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To change the fuse proceed as follows:
• Open the cover of the fuse holder and pull the
automotive flat fuse out of the holder.
Diagram: Changing the cable fuse
• Place a new 30 A automotive flat fuse (supplied)
into the two connections and put the cover back
on the fuse holder.
Handling general failures
Electrical tools
• When an electrical tool will not switch on or
only runs for a short time switch the power inverter
on and off several times while the electrical tool
is switched on.
Television sets
• The power inverter is shielded and puts out a
filtered 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.
IB_KH3900_KOE2257_LB4_EN.qxd 21.02.2008 11:40 Uhr Seite 8