I replaced the bulb in my Sanyo XU50 projector and cleaned the filters. Now when I switch it on using the mains power, the power light goes red, when I press the power button the light goes to green and the fan starts up, then the amber lamp replacement light comes on and the power light then flashes red. If anyone knows how to fix this it would be gratefully appreciated.
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The cooling channel is likely clogged by lint and dust. We usually suggest annual cleaning and maintenance to avoid these kinds of issues. It is also possible that the fans have failed. Feel free to contact me at email@example.com if you would like to hav e a technician take a look. Projector Repair Bulb Replacement
what about the Projector Condition leds: POWER, WARNING and LAMP REPLACE? How are they lit? For good measure you should also clean the air filter (the projector might not be getting enough air to cool the lamp)
Projectors shut off when they overheat. They overheat when air does not move through the projector cooling it. This happens when the fans are not working or air filters/vents are not working.
Check to see whether the fans are working. If they are working, open the cover and see whether air filters/vents are covered with dust. If so clean them.
The first may be due to overheating. Most projectors have a "air filter" that can be removed and cleaned. If it gets clogged with dust over time, the projector can't breathe and shuts down.
The second cause may be your lamps life hour clock. Most projectors keep track of the amount of time that their bulbs have been active. Once a preset # of hours has passed the projector will limit functionality until a new bulb has been installed AND the lamp life clock reset. Most projectors do not automatically reset the lamp life clock after a new bulb is inserted.
There should be instructions on how to reset the lamp clock in your users manual, and info on cleaning the air filter. Unfortunately I went to the Sanyo website and was unsuccessful in locating a PDF of the user manual for you.
1, the lamp is ok
2,the lamp ballast is ok
3,seems that the power supply or mother board is defective
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Have you checked the filters? I have a Sanyo PLV-75 and had a similar problem. The normal fan would come on when the unit was first started, then after a few seconds the secondary fan came on and then the unit would shut down. Called tech support and they asked if I had cleaned the filters. I did it, and it worked great. Check the manual for where the filters are and hit them first before getting a new bulb. Hope it helps!
I had a similar problem, but with no lcd lights showing and the technician diagnosed as being caused by
a faulty Ballast which he said caused the bulb to fail. He didn't test
the bulb but his experience indicates that even if the bulb was not
blown it would have been stressed and it would only be a short time
before it fails completely.
When these fail there is no real reason for it it seems but it has been
suggested that a probable cause could be not cleaning the filter, at
least every six months. The result of a dirty filter would be
overheating and this could be the cause of the failure. Perhaps you will have to check the ballast for problems