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Handling general failures
Television sets
• The power inverter is shielded and puts out a fil-
tered sine wave. With the reception of, for example,
very weak television stations it can, nevertheless,
result in interferences and/or image breakdown.
• In this case position the power inverter as far
away as possible from the television, antenna
cable and antenna.
• Reposition the power inverter, television, antenna
cable and antenna until reception improves.
• If possible use a high quality, shielded antenna
cable.
Audio systems
• Some audio/video systems issue a buzzing tone
through the speaker when they are being operated
via the power inverter. The reason for this is that
these devices can not filter the modified sine
wave of the power inverter and this is not a defect
in the power inverter.
All manuals and user guides at all-guides.com
Troubleshooting
Low output voltage
Possible cause and remedy:
• The power inverter is overloaded. Reduce the
load until you no longer exceed the maximum
load as specified in the technical data.
• The input voltage is below 11 V. Maintain the in-
put voltage of the power inverter above 11 V to
keep the output voltage constant.
Low battery voltage signal sounds
continually
Possible cause and remedy:
• The battery is defective. Replace the battery.
• Insufficient voltage or power supply. Check the
condition of the 12 V in vehicle receptacle and
the 12 V vehicle plug
these.
No output power
Possible cause and remedy:
• The power inverter is not fully warmed up.
Switch the power inverter on and off again until
the device attached to the power inverter is
supplied with power. Repeat this process in order
to switch the device on.
• The ignition must be switched on for the 12 V in
vehicle receptacle to be supplied with power.
Switch the ignition on and/or in the position I.
• The power inverter is overloaded. Reduce the
load until you no longer exceed the maximum
load as specified in the technical data.
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and if necessary clean
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