Husqvarna Automower 550 Workshop Manual page 44

Messages
Number Message
109 Loop sensor problem
110 Collision
111 No accurate position from satel-
lites
112 Cutting system major imbalance
Messages
Number Message
MESSAGES WITHOUT ERROR CODE
NA Needs manual charging
Next start hh:mm
44 - Troubleshooting
Cause
One or both the loop sensors are
defective.
The product has become stuck.
The body can not move freely
around the chassis.
The body is not properly secured
in the rubber dampers.
One of the collision sensor mag-
nets is missing or inverted.
Weak satellite signal to the refer-
ence station.
Weak satellite signal to the prod-
uct.
The product has discovered vi-
brations in the blade disc.
Cause
The product is set to the
dary area operating mode.
The schedule setting prevents the
product from operating.
The products clock is incorrect.
Action
Replace the defective loop sen-
sors. Refer to
loop sensors and tilt sensor on
page 23 and To replace the motor
control circuit board on page 20 .
Free the product and rectify the
reason.
Remove dirt or foreign objects be-
tween the chassis and the body
to make sure that the body can
move freely around the chassis.
Check that the rubber dampers
are properly attached in the body
and in the chassis.
Check the magnets. Refer to
replace the front collision circuit
board on page 24 and To replace
the rear collision circuit board on
page 24 .
Examine the installation of the
reference station. Refer to
tor's manual for the Reference
station .
The area includes parts where
the satellite signal is weak. Exam-
ine if the product has satellite sig-
nal in the complete area. Exam-
ine if the sky is obscured. If possi-
ble, remove obstructing objects.
Otherwise redo the installation
and exclude these parts.
Continued operation can cause
damage to the cutting system.
Make sure that the blades and
screws are not damaged and not
worn. Make sure that there is only
one blade attached in each posi-
tion on the blade disc.
Action
Secon-
Put the product in the charging
station. This behavior is normal
and no further action is required.
Change the schedule settings.
Set the time.
To replace the rear
To
Opera-
1541 - 001 -