Husqvarna 520iHE3, Workshop Manual

Page: 52 / 59

52 – English
Troubleshooting
Symptom Possible causes Recommended action
No LEDs come on on the battery
after pressing the status button. Faulty battery Replace the battery.
A warning triangle lights up solid red
on the battery when the status button
is pressed. Faulty battery Replace the battery.
A warning triangle flashes red on
the battery when the status button is
pressed. Temperature too high 1. Wait until the battery has cooled down (or
insert it in the charger so that it cools down
faster).
Undervoltage 2. Charging
Temperature too low 3. Make sure the battery temperature is
higher than -10 C
Faulty battery 4. Replace the battery.
The battery backpack indicates less
than 100% after a full charge. (Usu-
ally 96–97%.) As the battery is used for a
while after charging has com-
pleted, a few percent of the
charge may be consumed by
the electronics. None. Charge is still close to 100%. Charger
starts to charge again if the charge status
drops below 95%.
Charger does not start and no LEDs
light up when the battery is inserted. Poor connection between char-
ger and battery 1. Make sure the power connectors between
the charger and the battery are not dirty
or damaged. See figure 1 in the appendix.
Faulty battery 2. Check battery status (see above).
Defective charger 3. Disconnect the charger from the mains
voltage for at least one minute and then
reconnect to the mains outlet again. Make
sure the fan starts and that the green
LED comes on for approx. 3 seconds. If
they do not start, replace the charger.
A red warning triangle flashes on the
charger when the battery is inserted. Poor connection between char-
ger and battery 1. Make sure the power connectors between
the charger and the battery are not dirty
or damaged. See figure 1 in the appendix.
Battery temperature too high 2. Allow the battery to cool down in the
charger. (1-5 minutes.)
Ambient temperature too low 3. Make sure the ambient temperature is
over 5°C.
Battery temperature too low 4. Make sure the battery temperature is
higher than 5 °C
Faulty battery 5. Make sure the battery is in working order
by pressing the battery status button. At
least one green LED should light up. If
not, the battery should be replaced.
Defective charger 6. Disconnect the charger from the mains
voltage for at least one minute and then
reconnect to the mains outlet again. Make
sure the fan starts and that the green
LED comes on for approx. 3 seconds. If
they do not start, replace the charger.
A warning triangle with a solid red
light is visible on the charger when it
is connected to the mains. Defective charger Replace the charger
A warning triangle with a solid red
light is visible on the charger when
charging. Defective charger Replace the charger
A green lamp on the charger comes
on for approx. 5–15 seconds when
the battery is inserted. Thereafter
flashing red warning triangle. This
procedure is then repeated. Faulty battery Place the battery in a QC330 charger you
know is in working order. If the same prob-
lem occurs, replace the battery.
Defective charger Place a battery you know is in working order
in the charger. If the same problem occurs,
replace the charger.
11 Troubleshooting - battery and charger