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