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126
TROUBLESHOOTING
Troubleshooting
WARNING Lamp Flash Patterns
The WARNING lamp on the Control Panel flashes in red after the projector is turned off
when there is a trouble in the projector.
z Wait until the cooling fan stops and disconnect the power plug from the AC outlet before
dealing with the trouble.
Flash Pattern Meaning Countermeasure
One flash Temperature
abnormality
The temperature inside the projector is too high for some rea-
son or the outside air temperature is higher than the specified
one. If the problem is inside the projector, check whether the
projector is installed and operated normally, unplug the pro-
jector from the power outlet to cool down the inside of it and
retry projection. If the air intake or exhaust vent is blocked,
remove the obstacle. If the same warning occurs again, the
projector may be defective. Contact your dealer.
Two flashes Faulty lamp The lamp has burnt out. Replace the lamp with a new one. If
the same warning is experienced again, the lamp drive circuit
may be defective. Contact your dealer.
Three flashes Faulty lamp
cover
The lamp cover is open. Unplug the projector from the power
outlet, then install the lamp cover and turn on the projector
again.
If the lamp cover has been installed properly, the lamp cover
detection switch may be defective. Contact your dealer.
Four flashes Faulty cooling
fan
The cooling fan or another component may be defective.
Unplug the projector from the power outlet, then plug it to the
outlet and turn on the projector again. Contact your dealer if
the same warning is given.
Five flashes Faulty power
supply
The abnormal voltage is applied to some parts in the power
supply or any other failure may be occurred. Unplug the pro-
jector from the power outlet, then plug it to the outlet and turn
on the projector again. Contact your dealer if the same warn-
ing is given.
Six flashes System failure Some of the functions may be defective. Turn off the projector
and retry projection. If the same warning is experienced again,
contact your dealer.
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