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No lights (AK Series)

No lights - Open for inspection and motor test (AK Series)

Stihl · Power Tools

What does No lights (AK Series) mean?

There are no lights indicating battery status or tool function. This suggests a potential issue with the power supply to the tool or the electric motor itself.

Common Causes

  • Battery not seated correctly
  • Faulty battery connection within the tool
  • Defective electric motor
  • Complete failure of the tool's electronics

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the battery is fully inserted and locked into place.

  2. 2

    Inspect the battery compartment for any debris or corrosion on the contacts.

  3. 3

    Open the unit for visual inspection and to test the electric motor.

  4. 4

    Check all internal electrical connections to the motor and control board.

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
Open Manual (Page 133)Search more codes in this manual