Husqvarna Automower 305 Workshop Manual page 38

Messages
Number Message
MOTORS
20/21 Wheel motor blocked,
right/left
22/23 Wheel drive problem,
right/left
35/36 Wheel motor overloa-
ded, right/left
25 Cutting system
blocked
38 - Troubleshooting
Cause
Grass or other object has wrapped
around the drive wheel.
The wheel motor is faulty.
The main circuit board is faulty.
The cabling to the wheel motor is dam-
aged.
Grass or other object has wrapped
around the drive wheel.
Grass or another object may have be-
come wrapped around the blade disc.
The blade disc lies in a pool of water.
The blade motor is defective.
The main circuit board is defective.
The cabling to the blade motor is dam-
aged or faulty.
Action
Check the drive wheel and remove any
objects.
Check the function of the wheel motors
when idling. Replace if faulty. Refer to
To replace the wheel motors on page
30 .
Replace the main circuit board. Refer
To replace the main circuit board on
to
page 23 .
Check whether the damage is repaira-
ble. Replace the wheel motor if neces-
sary.
Check the drive wheel and remove any
objects.
Check the blade disc and remove any
object.
Move the product and prevent the col-
lection of water in the work area.
Make sure the blade motor has the
Tools - Test - Mo-
right speed. Refer to
tors on page 12 .
Replace main circuit board. Refer to
replace the main circuit board on page
23 .
Check whether the damage is repaira-
ble. Otherwise replace the blade motor.
To
1414 - 001 -