Canon REALiS SX7 Mark II Multimedia Projector SX7 MarkII/SX60/X700 User's Manu - Page 126

Troubleshooting, WARNING Lamp Flash Patterns

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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 One flash Meaning Temperature abnormality Two flashes Faulty lamp Three flashes Faulty lamp cover Four flashes Faulty cooling fan Five flashes Faulty power supply Six flashes System failure Countermeasure The temperature inside the projector is too high for some reason 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 projector 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. 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. 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. 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. The abnormal voltage is applied to some parts in the power supply or any other failure may be occurred. 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. Some of the functions may be defective. Turn off the projector and retry projection. If the same warning is experienced again, contact your dealer. TROUBLESHOOTING 126

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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.
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.