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I have replaced the lamp on my INFOCUS LP580 and I have followed the powerup procedure but not even the power supply fan starts. Is there something quick that I can check for . . . maybe a fuse?
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either the lamp's seams aren't taped over with foil tape to prevent the premature shutdown due to the heat sensors being triggered, or the fan under the the colorwheel has stopped, maybe due to a piece of lamp from a previous lamp explosion being stuck in it, or the power supply/ballast is bad, or the eca on the engine itself is bad. The lamp is the easiest to try first. There should be foil tape over the seam on the side of the lamp you can't see when it is installed. If this doesn't work, take the front bezel off amd get where you can see the fan under the colorwheel and tunnel and power the unit up and see if the fan comes on. If it does thenthe eca on the engine or the power supply ballast is most likely bad and these are major repairs.
3 red flashing is a lamp error, not the fans. the lamp has a problem striking. make sure it's pushed in and plugged in all the way. if the lamp is not that old, the power supply needs replacing.
Your lamp might be ok, but you power supply is dead. If your not seeing any led lights come on when the power cord is plugged in then your power supply is dead. I can fix this for you for less then it cost to send to infocus or to a repair shop. Ebay Id is Gtitubro
From the infocus_lp650 manual Table 2: Red LED Behavior Explanation One (1) blink The lamp won't strike after five (5) attempts. Check the lamp and lamp door installations for loose connections. Two (2) blinks The lamp counter hours have exceeded lamp life hours. Replace the lamp and reset the lamp hours counter. Optional Accessories Part Number Three (3) blinks The projector has shut down the lamp. Replace the lamp. Contact Technical Support for repair if replacing the lamp does not solve the problem.. Four (4) blinks The fan has failed. Replace the lamp (the lamp module contains a fan). Contact Technical Support for repair if replacing the fan does not solve the problem. Five (5) blinks The projector is overheating. Check for a blocked air vent. Contact Technical Support for repair if clearing the air vents does not solve the problem.
power supply problem. if it was overheating, it would go into cooldown mode then standby. there is an issue with the power supply, and it needs replacing. it's about $100 from infocus.
what I understand is that your lamp is not giving light. Pls check the ballast unit for that. Or tell something more about ur projector to solve the problem.
good luck. not even the infocus authorized service centers get those. besides, they were made by another company that does not make power supplies antmore. and infocus doesn't have any new ones in stock. if you're getting no power at all, replace the mosfets. it works half of the time.
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