Troubleshooting; Overhaul; To Do Troubleshooting Of The Common Service Tool; Troubleshooting Of A Product With A Digital User Interface - Husqvarna 325iLK Workshop Manual

6.1 Overhaul

Examine the components of the product. You find repair
and servicing instructions for each component in the
related chapters of this manual.
6.2 To do troubleshooting of the common
service tool
If there is no signal to the common service tool 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 there is
damage.
2. Make sure that the cable to the common service tool
is clean and not damaged. Replace the cable if there
is damage.

6.3 Troubleshooting of a product with a digital user interface

Symptom
The product does not start. No LEDs
come on when you push the on/off
button.
The electrical motor makes sudden
movement when you push the power
trigger, then stops.
The product stops when you apply
work load.
The user interface LEDs flash.
The motor speed changes.
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6 Troubleshooting

3. Restart the computer.
4. Install the software again.
Possible causes
The battery is defective.
The battery connector is defective.
The connection in the user interface
connector is defective.
The user interface is broken.
The cables between the control unit
and the user interface or main switch
are damaged.
Short circuit in the control unit.
Short circuit in the control unit.
The connection in the user interface
connector is defective.
The connection in the user interface
connector is defective.
Short circuit in the user interface.
The connection in the main switch
connector is defective.
The main switch is damaged or worn. Replace the main switch.
Recommended step
Push the on/off button to do a check
of the battery. A minimum of 1 green
LED must come on.
Make sure that the battery connector
is not dirty or damaged.
Make sure that the user interface
connector is correctly assembled, dry,
not damaged and that there is no cor-
rosion.
Replace the user interface.
Repair or replace the cables if you
can see damages.
Replace the control unit.
Replace the control unit.
Make sure that the power connectors
between battery and product are
clean and not damaged.
Make sure that the user interface
connector is correctly assembled, dry,
not damaged and that there is no cor-
rosion.
Replace the user interface.
Make sure that the main switch con-
nector is correctly assembled, dry,
not damaged and that there is no cor-
rosion.
Troubleshooting - 23