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Battery less suitable (F02)

Battery less suitable (F02) - Rated capacity too low

Stihl · Power Tools

What does Battery less suitable (F02) mean?

The battery's rated capacity is insufficient for the demands of the cordless machine. This can lead to poor performance or the inability to operate.

Common Causes

  • Using a battery with a capacity lower than required by the tool
  • Battery is old and has lost capacity

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the battery used is the recommended model for the specific cordless machine.

  2. 2

    Verify the battery's capacity rating against the tool's specifications.

  3. 3

    If the battery is old, consider replacing it with a new one that meets the tool's requirements.

  4. 4

    Charge the battery fully before use.

Browse all codes in this manual (35)
Verified technical data. Last updated: April 2026

Related Faults

1 glowing red LED1 glowing red LED - Battery too hot or too cold1 glowing red light1 glowing red light — Battery too hot or too cold3 flashing red LED (AK Series)3 flashing red LED - Internal electronic issue (AK Series)
Source: Stihl Power Tools
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