Troubleshooting
Solutions to common problems related to your projector are described here. If none of the solutions presented here solves the problem, unplug the projector and consult a
Symptom | Probable cause | Corrective action | Page |
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Power is not supplied. | • Is the power cord disconnected? | • Insert the power cord (plug) firmly. | 24 |
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| • Is the main power switch turned on? | • Turn on the MAIN POWER switch. | 26 |
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| • Is the | • Turn off the MAIN POWER switch, |
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| closed correctly? | close the | 26, 48 |
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| cover, and turn on the main power | |
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| switch again. |
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| • Is the air filter closed correctly? | • Turn off the MAIN POWER switch, fit |
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| the air filter correctly, and turn on the | 26, 51 |
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| main power switch again. |
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| • Has the lamp life expired? (Has the | • Turn off the MAIN POWER switch, |
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| lamp use time reached 1000 hours?) | replace with a new |
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| and turn on the MAIN POWER switch. | 26, 48, 50 |
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| Reset the lamp use time after replacing |
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| with a new lamp. |
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Light is not emitted, | • Is the lens cap removed? | • Remove the lens cap. | 24 |
or light level is low. |
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• Is the lamp life near its end? | • Check the lamp use time on the menu, |
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| and if the lamp life is near its end, | 43 |
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| arrange for a replacement lamp, or | |
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| replace a little earlier. |
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With power on, | • Is the air intake or exhaust area | • Turn off the MAIN POWER switch, |
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operation starts but | blocked? | remove any blocking objects, and turn | 6, 8, 15, 26 |
stops in a few minutes. |
| on the MAIN POWER switch again. |
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Video image does not | • Is the correct input selected? | • Select the correct inputs with the | 27 |
appear, or audio |
| VIDEO and COMPUTER buttons. | |
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sound does not occur. |
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• Are connected devices connected | • Connect connected devices correctly. | 19 | |
| correctly? |
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| • Are signals being supplied from the | • Set connected devices correctly. | |
| connected devices? |
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| • Are input signals (scanning frequency, | • Check if the signal is correct as input |
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| etc.) appropriate? | (scanning frequency, etc.). | 19 |
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| Input the appropriate signal. |
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| • Is the source setting correctly selected? | • Set the source setting to AUTO or to |
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| Isn’t a wrong source (forced mode) | the correct dedicated source (forced | 46, 47 |
| selected? | mode). |
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| • Is brightness adjusted correctly? | • Adjust brightness on the menu. | 39 |
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| • Is volume set at minimum? | • Adjust volume with the remote control’s | 28 |
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| VOL. | |
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| • Aren’t video and audio turned off by | • Press the remote control’s AV MUTING |
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| pressing the remote control’s AV | button to turn video and audio on. | 29 |
| MUTING button? |
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Video image dims. | • Is focus adjusted correctly? | • Adjust focus with the remote control’s | 28, 31 |
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| FOCUS | |
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| • Is distance too short or too long? | • Set the projector at the correct | 16, 17 |
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| distance. | |
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| • Are TRACKING and PHASE adjusted | • Adjust TRACKING and PHASE on the | 31, 37 |
| correctly? | menu. | |
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Color is poor or | • Is picture quality (color density, etc.) | • Adjust picture quality on the menu. | 39 |
unstable. | adjusted correctly? |
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| • Is the correct broadcast system (color | • Set the broadcast system (color | 35 |
| system) selected? | system) to AUTO. |
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| • Are signals (scanning frequency, etc.) | • Check if the signal is appropriate |
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| to connected devices appropriate? | (scanning frequency, etc.), and input | 19 |
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| the appropriate signal. |
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| • Is the source setting correctly selected? | • Set the source setting to AUTO. If the |
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| Isn’t a wrong source (forced mode) | problem still persists, set it to the | 46 |
| selected? | correct dedicated source (forced | |
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| mode). |
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