InFocus LP280 Projector, Factory Refurbished Multimedia Projector "fan speed" Questions

...fan speed control chip is shorted which can cause fail 2 ways, either the fan 1. runs full speed or 2. remains stalled (then the projector will go over-temp and shut itself down) I hope this answers ...

...fan running at a very high speed Infocus projector - not sure of model. lamp comes on, fan running at a very high speed when powered on and never slows down and there is no image projected. if the ...

...speed control wire tacho run the fan on a separate supply and see if the fan runs before you start checking the voltage on the mother board first.The most common fan for failure is the exhaust fan or ...

...fan is is gaining speed/force for a second or two every once in a while. Sometimes with 20-30 second intervals sometimes a lot longer. Could there be a risk to this? Should I turn it off? Can I just ...

...with a new one but not the same type, could this be the problem. Please assist. yes. it needs the third wire to sense the fan speed. without it, the projector assumes that the fan is not

...fan failure, shutting down no dust, fans ok if the fans are running too slow, it'll shut down. it needs the fans to run at a certain speed to get enough cfms to ensure proper cooldown. if one is ...

one power, one return, and one signal. if the main board reads no signal from the fan's speed, it'll shut down. check the power going to the fans and the signal. you may need to replace the main board

fan of your projector is faulty or it runs in a low speed this problem can occur. Another possibility is the faulty temperature sensor. you have to check the temperature sensor near the lamp. normally

...fan failure. Both are running RGB connectiond (I think). Input 3 and 6. do the fans work? they may need to speed up at certain times for cooling reasons (different signals may need more power. more ...

...and the vents are unobstructed. In some cases where everything looks fine we have been able to get the projector to run by switching the fan to "high speed mode" (or its equivalent) from the