Husqvarna LC 141VLi Workshop Manual page 32

Appendices and schedules
Fault Possible cause
Problem with
communication
between
product and
battery
The products
stops when it
is operated,
the warning The microswitch
indicator in the handle is
flashes defective
The product is
overloaded
The circuit
board is
defective
The battery
indicator does Wiring fault
not work
The motor
controller unit is
defective
The load is too
high
The circuit
board is
The SavE
defective
function does
not work
Wiring fault
The motor
controller unit is
defective
32 – English
Steps Troubleshooting
Examine the white connector between the product
1
and the battery
Examine the pink cable from 579 68 66-02 through
2
connector X7 to 579 68 64-01
Examine the microswitch. Make sure there is a
3 click sound when the motor brake handle is
pressed down
Press the far left end of the motor brake handle
4
down
Examine the attachment of the spring in the plastic
5
housing
6 Examine the attachment of the microswitch
Operate the product without putting a load on the
7
blade
1 Do a visual inspection
Examine the blue cable from 582 02 92-01 through
2
connector X6, X8, X12 to 579 68 86-01
Examine the black cable from 579 68 64-01
3
through connector X9, X11 to 579 68 86-01
Measure the voltage between the blue cable
(X12.4) and black cable (X11.1) in the plastic
4 housing at the left end of the handle. The voltage
must be equal to the battery voltage when the
safety key is in position 1.
5 No troubleshooting possible
At a load of more than 12A the product switches
1
from SaveE to normal mode.
2 Do a visual inspection
Examine the gray cable from 579 68 64-01 through
3
connector X9, X11 to 579 68 86-01
4 No troubleshooting possible
Action
Replace cabling 579 68
66-02 (battery connector)
Replace 589 96 99-01 (upper
handle kit)
The product stops if the load
is more than 25A
Replace 589 96 99-01 (upper
handle kit)
Replace 579 68 64-01 (motor
controller unit)
No action, the behavior is
correct
Replace 589 96 99-01 (upper
handle kit)
Replace 579 68 64-01 (motor
controller unit)