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5 Troubleshooting
Chapter 5 will help you identify the source of most problems that can occur with the
Mobile Digital Power Inverter.
If you have a problem with the inverter, please review this chapter before contacting
your dealer.
Buzz in Audio Equipment
Some inexpensive stereo systems may emit a buzzing noise from their loudspeakers
when operated from the Mobile Digital Power Inverter. This occurs because the
power supply in the audio system does not adequately filter the modified sine wave
produced by the inverter. The only solution is to use a sound system that has a
higher quality power supply.
Television Reception
When the Mobile Digital Power Inverter is operating, it can interfere with
television reception on some channels. If interference occurs, try the following:
1. Make sure that the television antenna provides an adequate ("snow‐
free") signal, and that you are using good quality cable between the antenna and the
television.
2. Keep the cables between the battery and the Mobile Digital Power Inverter
as short as possible, and twist them together with two to three twists per foot. (This
minimizes radiated interference from the cables.)
3. Move the television as far away from the Mobile Digital Power Inverter as
possible.
4. Do not operate high power loads with the Mobile Digital Power Inverter while
the television is on.
Troubleshooting Reference
WARNING: Electrical Shock and Burn Hazard
Do not disassemble the Mobile Digital Power Inverter. It does not contain any user
serviceable parts. Attempting to service the unit yourself could result in an electrical
shock or burn.
12
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