F2 error code is to go through a trouble shooting diagnosis. Start by cutting the power and letting the unit cool down and then do a reset of the equipment. If that does not fix your issue then do a water flow check, clean your filters, release air locks, remove debris from your intakes and returns. If your problem still remains look to replace or repair fuses, heater elements, or your circuit board. I hope this helps.

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What does error message F 70 mean

F70 means a overheating condition is sensed causing dryer stop until temperature reaches (drops) below set level - determined by manufacturer.

Can be caused by different contributing factors:
- poor airflow
- blocked air flow screen inside tumbler
- clogged lint screen
- slow tumbler (low revolutions)

ake sure your air flow is adequate by really cleaning the duct (I stuck my hand through the wall duct and scraped off old hard lint that can collect humidity & even cut my finger). Also make sure your vent hose does not have any unnecessary elbows or squiggles in it.

Once you have verified your electrical connections as stated earlier in this posting, run a normal cycle with towels or something of the like so as to reset the sensors in the dryer.

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Upon starting my emachines t3025 it goes to a black screen and give me the error message missing DLL and Kernl. I am also unable find the recovery area and will no permit loading in the safe mode. I have...

Hi, You have a bad hard drive sector. If you have other PC install the hard drive as a slave and create a partition. hope this info will help you solve the problem

Jul 06, 2011 | E-Machines eMachines Desktop PC

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Same as above

This is a normal condition...Heating up without air flow across the radiator is a common physics based reality.

What counts is whether your fans cycle on and off. if so, that is totally okay. Stated another way, there is actually little effect that you could have on this situation, aside from modifying something, but why do that, it is designed to work that way..


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I have a problem with my Acer Aspire 3100 Laptop. The problem is when I turnon the Laptop it comes on with a statement telling me to Press F1 to start normal or F2 to start setup. But when I press one...

what does it say besides the f1 and f2...there is soemthing stopping the computer from booting and it should say something like...cmos reset or the date and time are not set or keyboard error or something to that effect. try dusting out the laptop with a low psi air compressor or can of air and see if that helps..

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I spoke to a friend who was a spraypainter in his last job, apparently due to the thickness of the paint, I needed a larger nozzle on the gun. I couldnt get a nozzle to suit this gun so I purchased another gun with a cuple of different size nozzles. All seems to be working fine now.

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Compac presario R3000 problem

That screen is normal but only shows on certain occasions. Just use your arrow keys to highlight "Start Windows Normally" and press enter and you will continue to the blue sign in screen. If the removal software asks you start Windows in "Safe Mode", then restart the computer and select "Safe Mode with Networking".

Most common method for receiving that screen and those options is pressing a specific key during start-up for additional start-up methods. Another reason which may be the reason for your case is that something went wrong during start-up. Just follow the instructions above and it will be fine. Usually the reason why you are asked to choose is shown at the top of the screen and it will tell what the problem is.

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Computer problem

There's a number of possible problems. A momentary press of the power button will probably not turn the computer off, in this state, but holding it for 4+ seconds usually will. Did the computer work previously? If so, did something change recently? Usually, this sort of problem will arise after a hardware change; e.g. installing more RAM, changing something in the BIOS settings, installing a new video card, etc. If nothing changed (including things you may not have been aware of), and the computer just stopped working, then a part may have failed, possibly due to a power surge or similar. Depending on your computer knowledge, comfort with working on your computer, and whether there's any warranty in effect, would determine any additional action. Please provide additional details.


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