Husqvarna AUTOMOWER 420 Operator's Manual page 42

Message
Electronic problem
Loop sensor prob-
lem, front/rear
Tilt sensor problem
Temporary problem
Wheel drive problem,
right/left
Invalid device combi-
nation
Ultrasonic problem
GPS navigation prob-
lem
Temporary battery
problem
Faulty mix of batter-
ies
Battery problem
Battery temperature
outside limits
Charging current too
high
Charging system
problem
Connectivity problem
42 - Troubleshooting
Cause
Temporary electronic or firmware related is-
sue in the product.
Temporary battery or firmware related issue
in the product.
Wrong type of battery
The product does not operate if the battery
temperature is too high or too low.
Wrong or faulty power supply unit.
There is corrosion or dirt on the charging
plates and contact plates.
Temporary electronic or firmware problem in
the product.
Potential problem on the connectivity circuit
board in the product.
Action
Restart the product.
If the problem stays, speak to your approved
servicing dealer.
Restart the product.
If the problem stays, speak to your approved
servicing dealer.
Use only original batteries recommended by
the manufacturer.
The product starts to operate again when the
temperature is between the set limits and the
schedule settings let the product to operate.
Make sure that the charging station is put in
an area with protection from the sun.
Restart the product.
If the problem stays, speak to your approved
servicing dealer.
Restart the product. Clean the charging
plates on the product and the contact plates
on the charging station.
Restart the product. If the problem stays,
speak to your approved servicing dealer.
Restart the product.
If the problem stays, speak to your approved
servicing dealer.
1201 - 007 - 20.02.2023