Tip & How-To about Office Equipment & Supplies

Fix a multimedia projector that shuts down after a few minutes

I used to work in the AV support department for a large university where we maintained about a hundred projectors in-house. Here is how we approached your kind of problem:

  1. Most likely cause is high temp caused by lack of air flow, try these:
    1. Clean air filter and/or louvers, both intake and exhaust
    2. Make sure air intake and exhaust louvers are not blocked by external objects when in use - that can raise temp to point of shut-off
  2. Next most likely causes: bad fan motor or a failed sensor.
    1. Bad fan motor - fans can bog down if the bearings go bad; you may notice an unusual noise, typically a whining sound.
    2. Failed sensor There are two types: temperature and airflow.
    3. To fix either of these, or anything else, requires opening the projector.
      1. Unless you are a qualified electronic service technician (preferably with service manual and access to OEM replacement parts), this is a job for the authorized service center. Not only can you ruin the projector, you also risk fire, exploding projector lamp, and electrocution, as well as other hazards to life, limb, and property.
      2. Is the unit still under warranty? Many projectors are covered for three years. If you bought it with a credit card with free extended warranty (comes with most gold level cards), you should have an additional year through the credit card company.
  3. Unlikely, but possible causes: loose connector, bad solder joint, defective circuit component(s), etc. As above, diagnosing and repairing is a job for the service center.
Good luck! Please let me know if this was helpful in fixing the problem, or knowing when to send our for repair, or saving money. Thanks!

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My sony projector keep turning of and red at lamb/cover is blinking


I used to work in the AV support department for a large university where we maintained about a hundred projectors in-house. Here is how we approached your kind of problem:
  1. Most likely cause is high temp caused by lack of air flow, try these:
    1. Clean air filter and/or louvers, both intake and exhaust
    2. Make sure air intake and exhaust louvers are not blocked by external objects when in use - that can raise temp to point of shut-off
  2. Next most likely causes: bad fan motor or a failed sensor.
    1. Bad fan motor - fans can bog down if the bearings go bad; you may notice an unusual noise, typically a whining sound.
    2. Failed sensor There are two types: temperature and airflow.
    3. To fix either of these, or anything else, requires opening the projector.
      1. Unless you are a qualified electronic service technician (preferably with service manual and access to OEM replacement parts), this is a job for the authorized service center. Not only can you ruin the projector, you also risk fire, exploding projector lamp, and electrocution, as well as other hazards to life, limb, and property.
      2. Is the unit still under warranty? Many projectors are covered for three years. If you bought it with a credit card with free extended warranty (comes with most gold level cards), you should have an additional year through the credit card company.
  3. Unlikely, but possible causes: loose connector, bad solder joint, defective circuit component(s), etc. As above, diagnosing and repairing is a job for the service center.
Good luck! Please let me know if this was helpful in fixing the problem, or knowing when to send our for repair, or saving money. Thanks!

Feb 20, 2015 | Sony Office Equipment & Supplies

2 Answers

epson powerlite 200 overheating after 20 minutes of use then shuts off.


How's the filter, if it has one - cleaned out recently? Much dust in the airways? Tried setting it into "high altitude" (or simply "high fan speed") mode and seeing if that helps?

Jan 30, 2014 | Epson POWERLITE 74C Video Projector LCD,...

1 Answer

LG RI32CZ10RX, switch to AV with no remote?


usually the code for a phillips tv will operate lg tv's

Mar 17, 2010 | Televison & Video

1 Answer

My Hitachi LCD CP-S240 projector turns off EVERY 15 minutes. The lamp light turns red and the only way to turn the projector back on is to manually flip the power switch on the projector itself off and then on again. I let it rest for a moment, and then I can turn it back on with the remote. The reason I find this strange is that it is every 15 minutes while other teachers in the school have a similar problem but it is intermittent.


Generally this is what happens when the lamp is on it's last leg or the projector itself is overheating. Being that you said you work in education, my solution for you will be slightly different than I might otherwise offer.

Your institution will have a department who's job it is to maintain this equipment. I know this because that's what I do. You need to put in a work order with the Information Technology department, or Educational Technology department, or Instructional Technology department, or whatever your support department is called. Every educational institution has something like this.

Explain the problem to them with as much detail as you can, and I am sure they will be able to resolve your problem.

Most likely, a simple lamp replacement and timer reset will fix this, but occasionally a fan will have to be replaced. Other times, this is indicative of something that will require a trained technician to repair.

Assuming you have a support area that handles this for your institution, please do not try to fix this yourself. As good as your intentions might be, the tech people at your workplace are the ones who need to handle this and often have to keep records regarding maintenance.

Nov 16, 2009 | Hitachi CP-S240 Multimedia Projector

1 Answer

xbox 360


Things to try -

1. Try using a different video port on the TV.

2. Try wiping the metal area of the AV pack with a dry cloth. The metal area is the end that plugs into the console. Wipe the metal area thoroughly, and then try the AV Pack again.

Feb 17, 2008 | Microsoft Xbox 360 Console

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