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This projector as with most high power projectors will have a cool down period for the lamp once the power button is pushed from on to off. For this model, the cool down period is 120 seconds after which the unit will fully power down. You can override this cool down period by pushing and holding the power button for 1 seconds. If you use this procedure though, you should not power up the projector again for at least 60 seconds to allow the internal temperatures to stabilize.
if the Lamp error and Temperature error lights are flashing red this means that there are two separate errors.
flashing lamp light means the lamp failed to ignite. It could be a lamp
driver problem or lamp failure. Replace the lamp to resolve the issue.
If the issue is not resolved, then service the projector.
A flashing Temperature light signals a fan error. Turn the projector
off and allow it to cool down. If the light is still flashing after the
projector is turned back on, service the projector.
Don't cut power to a projector when you power down. The fan has to run after the projector is powered down so that the lamp can cool evenly. If you unplug or if there is a power failure the lamp will develop cracks around the edges of the reflector and will fail quickly. If the fan is not moving air through the projector, it will overheat and shut down.
the clicking sound hopefully is the high voltage trying to start the lamp, but for some reason there may be a connection problem between the lamp and the projector power supply.
take the lamp out.
look at the lamp and check that the 2 connecting plugs are ok.
then look inside the projector at the power sockets that connect to the lamp (when it's installed).
check that the pins are not damaged or pushed down too far to prevent the lamp plugs making a proper connection with the power sockets in the unit.
reset the lamp hour counter by (after you plug it in) holding down the enter, down, and menu buttons then press the power button. if it comes on, replace the lamp, it's old. if not, make sure the lamp door is closed completely and there's nothing blocking the fans.