Troubleshooting
If you think something is wrong, check the followings before contacting customer service. Please see “Trouble indications” p.93 as well.
If This Happens |
| Check |
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| |
No power | • Is the power cord plugged in? Is it connected to the projector? | |
| • Is the main power switch turned on? p.24 | |
| • Is the outer lamp cover attached properly? p.90 | |
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Power goes out | • | Is the ambient temperature high? p.93 |
during use | • | Is the air intake or air exhaust blocked? p.93 |
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| |
No picture | • Is the input source selected correctly? (When [Auto input search] | |
|
| is [Off]) p.41 |
| • Is the mute function on? p.32 | |
| • Is the brightness setting minimized? p.36 | |
| • Are the connections set up correctly? p.22 p.23 | |
| • Are all the connected devices functioning properly? | |
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No audio | • | Is the mute function on? p.32 |
| • Is the volume setting minimized? p.27 | |
| • Are the connections set up correctly? p.22 p.23 | |
| • Are all the connected devices functioning properly? | |
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|
Picture not | • | Is the input signal supported by the projector? p.97 p.98 |
displayed | • Is there something generating an abnormal video signal, for | |
correctly |
| instance the video tape? |
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|
Picture blurred | • | Is the lens dirty? p.92 |
Part of picture | • | Is the lens focus adjusted optimally? p.27 |
out of focus | • Is the projection distance within the projector’s supported range? | |
|
| p.21 |
| • Is the projector’s screen placement angle tilted too far? p.21 | |
| • Are the sharpness or sampling phase adjustments off? p.36 p.37 | |
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Image is dark | • | Are the brightness or contrast adjustments off? p.36 |
| • Is the lamp nearing the end of its service life? p.43 | |
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Colors too light | • | Are the color, tint, |
Bad shading | • Is the screen dirty? | |
| • Is the blackboard mode set properly? p.41 | |
| • Is the lamp nearing the end of its service life? p.43 | |
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Control panel key | • | Is the key lock function on? p.43 |
doesn’t work |
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If This Happens | Check |
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Remote control | • Is the remote control code identical with the projector's code? p.42 |
doesn’t work | • Are the remote control’s batteries drained? |
| • Are the batteries inserted into the remote control correctly? p.19 |
| • Is the remote control being used within the effective range? p.19 |
| • Are there any obstructions between the remote control and |
| projector? |
| • Are there any fluorescent or other bright lights shining at the |
| projector’s infrared remote sensor? |
|
|
USB device | • Is the USB memory inserted correctly? |
images aren’t | • Is a USB memory not supported by the projector inserted? p.47 |
projected | • Are there any JPEG or MPEG files saved on the USB memory? |
| • Are the files too large or in an unsupported format for the |
| projector? |
| For JPEG files, convert them with the supplied software |
| application. p.81 |
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|
The wireless LAN | • Are the transmission mode, SSID, etc. properly configured? |
doesn’t work | • Are there any obstructions between the computer and the |
| projector? |
| • Do your computer and OS support the supplied software |
| application? p.60 |
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Others
94 | 95 |
