failure mode

FM-03: FM-03 TRIGGER STICKS OR THE MOTOR CONTINUES AFTER RELEASE

The trigger sticks or does not spring fully off, causing the motor to continue running after the trigger is released.

Diagnostic overview

The trigger sticks or does not spring fully off, causing the motor to continue running after the trigger is released.

Likely Root Causes

  • Dust, adhesive, or damage binds trigger travel
  • Trigger return spring or switch has failed
  • Housing distortion pinches the trigger
  • Liquid or impact damage affected the control

Quick Checks

  1. The trigger springs fully OFF every time and motor power ends immediately.

Repair Preview

1.

This is a preview of the troubleshooting guidance included in the full repair manual.

Related symptoms

  • The trigger binds or does not spring fully OFF, or the motor keeps running after the trigger is released.

    The trigger binds or does not spring fully OFF, or the 1. Point the tool safely and remove the battery at once if the motor will not stop.

Included in the full manual

  • root cause analysis
  • tools needed
  • step-by-step repair procedure
  • diagrams
  • exploded views
  • post-repair checks

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