Troubleshooting; Introduction - Troubleshooting; Fault Messages - Husqvarna AUTOMOWER 420 Operator's Manual

6.1 Introduction - troubleshooting

In this chapter, faults and symptoms are described and can guide you if the product does not operate
as expected. More suggestions for steps to take in the event of malfunction or symptoms can be found
on www.husqvarna.com.

6.2 Fault messages

The list below shows a number of fault messages that may be shown in the display of the product.
Speak to your local Husqvarna representative if the same message shows frequently.
Message Cause
Wheel motor
Grass or other objects is wound around
blocked
the drive wheel.
Cutting system Grass or other objects is wound around
blocked
the blade disc.
The blade disc are in a pool of water.
Cutting height
Grass or other objects is wound around
blocked
the cutting height adjustment, or be-
tween the blade disc and chassis.
Trapped
The product is blocked in a small area
behind a number of obstacles.
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6 Troubleshooting

Action
Examine the drive wheel and remove
the grass or other object.
Examine the drive wheel and remove
the grass or other object.
Move the product and prevent the col-
lection of water in the work area.
Examine the blade disc and the bellows
around the cutting height adjustment,
and remove any grass or other objects
that may have got stuck.
Examine if there are obstacles which
make it hard for the product to move
away from this location.
Troubleshooting - 45