Troubleshooting; Troubleshooting Schedule - Husqvarna LB 548 i Workshop Manual

8.1 Troubleshooting schedule

Problem Possible cause
There is no battery in the
battery box.
The battery is defective.
The safety key is not fully in-
stalled in the safety lock.
The relay is defective.
The prod-
Wire fault.
uct does
not start.
The control panel is defec-
tive.
The primary control unit is
defective.
The prod- The micro switch in the han-
uct does dle is defective.
not start,
the warn-
Wire fault.
ing indica-
tor does
not come The primary control unit is
on. defective.

34 - Troubleshooting

8 Troubleshooting
Step Troubleshooting
Make sure that the battery is installed cor-
1
rectly.
Push the button on the battery and do a
1
check of the battery error condition.
Make sure that the safety key is put in cor-
1
rectly in the safety lock.
Make sure that there is a click sound when
1
the ON/OFF button is pushed.
Do a check of the connection to the handle. Connect the wires
1
Do a check of the wires, refer to the wiring
2
diagram.
Do a visual inspection.
1
No troubleshooting is possible.
1
Examine the micro switch. Make sure that
1 there is a click sound when the motor
brake handle is pressed down.
Do a check of the wires, refer to the wiring
1
diagram.
No troubleshooting is possible.
1
To do
Install a battery.
Replace the bat-
tery.
Push the safety key
in the safety lock.
Replace the pri-
mary control unit.
correctly or replace
them if they are de-
fective.
Replace defective
wires.
Replace the control
panel if it is defec-
tive.
Replace the control
unit if it is defective.
Replace the micro
switch if it is defec-
tive.
Replace defective
wires.
Replace the control
unit if it is defective.
1410 - 001 -