English
Troubleshooting Guide
What might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems.
PROBLEM | POSSIBLE CAUSE | SOLUTION |
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The power does not turn on. | The fuse has blown. | After checking for short circuits in the |
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| cables, replace the fuse with one having |
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| the same rating. |
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| No ACC position on vehicle ignition. | Connect the same cable to the ignition as |
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| the battery cable. |
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Nothing happens when the | The computer chip in the unit is not | Press the reset button on the unit (see |
buttons are pressed. | functioning normally. | page 4). |
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The monitor does not | The parking brake is not engaged. | For safety reasons, the monitor does not |
open/close. |
| open while the vehicle is moving. |
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| Engaging the parking brake. |
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No television/ video image | The unit is not connected to the parking brake | Make proper connections according to |
appears. | detection switch. | ”Connections“ (See page 32). |
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| The parking brake is not engaged. | For safety reasons no television/ video |
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| images are displayed while the vehicle is |
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| moving. Engaging the parking brake will |
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| cause images to be displayed. |
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The screen is dark. | The unit is in a location where temperature is | If the temperature of the monitor unit |
| low. | drops, the screen may appear darker |
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| when power is first turned on due to the |
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| characteristics of a liquid crystal panel. |
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| Wait a while after turning power on for |
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| the temperature to rise. Normal |
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| brightness will return. |
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The screen does not darken | The unit is set to auto dimmer. | When the unit is set to auto dimmer, it is |
when the vehicle’s lights are |
| not linked to the vehicle's light switch. |
turned on |
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| The illumination cable has not been | Make proper connections according to |
| connected. (If manual dimmer is set) | ”Connections“ (See page 31). |
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AM/FM radio reception is poor | The TV antenna and vehicle‘s radio antenna | • Separate the two antennas as far as |
and/or there is noise. | are too close. | possible. |
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| • Turn off the main unit. |
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