English - 90
503 Electronics problem Keyboard problem Make sure the cable between the
HMI circuit board and the keypad is
properly connected.
Replace the keyboard. Refer to
5.11 Replacing the keypad on page 68.
Change HMI circuit board
504 Electronics problem Display problem Change HMI circuit board
505 Electronics problem The parameter for the type of
robotic lawnmower is different
in the HMI circuit board and
main circuit board.
The parameter can only be entered
during the initial programming of
the main circuit board. It can not be
changed afterwards. Replace the
main circuit board and ensure that the
correct robotic lawnmower model is
selected.
A used HMI circuit board can be used
only if it has previously been tted to
the same type of robotic lawn mower.
Therefore, it is not possible, for
instance, to use an HMI circuit board
in a Husqvarna 420 if it has previously
been tted to a 430.
Charging station
17 Charging station
blocked
An object is obstructing the
robotic lawnmower.
Remove the object.
Charging station antenna plate
bent.
Make sure the charging station is situ-
ated level.
The contact between the char-
ging strips and contact strips
may be poor and the robotic
lawnmower has made a num-
ber of charging attempts.
Dock the robotic lawnmower in the
charging station and check that the
charging strips and contact strips
make good contact.
16 Stuck in charging sta-
tion
There is an object in the way
of the robotic lawnmower,
preventing it from leaving the
charging station.
Remove the object.
The robotic lawnmower slides
on the charging station's an-
tenna plate.
Clean the antenna plate.
37 Charging current too
high
The battery is being charged
with too high a current.
Fault in power supply or wrong type
of power supply alternatively charging
station is being used.
26 Invalid sub-device
combination
Program the mower with the most re-
cent main program. Refer to
4.3.4 Programming on page 49.
Messages without error codes
N/A Needs manual
charging
The robotic lawnmower is set
to the Secondary area opera-
ting mode.
Place mower in charging station. This
behavior is normal and no further ac-
tion is required.
N/A Wrong PIN Wrong PIN code has been
entered. Five attempts are
permitted, and the keypad is
then blocked for ve minutes.
Enter the correct PIN code. Contact
the local dealer if you forget the
PIN code.
N/A Next start hh:mm The timer setting prevents
the robotic lawnmower from
operating.
Change the timer settings.
The robotic lawnmower's clock
is incorrect.
Set the time.
6. TROUBLESHOOTING
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