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I have an hitachi projector in my classroom that keeps displaying the sign check the airflow. What is this problem and what can i do to fix it?

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  • mrshughes25 Sep 10, 2008

    Hitachi ED-X10 Multimedia LCD Projector

  • Greg Cann
    Greg Cann May 11, 2010

    Please supply the model number of your equipment for example "Nikon CoolPix 3200", so that we can help you.

    Best regards,
    Informatica


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  • Master
  • 1,114 Answers

Hi - You can download the manual by clicking the link underlined in blue below:

ED-X10

See page 51:

I have an hitachi projector - cc5db6e.jpg

If you have replaced the filter and are sure that there are no obstructions or dust then rest the timer to clear the error.

Please take a moment to rate this solution & let us know if the information given was useful to you - Good Luck!

Informatica

Posted on Sep 10, 2008

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The temperature in the classroom is to hot. Turn down the
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My hitachi cpx201 projector says to check the air flow


Hi There Teacher!
the air filter unclips on the left hand side, lens facing out.
after vacumming out the filter see below for filter reset counter procedure
Good Luck!
Turn the projector on and reset the filter time using the FILTER TIME item in the EASY MENU. Before taking care of the air filter, make sure the power switch is off and the power cable is not plugged in, then allow the projector to cool sufficiently. Taking care of the air filter in a high temperature state of the projector could cause an electric shock, a burn or malfunction to the projector. Use only the air filter of the specified type. Do not use the projector without the air filter or the filter cover. It could result in a fire or malfunction to the projector. Clean the air filter periodically. If the air filter becomes clogged by dust or the like, internal temperatures rise and could cause a fire, a burn or malfunction to the projector. WARNING Please replace the air filter when it is damaged or too soiled. When you replace the projection lamp, please replace the air filter . An air filter of specified type will come together with a replacement lamp for this projector . Please reset the filter time only when you have cleaned or replaced the air filter, for a suitable indication about the air filter. The projector may display the message such as ?gCHECK THE AIR FLOW?h or turn off the projector, to prevent the internal heat level rising. NOTE (1) Press the MENU button to display a menu. (2) Point at the FILTER TIME using the ??/?? button, then press the button. A dialog will appear. (3) Press the ?? button to select RESET on the dialog. It performs resetting the filter time.

Jan 14, 2010 | Hitachi CP-X201 Projector

1 Answer

Whats it mean when the projector says to check the airflow every few hours on the screen. The projector is a Hitachi CPX440


one or more of the fans may not be working properly and the heat is triggering the temperature sensor. if the projector is too dusty, the heat stays in and may ruin components. if there are filters, clean them first.

Nov 04, 2009 | Hitachi CP-S240 Multimedia Projector

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It's probably the video cable from the PC. Treat your cables carefully. Don't bend them sharply when stowing.

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Projector is saying to check the airflow? What does that mean?


This means you may have an obstruction preventing airflow from circulating properly. If this is the case, it can lead to overheating of the projector, which could result in very expensive repairs.

You need to regularly clean the air filter and rest the filter timer to ensure that your projector can cool itself properly. I recommend doing this every 100 hours of use. In fact, Hitachi projectors can be set to warn you when a certain amount of time has elapsed. I believe 100 hours is the default.

If cleaning the air filter and resetting the filter timer does not remedy this, you can use canned air to blow out the inside of the projector and try to clear the obstruction.

You also want to make sure all fans on your projector are working. If not, stop using the projector and replace those as soon as possible.

Overheating is the leading cause of projector malfunction, and basic routine maintenace can increase the life of your projector and the lamp by a great deal. For example, the lamps for that machine are typically estimated to have a life of no greater than 2000 hours, and typically you'll see them go out anywhere from 1300 hours to 1600 hours. Because I regularly check my machines, the ones that are not used intensively for hours on end every day will often have a lamp life of over 2000 hours, and I found one recently that made it to 3100 hours.

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Most likely you have a defective lamp or it is near the end of its life. It's also possible that the high voltage power supply is going out. You might check the lamp hours - you can find this in the advanced menu. Also check the air filter, if you haven't cleaned it, the airflow might be restricted, shutting down the projector.

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Upside down image


These projectors are designed to be mounted upside down. Think of a projector that is ceiling mounted in a classroom. Change this setting in Menu - Advanced Menu - Setup - Mirror.

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i have one of these projectors found on setting it up that the projector must be square on with the screen, the pjtx10 doesn't have ant "wedge type" setting like sony does. if this doesn't fix problem there is some thing not aligned in the lense

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