Troubleshooting, Warning lamp flash patterns – Canon REALiS X700 User Manual

Page 122

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122

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.

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