Husqvarna Automower 550 Workshop Manual page 46

Symptom
The product does not react
when pushing the STOP but-
ton
8.2.2 Symptoms during searching
Symptom
The product runs, but the
blade disc does not rotate
8.2.3 Symptoms during docking
Symptom
The product detects the F sig-
nal, but cannot dock
46 - Troubleshooting
Cause
An object or dirt under the STOP button.
Faulty magnet or Hall sensor for the
STOP button.
Cause
The product is searching for the charging
station. The blade disc does not rotate
when the product is searching for the
charging station.
Cause
Dirt/leaves/grass in the charging station
is preventing the product's charging
plates from making contact with the
charging station's contact plates.
Malfunction in the charging station's cir-
cuit board or in the F-wire.
N signal from the antenna plate is faulty.
The cables for the charging plates in the
product are not connected or connected
incorrectly.
The cables for the contact plates in the
charging station are not connected or are
connected incorrectly.
Action
Remove the object or clean under the
STOP button.
Replace the STOP button. Refer to
replace the START/STOP button on
page 19 .
Action
This behavior is normal and no action is
required.
Action
Clean the charging station.
Replace the charging station's circuit
To replace the circuit
board. Refer to
board in the charging station on page 31 .
Check N signals. Refer to
service tool on page 9 .
Check that the cable lugs for the charg-
ing plates are intact and properly connec-
ted. Make sure that the correct cable is
connected to the correct charging plate.
Plus and minus must be correctly con-
To replace the charging
nected. Refer to
plates on page 26 .
Check that the cable lugs for the contact
plates are intact and properly connected.
Make sure that the correct cable is con-
nected to the correct charging plate. Plus
and minus must be correctly connected.
To replace the contact plates in
Refer to
the charging station on page 31 .
To
Autocheck
1541 - 001 -