Canon LV-X1J, Service Manual, Page: 46 / 71

3-10
Part 3: Adjustment
4. TROUBLESHOOTING
When the projector does not light, check the projector following procedure.
Both are not lighting.
Check power cord connected properly and Lamp Replacement cover is
closed. The safety switch is provided under Lamp Replacement cover.
Connect project power cord into AC outlet. Check if Lamp Indicator lights in red and Ready Indicator
lights in green.
Trouble may be in the projector.
Open projector top cabinet.
Check Thermal Switch is open. Re-set (press) Thermal Switch.
Check if Lamp Indicator and Ready Indicator light.
Check if Fuse in the power unit is open.
Power supply unit may be defected.
Thermal Switch is activated by increasing temperature of inside the
projector.
Check cause of temperature increasing, such as accumulate air filter or
Fan operation.
Press power button.
Is projector turned on and cooling fans running and projector lighting properly?
Yes
Yes
No
No
No
No
Projector starts running, however after 2 - 3 seconds projector will be turned OFF* again.
Check Fans connection and Fan itself.
Check if +B power supply aircuit is shortened (ground).
* Once disconnect the AC power cord from AC outlet to try to turn on the projector.
No