Stihl KGA 770 Instruction Manual page 49

Always remove the battery before carrying out any work on the power tool.
Condition
Runtime is too short
Battery jams when being inserted in power
tool / charger
Battery is not being charged even though
LED on charger glows green
LED on charger flashes red
Machine difficult to push
1)
STIHL recommends an authorized STIHL servicing dealer.
2)
see "Inspection and Maintenance by User".
KGA 770
Cause
Battery not fully charged
Useful life of battery has been reached
or exceeded
Sweeping height set too low – side
broom contact pressure too high
Guides / contacts dirty
Battery too hot / too cold
(1 LED on battery glows red)
No electrical contact between charger
and battery
Fault in battery
(4 LEDs on battery flash red for
about 5 seconds)
Fault in charger
Side broom or roller brush blocked
Wrong brush contact pressure
Gearbox components stiff
Remedy
Charge the battery
1)
Check battery and replace
Adjust sweeping height to suit surface
being cleaned
Carefully clean the guides / contacts
Allow battery to cool down / allow battery
to warm up slowly at temperature of
about +15 °C - +20 °C
Operate charger only in closed, dry
rooms at ambient temperatures between
+5°C and +40°C
Remove the battery and refit it
Take the battery out of the power tool
and refit it. Switch on the machine – if the
LEDs continue to flash, the battery has a
malfunction and must be replaced.
Have charger checked by servicing
1)
dealer
Remove blockage
Adjust brush contact pressure to suit sur-
face being cleaned
Spray gearbox components with silicone
2)
spray
English
47