Troubleshooting Of A Product With A Mechanical User Interface; Troubleshooting Of The Battery And Battery Charger - Husqvarna 325iLK Workshop Manual

6.4 Troubleshooting of a product with a mechanical user interface

Symptom
The product does not start.
The electrical motor makes sudden
movement when you push the power
trigger, then stops.
The motor speed changes.

6.5 Troubleshooting of the battery and battery charger

Symptom
No LEDs flash on the battery when
you press the start button.
A warning sign shows a constant red
light on the battery when the start but-
ton is pressed.
A warning sign flashes red on the bat-
tery when the start button is pressed.
The battery shows less than 100% af-
ter a full charge. (Usually 96-97%).
Charger does not start and no LEDs
come on when the battery is attach-
ed.
726 - 002 - 23.01.2020
Possible causes
The battery is defective.
The battery connector is defective.
The main switch is broken.
The cables between the control unit
and the main switch are damaged.
Short circuit in the control unit.
Short circuit in the control unit.
The connection in the main switch
connector is defective.
The main switch is damaged or worn. Replace the main switch.
Possible causes
Defective battery.
Defective battery.
Temperature is too high.
Low voltage.
Temperature too low.
Defective battery.
Some ratio of the charge may be
used up by the electronics.
Defective connection between charg-
er and battery.
Defective battery.
Defective charger.
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.
Replace the main switch.
Repair or replace the cables if you
can see damages.
Replace the control unit.
Replace the control unit.
Make sure that the main switch con-
nector is correctly assembled, dry,
not damaged and that there is no cor-
rosion.
Recommended step
Replace the battery.
Replace the battery.
Wait until the battery has become
cool (or insert in charger to let it be-
come cool faster).
Charge the battery.
Make sure that the battery tempera-
ture is higher than -10° C.
Replace the battery.
None. The charger restarts when the
charge level is less than 95%.
Make sure that the power plugs be-
tween the charger and the battery are
clean and not damaged.
Check battery start.
Disconnect charger from the mains
outlet for a minimum of 1 minute and
then connect to the mains outlet
again. Make sure that the fan starts
and that the green LED comes on for
approximately 3 seconds. If not, re-
place the charger.
Troubleshooting - 25