Canon SX7 Manuel D'Instructions

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TROU
BL
ESHOOT
ING
Troubleshooting
WARNING Lamp Flash Patterns
The WARNING lamp on the Control Panel flashes in red when there is a trouble in the pro-
jector.
z Turn off the projector, wait until the cooling fan stops, and remove 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 pro-
jector is installed and operated normally, turn off the projector
to cool its inside, and retry projection. 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. Turn off the projector and unplug it
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. Con-
tact your dealer.
Five flashes
Faulty power 
supply
The abnormal voltage is applied to some parts in the power
supply or any other failure may be occurred. Turn off the pro-
jector and unplug it 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.
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.