When I turn on the projector, the indicator lights turn green. After a few seconds, you hear a click and the status light blinks red and the power light blinks red and green.
Reset the lamp timer by holding power and menu button down for 25 secnnds
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Testimonial: "Tried it and it still doesn't work."
SOURCE: alternating power and lamp status lights
...replace the lamp. The lamp is most likely WAYYYYY past its prime so I suggest starting there. Sometimes even if you had just replaced the lamp the new lamp could've blown. When there is no signal running through the lamp circuit there is no signal to the display sensor, which means no image.
hope this helps!
SOURCE: Blinking Light on Mitsubishi SL4SU Projector
To jmatthews
Both power light and status light a solid red with no response to any buttons indicates the bulb timer has expired. You need to reset the timer by pressing and holding the left arrow key, the right arrow key and the power button all at the same time for a few seconds.
If there are no problems, the projector will fire up, but you must replace the bulb as it will fail soon and perhaps explode when it does.
Take care
SOURCE: Hi, My hc1500 Is having a problem. When I turn it
The clicking sound is the high voltage power supply trying to
ignite the gas in the lamp. The lamp is not firing and coming on.
Check the bulb/ lamp life. Possible the lamp has exceeded its
useful life and may need to be replaced.
SOURCE: i plugged in my xd490u
It sounds like your lamp may need replacing. Before you go that route try all of these:
-Make sure the lamp cover on the bottom is fully attached.
-If you unplug the power cord while the fan is rotating, the lamp may not turn on about 1 minute when
you plug the power cord next time. After the status indicator stops blinking press the power button to turn it back on. May have to press it multiple times.
-If your Power Light continues to blink red/green then you should contact your dealer.
Sorry I couldn't be more helpful.
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