Stihl · Power Tools
This code group indicates a problem related to the mechanical operation of the tool, specifically the chain brake or the force required by the motor.
Click steps to track your progress.
Inspect the chain brake lever and its components for damage.
Check the brake band and tension spring for wear or damage.
Ensure the cutting attachment is not binding and moves freely.
Refer to the specific troubleshooting flow charts for F30-F34 or F35.