Troubleshooting - Stihl KGA 770 Gebrauchsanleitung

English

19 Troubleshooting

Always remove the battery before carrying out any work on the power tool.
Condition
Machine does not start when
switched on
Machine cuts out during operation
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
38
Cause
No electrical contact between
power tool and battery
Battery has low charge
(1 LED on battery flashes
green)
Battery too hot / too cold
(1 LED on battery glows red)
Fault in battery
(4 LEDs on battery flash red)
Power tool too hot
(3 LEDs on battery glow red)
Electromagnetic problem or
fault in machine
(3 LEDs on battery flash red)
Moisture in power tool and/or
battery
Battery or machine's electronics
too hot
Electrical or electromagnetic
malfunction
Thermal overload cutout has
tripped – brush contact pres‐
sure too high
Thermal overload cutout has
tripped – side broom or roller
brush blocked
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)
19 Troubleshooting
Remedy
Remove the battery, visually
check contacts and refit battery
Charge the battery
Allow battery to cool down /
allow battery to warm up slowly
at temperature of about +15 °C
- +20 °C
Take the battery out of the
power tool and refit it. Switch on
the machine – if the LEDs con‐
tinue to flash, the battery has a
malfunction and must be
replaced.
Power tool is too hot – allow it
to cool down.
Take the battery out of the
power tool and refit it. Switch on
the power tool – if the LEDs still
flash, the power tool has a mal‐
function and must be checked
by a servicing dealer
Allow power tool / battery to dry
Take battery out of machine,
allow battery and machine to
cool down
Remove the battery and refit it
Adjust brush contact pressure
to suit surface being cleaned
Wait about 30 seconds for over‐
load cutout to cool down.
Remove blockage
Wait about 30 seconds for over‐
load cutout to cool down. If
roller brush is blocked, press
switch to reset overload cutout.
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
0458-769-9621-C
1)
.