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InFocus LP600 powers up, lights the lamp, then powers down without prompting - will not repower until 20-30 seconds pass. The familiar computer fan / projector fan noise is heard (as a short burst, to announce it is ready to power) the green LED is lit, and the unit may be powered for another 20-30 seconds - and repeats all steps above. Capacitors? Overheating? It makes an image, but quickly shuts off.
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I am not exactly sure what service code you are searching for, what is happening with the projector? You turn it on and immediately it's looking for a code? Please let me know and I can help
make sure the lamp door is engaging the safety switch. manually reset the lamp hours and reflash the software, if that don't work it's most likely the power supply.
Hi,
It may be the lamp is out. Normally a projector will try & fire the lamp 3-5 times then shut down with a different color light like amber or red. If the lamp doesn't light then it could be the lamp or perhaps the lamp ballast that starts the lamp has failed. A stuck fan also causes similar symptoms. There's 2-4 fans in the projector if one is stuck or bad it will turn off within 5 seconds or so after the lamp lights.
Does your lamp light at all? Are the lights a different color after it shuts down? Answers to these questions help figure out what's wrong though it's impossible to say for sure without looking at it. I service almost all Infocus projectors if you would like a quote please reply with your email address or write me at [email protected]
Good Luck,
Jim
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.
i had the same problem with my 2 years old infocus lp600. on the mains section of the power supply board you have 4 100uF/16v and 1 4,7uF/35V electrolyt condenser of a 85 degree type. that means it will work 2000 hours at 85 degree (celsius). since the power supply only switch off the lamp in standby with no fan the power supply get hot- i think about 70 degree. so after two years in stanby it is evident that this condensers loose halve of their capacity - after switch off no new start. changing this condensers with new ones of 105 degree type will solve tis problem. and for the future - no more stanby.
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