Canon SX50 Realis_E.pdf - Page 79

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TROUBLESHOOTING Understanding the Warning Lamp Flash Patterns When an internal problem occurs, the WARNING lamp on the Control Panel flashes red. When dealing with the problem, turn off the projector, wait until the cooling fan stops, remove the power plug from the AC outlet. Flash Pattern One flash Two flashes Three flashes Four flashes Five flashes Meaning Abnormal temperature Faulty lamp Faulty lamp cover Faulty cooling fan Faulty power supply 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, 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. The lamp has burnt out. Replace the lamp with a new one. If the same warning occurs again, the lamp drive circuit may be defective. Contact your dealer. The lamp cover is open. Check whether the lamp cover is installed properly. If it is installed properly, the lamp cover detection switch may be defective. Contact your dealer. The cooling fan or another component may be defective. Contact your dealer. The voltage of part of the power supply is abnormally high or any other problem has occurred in the power supply. Contact your dealer. TROUBLESHOOTING 79

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79
TROUBLESHOOTING
Understanding the Warning Lamp
Flash Patterns
When an internal problem occurs, the WARNING lamp on the Control Panel flashes red.
When dealing with the problem, turn off the projector, wait until the cooling fan
stops, remove the power plug from the AC outlet.
Flash Pattern
Meaning
Countermeasure
One flash
Abnormal
temperature
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, 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 occurs again, the lamp drive
circuit may be defective. Contact your dealer.
Three flashes
Faulty lamp
cover
The lamp cover is open. Check whether the lamp
cover is installed properly. If it is 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. Contact your dealer.
Five flashes
Faulty power
supply
The voltage of part of the power supply is abnormally
high or any other problem has occurred in the power
supply. Contact your dealer.
TROUBLESHOOTING