Troubleshooting Of The Battery And Battery Charger - Husqvarna 136LiHD50 Workshop Manual

7.5 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.
A red warning sign flashes on the
charger when the battery is attached.
Solid red warning sign on charger
when put into mains outlet.
Solid red warning sign on charger
during charging.
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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.
Defective connection between charg-
er and battery.
Battery temperature too high.
Ambient temperature too low.
Battery temperature too low.
Defective battery.
Defective charger.
Defective charger.
Defective charger.
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.
Make sure the power plugs between
the charger and battery are not dirty
or damaged.
Let the battery become cool in the
charger (1-5 min).
Make sure that the ambient tempera-
ture is above 5°C.
Make sure that the battery tempera-
ture is higher than 5°C.
Make sure that the battery is in order
by pressing the battery start button. A
minimum of 1 green LED must come
on. If not, replace the battery.
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.
Replace the charger.
Replace the charger.
Troubleshooting - 31