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| VM9215BT | |
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TROUBLESHOOTING |
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| Table 9: Troubleshooting | ||
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Problem | Cause | Corrective Action | |
GENERAL |
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Unit will not power on | Radio Fuse blown | Install new fuse with correct | |
|
| rating | |
| Car battery fuse blown | Install new fuse with correct | |
|
| rating | |
| Illegal operation | Press the RESET button | |
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| located in the bottom right | |
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| corner of the front panel | |
No/low audio output | Improper audio output | Check wiring and correct | |
| connection |
| |
| Volume set too low | Increase volume level | |
| Improper “MUTE” | Review wiring diagram and | |
| connection | check “MUTE” connection | |
| Speakers damaged | Replace speakers | |
| Heavily biased volume | Adjust the channel balance | |
| balance | to the center position | |
| Speaker wiring is in | Insulate all speaker wiring | |
| contact with metal part | connections | |
| of car |
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Poor sound quality or | Pirated disc is in use | Use original copy | |
distortion |
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Speaker power rating | Connect proper speakers | ||
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| not compatible with |
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| unit |
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| Speaker is shorted | Check speaker contact | |
Unit resets itself when | Incorrect connection | Check wiring and correct | |
engine is off | between ACC and |
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| positive battery wire |
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TFT MONITOR |
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Monitor does not | TFT Auto Open is turned | Turn TFT Auto Open on | |
open automaticallyf | off |
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No image | Incorrect connection to | Check wiring and correct | |
| parking brake wire |
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| Parking brake is not | Stop vehicle in safe place | |
| engaged | and apply parking brake | |
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