TROUBLESHOOTING (continued)
Symptom
Before requesting repair, consult the following chart. If the situation cannot be corrected, then contact BOXLIGHT at
Table 11. Symptom
Symptom | Possible cause | Remedy | Page | ||
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| The main power switch is not | Turn on the main power switch. |
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| turned on. |
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| 8,9 | ||
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| The power cord is | Plug the power cord into an AC | |||
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The power is not | disconnected. | power outlet. |
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turned on. |
| Turn off the projector with the main |
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| The main power was | power switch (set the power switch | 9 | ||
| disconnected during operation | to [O]), and wait for about 20 | |||
| by the power failure and so on. | minutes. When the equipment has |
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| cooled enough, turn power on. |
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| The input is not correctly set. | Use the projector or remote control | 10 | ||
| transmitter to set. |
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No video or audio. |
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No signal input. | Connect correctly. |
| 7,8 | ||
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| The projector is not correctly | Connect correctly. |
| 7,8 | |
| connected. |
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Video is present but | The volume is set to minimum. | Press VOLUME | on the remote | 11,15 | |
control or display the menu screen | |||||
no audio. |
| and adjust the volume. |
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| Mute is turned on. | Press the MUTE | button. | 11 | |
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| The projector is not correctly | Connect correctly. |
| 7,8 | |
| connected. |
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Audio is present but |
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The brightness adjustment knob | Select BRIGHT with the MENU | 12 | |||
no video. | is rotated fully clockwise. | button and the press the button. | |||
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| The lens cap is still attached. | Remove the lens cap. | 9 | ||
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Colors are pale and | Color density and color |
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| 12 | |
color matching is | matching are not correctly | Adjust the video. |
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poor. | adjusted. |
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| Brightness and contrast are not | Adjust the video. |
| 12 | |
| correctly adjusted. |
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Images are dark. | The lamp is nearing the end of | Replace with a new lamp. | 17 | ||
its service life. | |||||
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| WHISPER mode is set. | Clear WHISPER mode. | 15 | ||
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Video is blurred. | Focus or H PHASE is out of | Adjust the focus or H PHASE. | 9,12 | ||
adjustment. | |||||
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