Symptoms - Husqvarna AUTOMOWER 420 Operator's Manual

6.5 Symptoms

If your product does not work as expected, follow the symptoms guide below.
There is a FAQ (Frequently Asked Questions) on www.husqvarna.com which provides more detailed answers to a
number of standard questions. Contact Husqvarna customer service if you still cannot find the reason for the fault.
Symptoms Cause
The product has diffi- The guide wire is not laid in a long straight
culty docking. line that is far enough out from the charging
station.
The guide wire is not inserted in the slot un-
der the charging station.
The charging station is not on a level sur-
face.
The product runs at The clock or the date in the product is not
the wrong time correct.
The start and stop times for mowing are in-
correct.
The product vibrates. Damaged blades lead to imbalance in the
cutting system.
Too many blades in the same position lead
to imbalance in the cutting system.
Different versions (thickness) of blades are
used.
The product runs, but The product searches for the charging sta-
the blade disc does tion, or is reversing out of the charging sta-
not rotate. tion.
The product mows Grass or other foreign object blocks the
for shorter periods blade disc.
than usual between
The battery is spent.
charges.
Dull blades. More energy is needed when
cutting the grass.
Both the mowing and The battery is spent.
charging times are
shorter than usual.
46 - Troubleshooting
Action
Check that the charging station has been in-
stalled according to the instructions in
amine where to put the boundary wire on
page 16
Make sure that the guide wire is in the cor-
rect position below the charging station. Re-
fer to To install the guide wire on page 21 .
Place the charging station on a surface that
To examine where
is entirely level. Refer to
to put the charging station on page 15 .
Set the clock or date. Refer to
time & date on page 31 .
Schedule settings. Refer to
Change the
Schedule on page 24 .
Inspect the blades and screws and replace
them if necessary. Refer to Replace the
blades on page 37 .
Check that only one blade is fitted at each
screw.
Check if the blades are of different versions.
No action. The blade disc does not rotate
when the product is searching for the charg-
ing station.
Remove and clean the blade disc. Refer to
Chassis and blade disc on page 36 .
Replace the battery. Refer to
page 37 .
Replace the blades. Refer to
blades on page 37 .
Replace the battery. Refer to
page 37 .
1201 - 005 - 19.03.2021
To ex-
To set the
Battery on
Replace the
Battery on