| XR4120 OPERATION | ||
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| Troubleshooting | ||
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Problem | Cause | Action | |
| Yellow wire not connected or incorrect | Check connections for proper | |
Unit will not turn on | voltage Red wire not connected or | ||
voltage (11~16VDC) | |||
incorrect voltage | |||
(no power) |
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Black wire not connected | Check connection to ground | ||
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| Fuse blown | Replace fuse | |
| Speaker wires not connected | Check connections at speakers | |
Unit has power | One or more speaker wires touching | Insulate all bare speaker wires | |
(but no sound) | from each other and chassis | ||
| each other or touching chassis ground | ground | |
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| Yellow or red wire touching chassis | Check for pinched wire | |
| ground | ||
Unit blows fuses |
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Speaker wires touching chassis ground | Check for pinched wire | ||
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| Incorrect fuse rating | Use fuse with correct rating | |
NO FILE appears | No playable MP3/WMA files found on | Check the device for valid | |
on display | the device | MP3/WMA files | |
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NO SUPPORT appears | An invalid ID3 tag version is present | Version 1.0 to 2.0 ID3 tags are | |
on display | supported. | ||
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