BOXLIGHT CP-11t manual Troubleshooting

APPENDIX

TROUBLESHOOTING

Before calling your dealer or service station for assistance, check the matters below once again.

1.Make sure you have connected the projector to your equipment as described in the section "CONNECTING THE PROJECTOR" on pages 10 ~ 13.

2.Check cable connection. Verify that all computer, video and power cord are properly connected.

3.Verify that all power is switched on.

4.If the projector still does not produce the image, re-start the computer.

5.If the image sill does not appear, unplug the projector from the computer and check the computer monitor's display. The problem may be with your graphics controller rather than with the projector. (When you reconnect the projector, remember to turn the computer and monitor off before you power up the projector. Power the equipment back on in order of : Projector and computer.)

6.If the problem still exists, check the following chart.

Problem:	Try these Solution
No power.	● Plug the projector into the AC outlet.
	● Be sure READY Indicator light is On.
	● Wait 90 seconds after the projector is turned OFF before turning the projector back on.
	NOTE : After pressing the power ON-OFF switch to OFF, make sure the projector works
	as follows:
	1. The LAMP indicator will light and the READY indicator will turn off.
	2. After 90 seconds, the READY indicator will light green again and the projector
	may be turned on by pressing the power ON-OFF button.
	● Check the TEMPERATURE WARNING indicator. If the indicator flashes red, the
	projector cannot be turned on.
	(See "TURNING ON/OFF THE PROJECTOR" section on page 19.)
	● Check the Projection Lamp. (Refer to page 34.)
Image is out of	● Adjust the focus
focus.	● Make sure the projection screen is at least 4.6’ (1.4m) from the projector.
	● Check the projection lens to see if it needs cleaning.
	NOTE : Moving the projector from a cool temperature location to a warm temperature
	location may result in moisture condensation on the lens. In such an event, leave
	the projector OFF an d wait until condensation disappears.
Picture is Left/Right	● Check Ceiling / Rear feature. (See “SETTING” section on page 31.)
reversed.
Picture is	● Check Ceiling feature. (See “SETTING” section on page 31.)
Top/Bottom
reversed.
Some displays are	● Check Display feature.(See “SETTING” section on page 31.)
not seen during the
Operation.
No image.	● Check the connection between the computer or video equipment and the projector.
	● When turning the projector on, it takes about 30 seconds to display the image.
	● Check the system that you select is corresponding with the computer or the video
	equipment.
	● Make sure the temperature is not out of the Operating Temperature (5°C ~ 35°C).
No sound.	● Check audio cable connection from audio input source.
	● Adjust the audio source.
	● Press VOLUME (+) button.
	● Press MUTE button.

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