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Panasonic PT-AX100 Panasonic Projector PT-AX100, Power On but no Fan, No Lamp. no indication of Lamp and Temp showing. One of Internal Filter gear assembly is damage. Solution?

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  • dinoparekh May 22, 2008

    Panasonic PT100AXu . Just bought it 2 months ago..bulb has 503 hours.

    Red standby light is on, but when i power up the projector, the bulb and picture come on for abt 2 minutes and then the bulb goes off, the standby light still stays on... There is no warning light re temperature, nor a warning re bulb.

    Proj is located in a nice clean cool area, and used to be turbned on-off 1-2 times a night.




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Check the process of Power supply and the outputs. powerup the projector the replace the faulty gear assy or repair the same.


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Posted on Feb 07, 2008


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Red lamp or heat light is flashing while projector is off. Can't be sure which it is because it is mounted 16' up. I've cleaned projector & filter with canned air from 12' ladder and red light stops...

Here is some information on this model which I hope will help...
The lamp indicator lights when the lamp is due to be replaced. It will flash if a circuit abnormality is found.
The temp indicator lights if an abnormal temperature is detected. If it goes too high it will shut down flash.
The lamp indicator is furthest away from the power switch if that helps.
If the lamp timer was approaching the end of the lamp life you would see a REPLACE LAMP nag screen when the projector is turned on. The fact that you have not mentioned this suggests that this is unlikely to be the problem.
The filters on the model are on the underside. There is a removable panel directly under the lens. You should not use canned air as you are blowing dust into the projector. It is recommended that you use a vacuum cleaner. Filters should be cleaned every 100 hours and replaced when the projector is relamped. You can wash the filter by hand with water only, ensuring it is dry before replacing it. Do not run the projector without the filter in place.

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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.


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My panasonic PTLB60NTE shuts down after couple of minutes when I use wireless mode. How can I solve this?

There is three indicators lights on the panel
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2. temperature indicator.
3. computer input indicator.

If your projector shutdown itself without given any indication its mean that your projector function POWER OFF TIMER is on. You can off this function.
How: (two keys back side of projector one is menu second is a joystick witch have 4 arrow keys and center press is enter)

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There are three temp sensor inside the projector and now your projector need full service but if the air filter becomes clogged with dust, the internal temperature of the projector will rise, the TEMP indicator will illuminate and the projector's power will turn off (the TEMP indicator will flash after the power is turned off) The air filter should be cleaned every 100 hours of use.
If you clean the filter with a vacuum cleaner to clean off any accumulated dust. then your projector working normally

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