Troubleshooting
Before sending the unit for repair, check the following chart.
Symptom | Probable Cause | Corrective Action | ||
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Unit does not | Is the power cord disconnected? | Insert the power cord (plug) properly | ||
power up |
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Is the lamp cover properly shut? | Remove the plug when the STAND | |||
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| BY indicator is on. Close the lamp | |
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| cover properly and insert the plug | |
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| again. | |
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| Has the lamp life expired (has the | Remove the plug when the STAND | |
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| lamp usage time reached 2000 | BY indicator is on. Install a new | |
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| hours)? | lamp unit. Upon doing so, insert the | |
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| plug. Reset the lamp time after | |
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| installing a new lamp unit. | |
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Projected | Is the lamp near exhaustion? | Check the lamp usage time on the | ||
image is dim |
| menu. Prepare a new lamp (lamp | ||
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| unit) or replace as soon as possible | |
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| when the lamp is near exhaustion. | |
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| Is “ Power Save” on the setting menu | Set the “ Power Save” setting to | |
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| set to “ On” ? | “ Off” . | |
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Unit works | Are the air suction openings (air | Remove the plug when the STAND | ||
when the | inlets) and exhaust vents blocked? | BY indicator is on. Remove any | ||
power is |
| blocking object. Upon doing so, insert | ||
turned on but |
| the plug. | ||
stops |
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Are the filters dirty? | Clean the filters. | |||
abruptly after | ||||
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a few |
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minutes |
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Video image | Are devices properly connected? | Connect devices correctly. | ||
does not |
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Is the lens cap removed? | Remove the lens cap. | |||
display | ||||
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| Are correct signals (1080/50p or | Set connected devices correctly. | |
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| 1080/60p) being output from the |
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| connected devices? |
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| Is the video image temporarily turned | Press the HIDE button to display the | |
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| off when the HIDE button is being | video image again. | |
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| pressed? |
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Video image | Is the focus correctly adjusted? | Adjust accordingly using the focus | ||
is blurred |
| button. | ||
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| Is the unit placed too near or too far | Set the unit at a correct distance from | |
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| away from the screen? | the screen. | |
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Video images | Has setting been performed for | Set the “ Mask” setting of the Setup | ||
are missing | screen mask? | menu to “ Off” . | ||
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| Has setting been performed for | Alter the “ Picture Shift” value in the | |
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| picture shift? | “ Setup” menu to ensure that images | |
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| are not missing. | |
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Remote | Are batteries installed correctly? | Match the polarities (+ or – ) | ||
control unit |
| correctly when inserting the batteries. | ||
does not |
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Are batteries exhausted? | Replace with new batteries. | |||
work | ||||
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| Is there an obstruction | Remove any obstruction. | |
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| between the remote control unit and |
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| remote sensor? |
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| Is the remote control held too far | Hold the remote control closer to the | |
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| away from the sensor? | sensor when using. | |
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•This projector employs a microcomputer. Excessive external electrical and RF noise may cause it to lock up. If this happens, turn the unit off, disconnect the power, wait at least ten seconds and then
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