Three flashing red LEDs on battery — Internal electronic issue

What does Three flashing red LEDs mean?

When the trigger is squeezed, three flashing red LEDs on the battery indicate an internal electronic problem with the tool or the battery system. The unit will not operate.

• Internal electronic issue with the power tool
• Faulty connection between battery and tool

Click steps to track your progress.

1. 1

   Ensure the battery is properly seated in the tool.

2. 2

   Try a different, known-good battery.

3. 3

   If the issue persists, the tool may require inspection of its internal wiring and components.

4. 4

   Contact STIHL customer support.