6.5 Troubleshooting of the battery and battery charger
Symptom
Possible causes
Recommended step
No LEDs flash on the battery when
you press the start button.
Defective battery.
Replace the battery.
A warning sign shows a constant red
light on the battery when the start but-
ton is pressed.
Defective battery.
Replace the battery.
A warning sign flashes red on the bat-
tery when the start button is pressed.
Temperature is too high.
Wait until the battery has become
cool (or insert in charger to let it be-
come cool faster).
Low voltage.
Charge the battery.
Temperature too low.
Make sure that the battery tempera-
ture is higher than -10° C.
Defective battery.
Replace the battery.
The battery shows less than 100% af-
ter a full charge. (Usually 96-97%).
Some ratio of the charge may be
used up by the electronics.
None. The charger restarts when the
charge level is less than 95%.
Charger does not start and no LEDs
come on when the battery is attach-
ed.
Defective connection between charg-
er and battery.
Make sure that the power plugs be-
tween the charger and the battery are
clean and not damaged.
Defective battery.
Check battery start.
Defective charger.
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.
A red warning sign flashes on the
charger when the battery is attached.
Defective connection between charg-
er and battery.
Make sure the power plugs between
the charger and battery are not dirty
or damaged.
Battery temperature too high.
Let the battery become cool in the
charger (1-5 min).
Ambient temperature too low.
Make sure that the ambient tempera-
ture is above 5°C.
Battery temperature too low.
Make sure that the battery tempera-
ture is higher than 5°C.
Defective battery.
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.
Defective charger.
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.
Solid red warning sign on charger
when put into mains outlet.
Defective charger.
Replace the charger.
Solid red warning sign on charger
during charging.
Defective charger.
Replace the charger.
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Troubleshooting - 23