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4 Troubleshooting
4-1 Before Requesting Service
Please check the following symptoms and solutions before requesting
| Symptoms | Troubleshooting | |
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| No Power. | • Check the power cable connections. | |
| • Check how much power remains in the battery. | ||
Installation and |
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| • Check if the cable to the external device is connected to the | ||
Connection |
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| Cannot select External Source. | correct signal port. If not connected correctly, the projector | |
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| cannot select the device. | |
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| • Be sure that the power cord of the projector is connected. | |
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| • Check how much power remains in the battery. | |
| Cannot see picture images. | • Be sure that the proper input source is selected. | |
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| • Check if the connectors are properly connected to the ports | |
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| at the back of the projector. | |
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Screen and |
| • Adjust the [FOCUS]. | |
Images are not clear. | • Check if the projector is too far from or too near to the | ||
External Source | |||
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| screen. | |
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| Strange noise. | • If a strange sound continues, contact your Service Center. | |
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| An indicator blinks. | • Refer to the LED Indications section. | |
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| Lines appear on screen. | • | |
| the frequency (refresh rate) of the screen. | ||
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Troubleshooting |