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5
T R O U B L E S H O O T I N G
This section helps you resolve problems you may encounter while setting up or using your MultiSync LT81/LT100 Projector.
Status Light Messages
Condition
OFF
On Continually
Blinking very rapidly
(On and off in a cycle of 1 sec.)
Blinking rapidly
(On and off in a cycle of 4 sec.)
Blinking Slowly
(On and off in a cycle of 8 sec.)
Blinking very slowly
(On and off in a cycle of 12 sec.)
Normal
The projector lamp has exceeded 1000 hours of operation and should be replaced.
The lamp housing is not correctly installed. Install it correctly.
•
The temperature protector has been triggered. If the room temperature is high, move the projector
to a cooler location. If the temperature inside the projector is high, check the cooling fan ventila-
tion hole and the ventilation hole on the bottom of the projector. If any of the holes are blocked,
remove whatever is blocking them.
•
The temperature protector has been triggered. If you switch the main Power switch Off, then
immediately switch it On again, sometimes the power does not come on. If this happens, wait one
minute, then switch the power On again.
The cooling fan has stopped. Contact your NEC dealer for service.
The lamp is not turned on.
• The projector was turned off and back on too quickly. Turn off the projector, wait one
minute, then turn the projector back on. Or the lamp is burnt out.
Status
TROUBLE SHOOTING
89
90
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