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Maintenance; Technical Data; Fault Codes; Fuse - Husqvarna BLi520x Operator's Manual

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Store the battery, the adapter and the battery charger
in a dry, moisture-free and frost-free space.
Store the battery, the adapter and the battery charger
where the temperature is between 5 °C and 45 °C and
never in direct sunlight.
Be sure to store the battery and the adapter separated
from the battery charger.
Do not store the battery in places where static
electricity can occur. Never store the battery in a metal
The energy density of the back pack battery is higher than
100 W/h. Therefore it is not allowed to send it by post.
Please contact your local dealer.


Regulary check that the battery charger and the battery
are intact.
Make sure the battery and battery charger (especially the
terminals) are always clean and dry before the adapter is
placed in the battery charger or in the products.
Keep the battery guide tracks clean. Clean plastic parts
with a clean and dry cloth.
Make sure that the ventilation slots are clean (both up and
down). Otherwise the ventilation is limited.
Clean slots with a clean and dry brush.

Fault codes

Troubleshooting on battery and on adapter.
LED display
Error LED
Over voltage
Error LED is lit
or battery does
difference too
not show any
much (1V)
The battery will not be charged if the battery
temperature is over 45 °C. In that case the battery will
actively cool down.
If the LED on the battery charger is lit solid red, the
battery charger requires a service.
6 – English
Possible action
Use the battery in
surroundings where
temperatures are
between -10 °C and
45 °C
Check that the mains
voltage corresponds
with that stated on
the rating plate on
the machine
Remove the battery
from the battery
Charge the battery
Contact your service
Fuse (fig. D)
Check the fuse, change if it has blown. Use only
genuine parts for repairs. The warranty is not valid if
non genuine parts are used.
Switch off the battery (green LED (13) off).
Remove the cover (20) with a screwdriver.
Change the fuse
Disposal of the battery, battery charger
and machine
Symbols on the product or its packaging indicate that this
product cannot be handled as domestic waste. It must
instead be submitted to an appropriate recycling station
for the recovery of electrical and electronic equipment.
By ensuring that this product is taken care of correctly, you
can help to counteract the potential negative impact on
the environment and people that can otherwise result
through the incorrect waste management of this product.
For more detailed information about recycling this
product, contact your municipality, your domestic waste
service or the shop from where you purchased the

Technical data

Types of battery
Battery capacity, Ah 14,4
Voltage, V
Weight, kg
EC Declaration of Conformity (Applies to
Europe only)
Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-
36-146500, declares under sole responsibility that the
Back Pack batteries, Husqvarna BLi 520x and BLi 940x
from 2013's serial numbers and onwards (the year is
clearly stated in plain text on the rating plate with
subsequent serial number), are in conformity with the
requirements of the COUNCIL'S DIRECTIVES
- of December 15, 2004 "relating to electromagnetic
compatibility" 2004/108/EC.
- of June 08, 2011 on the 'restriction of use of certain
hazardous substances' 2011/65/EU
The following standards have been applied: 55014-
1:2012, 55014-2:2009
Ulm 3 juni 2013
Peter Lameli, CTO



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