Troubleshooting - Husqvarna 520iHT4 Operator's Manual

Maintenance
Do a check of the connections between the battery and the product. Do a check
of the connection between the battery and the battery charger.
To examine the battery and the battery
charger
1. Examine the battery for damages, for example
cracks.
2. Examine the battery charger for damages, for
example cracks.
3. Make sure that the connection cord of the battery
charger is not damaged and that there are no cracks
in it.
To clean the product, the battery and
the battery charger
1. Clean the product with a dry cloth after use.
2. Clean the battery and battery charger with a dry
cloth. Keep the battery guide tracks clean.
3. Make sure that the terminals on the battery and the
battery charger are clean before the battery is put in
the battery charger or the product.
Keypad
Problem
Green start LED
flashes.
Red error LED flash-
es.
The product does not
start.
Red error LED
comes on.
1266 - 002 - 19.08.2020

Troubleshooting

Possible faults
Low battery voltage.
Overload.
Temperature deviation.
The power trigger and the start button are
pushed at the same time.
Dirt in the battery connectors.
It is necessary to do servicing on the product. Speak to your servicing dealer.
To clean and lubricate the cutter blade
1. Use a cleaning agent to clean resin and remaining
plant particles from the blades.
2. Make sure that the blade bars are not damaged.
Make sure that the blade bars have no deformation.
Remove burrs with a file.
3. Make sure that the blades move freely.
4. Lubricate the blade bars before long periods of
storage.
Possible solution
Charge the battery.
The cutting attachment is blocked. stop the
product. Remove the battery. Clean the cut-
ting attachment from unwanted materials.
Loosen the chain.
Let the product become cool.
Release the power trigger and push the start
button.
Clean the battery connectors with com-
pressed air or a soft brush.
Before
Weekly Monthly
use
X
15