Husqvarna Automower 550 Workshop Manual page 42

Messages
Number Message
66 Battery problem
68 Temporary battery problem
70 Alarm! Mower stopped
73 Alarm! Mower was moved
74 Alarm! Mower outside Geofence
77 Connectivity problems
78 Slipped
79 Faulty mix of batteries
80 Cutting system imbalance
90 No power in charging station
42 - Troubleshooting
Cause
Battery not connected correctly,
or is defective.
Wrong type of battery.
The motor control circuit board is
defective.
Only 1 of 2 batteries is connec-
ted.
Alarm activated as the product
has been stopped.
Alarm activated as the product
has been moved.
Alarm activated as the product
was moved outside the Geofence
area.
Problem with the Automower
Connect module.
The product has got caught in
something.
The work area includes a steep
slope.
Incorrect combination of battery
types.
The product has discovered vi-
brations in the cutting disc.
Wrong or faulty power supply
unit.
Power failure.
No contact between the contact
plates and the charging plates.
Action
Make sure that the battery is cor-
rectly connected. Refer to
place the batteries on page 25 .
Use only original batteries recom-
mended by the manufacturer.
To replace the motor
Refer to
control circuit board on page 20 .
Make sure that the 2 batteries are
correctly connected. Refer to
replace the batteries on page 25 .
Adapt the security level of the
Security menu .
product in the
®
Restart the product. If the fault
To replace the
persists, refer to
communication circuit board on
page 22 .
Free the product and rectify the
reason for the lack of drive. If it is
due to wet grass, wait until the
lawn has dried before using the
product.
Check the maximum guaranteed
slope. Steeper slopes should be
isolated.
Use only original batteries recom-
mended by the manufacturer.
Make sure that the blades and
screws are not damaged and not
worn. Make sure that all blades
are correctly attached. Make sure
that there is only one blade at-
tached in each position on the
blade disc.
Examine the power supply. If it is
necessary, replace the power
supply.
Find and rectify the cause of the
power failure.
Make sure that the charging
plates and the contact plates are
connected.
To re-
To
1541 - 001 -