Husqvarna AUTOMOWER 420 Operator's Manual page 47

Message Cause
Outside work area The boundary wire connections to the
charging station are crossed.
The boundary wire is too close to the
edge of the work area.
The work area slopes too much by the
boundary loop.
The boundary wire is laid in the wrong
direction around an island.
Disturbances from metal objects (fen-
ces, reinforcement steel) or buried ca-
bles close by.
The product finds it hard to distinguish
the signal from another product installa-
tion close by.
Empty battery
The product cannot find the charging
station.
The battery is spent.
The charging station's antenna is de-
fective.
No drive
The product has hit an obstacle and
stopped or the wheels cannot move on
the wet grass.
The work area includes a steep slope.
The guide wire is not laid at an angle
on a slope.
1201 - 004 - 25.03.2020
Action
Make sure that the boundary wire is
connected correctly to the charging sta-
To install the boundary
tion. Refer to
wire on page 22 .
Make sure that the boundary wire is put
To install the
down correctly. Refer to
boundary wire on page 22 .
Try to move the boundary wire and/or
make more islands in the work area to
increase the signal strength.
Put the product in the charging station
and generate a new loop signal. Refer
To create a New loop signal on page
to
28 .
Change the position of the guide wire.
Refer to To install the guide wire on
page 23 .
Check the installation settings about
how to find the charging station. Refer
To set how the product finds the
to
charging station on page 31 .
Replace the battery. Refer to
on page 43 .
Check if the indicator lamp in the
charging station flashes red. Refer to
Indicator lamp in the charging station
on page 54 . This problem requires ac-
tion by authorized service technician.
Free the product and rectify the reason
for the lack of drive. If it is due to wet
grass, wait until the lawn has dried be-
fore using the product.
Maximum guaranteed slope is %.
Steeper slopes should be isolated. Re-
To put the boundary wire in a
fer to
slope on page 19 .
If the guide wire is laid on a slope, it
must be laid at an angle across the
To make a secondary
slope. Refer to
area on page 20 .
Troubleshooting - 47
Battery