English - 92
6.4.5 Red ashing light
Probably an interruption in the F or N loop in the charg-
ing station’s antenna plate.
Remove the charging station’s cover and disconnect
the connector from the circuit board. Measure the
resistance crosswise between the four pins in the
cabling’s connector that has white cables connected to
it.
• Value for one of the cable pairs >20 Ohm:
Indicates a break in the antenna plate.
Replace the antenna plate.
• Value for both cable pairs < 20 Ohm: Indicates
that the antenna plate is intact. Replace the
charging station’s circuit board. See 5.20
Replacing the main circuit board, charging
station on page 76.
6.4.6 Solid red light
Probably a fault in the circuit board in the charging
station. Replace the circuit board in the charging
station. See 5.20 Replacing the main circuit board,
charging station on page 76.
6.5 Finding a break in the
boundary loop
A break in the loop wire is normally due to inadvertent
physical damage to the wire, e.g. using a spade while
gardening. In countries with ground frost, also sharp
stones that move in the ground can damage the wire.
Breaks can also be due to too high a tension in the wire
during installation.
Cutting the grass very short immediately after the
installation can damage the wire’s insulation. Certain
damage to the insulation may not cause disruptions
until several weeks or months later. To avoid this,
always select the maximum cutting height the rst
week after installation and then lower the height one
to two steps at a time every week until the desired
cutting height has been reached.
A wire break can be found by using Husqvarna’s
break detection tool or with the manual method that
is described below. A description of how the break
detection tool is used is available in a separate service
bulletin.
There is a description below of how to search for
breaks without access to the break detection tool.
The procedure involves gradually halving the distance
of the loop where the break may have occurred until
there is only a very short section of the wire left.
6. TROUBLESHOOTING
TH_1158203_310_315_GARDENA_US.indd 92 2016-05-11 10:16:45
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