18 Repairing
18.1 Repairing Chain Saw, Battery
and Charger
The saw, guide bar, saw chain, battery and
charger are not user serviceable.
► If the saw, guide bar or saw chain is damaged:
Do not use your saw, guide bar or saw chain,
and contact your STIHL servicing dealer.
► If the battery has a malfunction or is damaged:
Replace the battery.
► If the charger has a malfunction or is dam‐
aged: Replace the charger.
► If the connecting cable has a malfunction or is
damaged: Do not use the charger and have
connecting cable replaced by a STIHL servic‐
ing dealer.
19 Troubleshooting
19.1 Troubleshooting Chainsaw or Battery
Fault LEDs on the
battery
Cause Remedy
Saw does not
start when
switched on.
1 LED flashing
green.
State of charge of the
battery is too low.
► Charge the battery.
1 LED emits
red light.
The battery is too
warm or too cold.
► Engage chain brake and remove battery.
► Allow the battery to cool down or warm
up.
3 LEDs flash
red.
Chainsaw fault. ► Engage chain brake and remove battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
► Disengage the chain brake.
► Switch on the chainsaw.
► If 3 LEDs continue to flash red: Do not
use your chainsaw and contact your
STIHL servicing dealer for assistance.
3 LEDs light
up red.
Chainsaw is too hot. ► Engage chain brake and remove battery.
► Allow the chainsaw to cool down for 20
minutes.
4 LEDs
flash red.
There is a fault in the
battery.
► Engage the chain brake, remove and refit
the battery.
► Disengage the chain brake.
► Switch on the chainsaw.
► If 4 LEDs continue to flash red: Do not
use the battery; contact a STIHL author‐
ized dealer.
- No electrical contact
between the chainsaw
and battery.
► Engage chain brake and remove battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
- Chainsaw or battery
damp.
►
Allow chainsaw or battery to dry, 20.8.
Saw cuts out dur‐
ing operation.
3 LEDs light
up red.
Chainsaw is too hot. ► Engage chain brake and remove battery.
► Allow the chainsaw to cool down for 20
minutes.
- There is an electrical
fault.
► Engage the chain brake, remove and refit
the battery.
► Switch on the chainsaw.
Chainsaw run‐
time is too short.
- The battery is not fully
charged.
► Fully charge the battery.
- The battery life has
been exceeded.
► Replace battery.
English 18 Repairing
26 0458-022-8301-A
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