Stihl BGA 85 - 4 Troubleshooting; Flowchart

7BGA 85
4. Troubleshooting
4.1 Flowchart
Machine does not run or only hums
Check battery for state of charge,
correct installation and external
damage (housing, seal, contacts)
no
yes
Battery
- Charged?
- Properly installed?
- Good condition?
Check light emitting diodes (LEDs)
on the battery
Charge / install
properly / replace.
Machine
runs?
yes
no
LEDs glow or
flash red?
Fault in power
tool, check power
tool
Fault in battery,
check
with ADG 1 and
replace if
necessary
Power tool too hot
– allow power tool
to cool down
Battery too hot /
too cold, allow it
to cool down /
warm up
3 LEDs flash
Machine
runs?
no
yes
4 LEDs flash
3 LEDs glow
1 LED glows
2
3
yes
no
1