Problem Possible cause Step Troubleshoot
Action
The SavE function
does not work.
The load is too high.
1
With increased load the product
switches from SavE to normal
mode.
No action, the behavior is
correct.
The control panel is
defective.
1
Do a visual inspection. Replace the control board if
defective.
Wiring fault.
1
Check wiring according to wiring
diagram.
Replace defective wiring.
The main controller
unit is defective.
1
No troubleshooting possible. Replace the control unit if
defective.
The drive does not
work (only on LC
347VLi).
Wiring fault.
1
Check wiring according to wiring
diagram.
Replace defective wiring.
The microswitch in
the handle is defec-
tive.
1
Examine the microswitch in the
motor control box. Make sure
there is a click sound when the
propulsion bar is pulled.
Replace motor control box
if defective.
The transmission is
defective.
1
Make sure that the voltage gets
to the transmission. The voltage
from transmission must be equal
to the battery voltage when the
safety key is in position 1, ON
button is activated and propul-
sion bar is pulled.
Replace the transmission if
defective.
The main controller
unit is defective.
1
No troubleshooting possible.
Replace the control unit if
defective.
8.2 To use the common service tool (CST)
The CST transmits data from Husqvarna products and
the batteries to a computer (not included). There is a
diagnostic tool list and a list of saved error codes. The
CST can also update the software in battery products.
Note: To make sure that the product is fully updated you
must do the updates on battery slot 1 and battery slot 2.
1. Remove the battery from the product.
2. Connect the adapter cable (A) to the battery (B) and
to the battery slot connector (C) on the product.
3. Connect the cable (D) to the CST.
4. Start the product, turn the safety key to 1.
5. Push the ON/OFF button on the control panel.
6. On the computer, select the model type of the
connected product.
7. On the computer, select the battery slot that is
connected.
8. On the computer, start the update and wait until the
update is done.
9. Stop the product, turn the safety key to 0.
10. Connect the adapter cable to the next battery slot
and do steps 3-7 again.
11. When the updates on the 2 battery slots are done,
make sure that the product works correctly.
Note: If you change certain components, updates
are required in CST.
8.3 To do troubleshooting of the common
service tool (CST)
If there is no signal to the CST when it is connected to
the product, do the procedure that follows.
1. Make sure that the connectors on the battery and on
the product are clean and not damaged. Replace the
battery or control unit on the product if it is damaged.
2. Make sure that the cable to the CST is clean and not
damaged. Replace the cable if it is damaged.
3. Restart the computer.
4. Install the software again.
38 - Troubleshooting 361 - 001 -
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