Appendix; Troubleshooting - Ask Proxima C500 Series Manual

Appendix

Troubleshooting

Before calling your dealer or service center for assistance, check the items below once again.
- Make sure you have properly connected the projector to peripheral equipment.
- Make sure all equipment is connected to the AC outlet and the power is turned on.
- If the projector does not project an image when it is connected to a PC, restart the PC.
Problems
No power
No initial displaying
Initial displaying is inconsistent
with factory defaults
Input signals are automatically
switched (can't be switched)
Ambiguous images
Image turns over leftward/
rightward
Image turns over upward/
downward
Image not bright enough
No image
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– Solutions
- Plug the power cord of the projector into the AC power outlet.
- Check whether the POWER indicator lights red.
- Only when the POWER indicator lights red you can power on the
projector again.
- Check the WARNING indicator. If it is blinking red, the projector can not be
powered on.
- Check the projection lamp.
- Unlock the "Key lock" function.
- Make sure that Logo function is not set to "Off".
- Make sure that Logo function is not set to "Off".
- Properly adjust the Input search function.
- Adjust the focus.
- Set a more proper projection distance.
- Check whether the lens needs to be cleaned.
- When moved from a environment with low temperature to
the one with higher temperature, water will be condensed
on the lens. If so, you have to wait till the condensed water
disappears.
- Check the function of "Ceiling/rear".
- Check the function of "Ceiling".
- Check whether the contrast or brightness is adjusted correctly.
- Check whether the Image mode is properly selected.
- Check the function of lamp brightness adjusting.
- Check the LAMP indicator. If the indicator lights yellow, it means
the service life of the lamp is over. You should replace the lamp with
a new one of the same model immediately.
- Check the connection between Computer or video equipment and
the projector.
- Check whether the signal from Computer is correct. If connected to
certain laptops, the settings of their video adapters need to be
changed. You can refer to the operating instructions of the Computer
for such modification.
- Images can show up only about 20 seconds after the projector
is powered on.
- Check the input signal, color system, video system or Computer
system mode.
- Make sure that the temperature doesn't exceed the permitted
operating temperature(32˚F–104˚F[0˚C–40˚C])。
- If BLANK function is enabled, no image will appear on the screen.
You can then press the BLANK button or other button on the
remote control.