0458-725-8621-B
52
English 
23 Troubleshooting Guide
Trimmer / 
Brushcutter cuts out 
during operation.
1 LED glows 
red.
Battery too hot / too 
cold.
► Remove the connecting cord, @ 14.2.
► Allow the trimmer / brushcutter and battery to cool down 
gradually at ambient temperatures of about 50°F to 68°F 
(10°C to 20°C).
3 LEDs glow 
red.
Trimmer / 
Brushcutter too hot.
Runtime is too short. Battery not fully 
charged.
► Charge the battery as described in its instruction manual.
Useful life of battery 
has been reached or 
exceeded.
► Have the battery checked by an authorized STIHL servicing 
dealer.
Always remove the connecting cord before carrying out any inspection, cleaning or maintenance.
Condition LEDs on 
Battery
Cause Remedy