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You can have 3 main problem 1) test the power cord for open or faulty 2) test any colder join in the main PWB 3) the power supply is faulty , repair or replace.
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Please check the filter door switch or if the fan as if the fan does not work there is an error and so the lamp will not be powered. Check the power to the fan motor, check the lamp for failure.
Hi,
Before going to by a new one just try to do the following
First of all try to reset the lamp hour of your projector. For resetting the lamp hour do the following.
Make sure the main power switch is OFF. Hold the "ON","MENU", and "INPUT" buttons at the same time and turn the main power switch on. Keep them held until the yellow power standby light comes on,
Otherwise Check the lamp cooling fan of your projector. maybe its has some problem.Do one thing, Remove the fan from the projector. In the fan there will be a specification sticker. Remove the sicker. now u can see a hole in the center. its the bearing part of the fan. put one drop of oil in it. u can use any type of lubricating oil. rotate the fan leafs with finger for some time. after that re-stick the spec sticker. insert the fan in the projector. power ON the projecto and watch. ok
PROBLEM: The fan is broken
If any fan in the projector not move, broken, jam, the power light blinking 4 times after few second of power ON
SOLUTION: Remove the filter and then remove the upper cover
check fans and fan connector
if all fans are OK then remove the fan connector and reinstall
fix the cover and power ON projector
if the lamp is good, it could be a fan not working, which would be a bad fan or bad main board. IF the fans are working, then I would have to say that the power supply was bad or the fan laying flat against the bottom in the right rear corner is bad.
sounds like a fan not working or a bad power supply/ballast. If it is a fan that is not working it will cause it to shut down. That would either be a bad fan or bad main board. But, if all fans are working, most likely it's the power supply/ballast.
if the fan is not moving but still receives voltage, just replace the fan. if you're sure the fan works but no voltage, hope you're good at soldering. you need to remove the main board and solder a jumper from the bad fan's power and ground to the working fan's power and ground.
replace the fan. it needs all the fans the projector was designed with to properly cool it down. without all the fans, the lamp will overheat and cause premature lamp and projector failure. the fan has 3 wires- ground, power and sensor. if the fan spins too slow or not at all, the projector will shut down to prevent damage.
check fan filters.
sounds like you have an airflow problem.
open up and clean out dust.
or fan failure.
check fans are spinning when pj is switched on.
we were unable to pull the projector menu & it also took about 2 hours for the bulb to turn on.......the fan works, have changed the bulb, closed the bulb door & tried to reset the projector.......help!
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