Sanyo PLC-XT21 owner manual Appendix, Troubleshooting

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 as described on pages 22–24. –Make sure all equipment is connected to AC outlet and the power is turned on.

–When the projector does not project an image from the connected computer, restart the computer.

Problem:	– Solutions
No power	– Plug the power cord of the projector into the AC outlet.
	– See if the POWER indicator is lit.
	– Wait 90 seconds after the projector is turned off when turning the
	projector back on. The projector can be turned on after the POWER
	indicator stops blinking. See on page 26.
	– Check the WARNING TEMP. indicator. If the WARNING TEMP.
	indicator is blinking, the projector cannot be turned on. See page 67.
	– Check the projection lamp. See page 65.
	– Unlock the Key lock function for the projector. See page 59.

Image is out of focus.

–Adjust focus of the projector. See pages 29, 31.

–Provide proper distance between the projector and projection screen See page 20.

–Check the projection lens to see if it needs cleaning. See page 68.

–Moving the projector from a cool to warm place may result in moisture condensation on the projection lens. In such cases, leave the projector off and wait until condensation evaporates.

No image	– Check the connection between your computer or video equipment and
	the projector. See pages 22–24.
	– See if the input signal is correctly output from your computer. Some
	laptop computers may need to change the setting for monitor output
	when connecting to the projector See your computer’s instruction
	manual for the setting.
	– It takes about 30 seconds to display an image after turning on the
	projector.
	– See if the selected system is corresponding with your computer or
	video equipment. See pages 36, 38.
	– Select correct input source once again through menu operation. See
	page 35.
	– Make sure the temperature is not out of the specified Operating
	Temperature (41 ˚F–95 ˚F [5 ˚C–35 ˚C]).
Image is Left/Right reversed.	– Check the Ceiling/Rear function. See page 50.
Image is Top/Bottom reversed.	– Check the Ceiling function. See page 50.
No sound	– Check the audio cable connection from audio input source.
	– Adjust the audio source.
	– Press the Volume + button. See page 30.
	– Press the Mute button. See page 30.

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