Seiko Group POWERLITE 7500 UB - Manual (Page 58)

58
Problem Solving
Lights indicating a problem
Light state Cause and solution
All lights are off The projector is not receiving power. Make sure the power switch
on the back of the projector is turned on and the power cord is
connected securely at both ends.
The temperature
light flashes
orange and the
power icon is
flashing
High-speed cooling is in progress. If the temperature rises
further, projection will stop automatically. Make sure there is
plenty of space around the projector for ventilation. Clean or
replace the air filter if necessary (see page 50).
If you are using the projector at an altitude above 4900 feet (1500
meters), turn on High Altitude Mode so the fan can cool the
projector properly (see page 47).
The temperature
light is red The projector is too hot, which turns off the lamp automatically.
Let the projector cool for five minutes, then turn it back on. Make
sure there is plenty of space around the projector for ventilation.
Also, clean or replace the filter if necessary (see page 50).
If you are using the projector at an altitude above 4900 feet (1500
meters), turn on High Altitude Mode so the fan can cool the
projector properly (see page 47).
The lamp light
flashes orange and
the power
icon
is flashing
The lamp needs to be replaced soon (see page 52). Make sure
you have a spare lamp handy. If you just replaced the lamp, you
may need to reset the lamp usage timer (see page 55).
The lamp light
flashes red The lamp needs to be replaced. If you just replaced the lamp,
make sure the lamp and its cover are securely installed (see
page 52).
Both warning
lights are flashing
red There is a problem with the auto iris or cinema filter. Turn off the
power switch on the back of the projector, and unplug it from the
electrical outlet. Then contact Epson for assistance (see page 63).
The temperature
light flashes red There is a fan or sensor problem. Turn off the power switch on
the back of the projector, and unplug it from the electrical outlet.
Then contact Epson for assistance (see page 63).
Both warning lights
are red There is an internal problem. Turn off the power switch on the
back of the projector, and unplug it from the electrical outlet.
Then contact Epson for assistance (see page 63).