The cover switch is probably not fully made.
Ensure that the cover tangs are pushing the pin
on the miniswitches.
Try putting slight pressure on the fan or lamp cover to see if the lamp/cover light
you will need to do a restart on the PJ to check this out
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Secure the lamp cover and the air filter cover of the
projector body if the projector does not power on. Ensure that the power
cable is firmly connected to the projector and an active power plug. If
the projector was turned off and then on quickly--let it sit for 90
seconds before trying to turn it on.
Replace the projection lamp if the projector will not power
on or if the lamp indicator is flashing. Turn off the projector and let
it sit for at least 30 minutes. Locate the lamp cover and remove or
loosen the lamp cover with a screwdriver. Carefully remove the
projection lamp from the projector housing using the handle, if
Place the new projection lamp into the projector housing and
secure it to the projector. Replace the lamp cover and reset the lamp
timer. Power on the projector to ensure the new lamp is working
Remove the projector from the enclosed area to allow air
circulation if it constantly overheats. Place the projector into an open
area and make sure there is no blockage for the ventilation holes.
Unplug the projector for at least 45 minutes to allow it to soft reset.
Clean the air filter to allow the projector better air
circulation. Turn off the projector and unplug it from the outlet.
Remove the air filter cover and use a vacuum to remove dust from the
area. If the filter is unable to be cleaned correctly or is damaged,
then replace it. Pull the air filter from the projector and place the
new one in the now empty slot. Close and secure the air filter cover.
Did you replaced lamp in projector? if yes, please make sure lamp cover is fixed properly on its position. There is safety switch under lamp cover that needs to be pressed to turn off lamp cover light flash. Thanks.
I had this same problem with 2 NEC VT595 projectors. My problem was that there was a broken "tab" on the lamp cover (the plastic cover that slides in place over the lamp) that is supposed to depress a switch which insures the lamp cover is in place before operating the projector. The tab was broken in half and not making the connection there for causing the blinking status light (.5 sec on, 2.5 sec off) indicating a lamp housing or cover error.