failure mode

FM-13: FM-13 ELECTRIC BRAKE DOES NOT STOP THE BLADE PROMPTLY

After releasing the trigger, the blade continues to stroke noticeably longer than normal, indicating the electric brake is not stopping the blade promptly.

Diagnostic overview

After releasing the trigger, the blade continues to stroke noticeably longer than normal, indicating the electric brake is not stopping the blade promptly.

Likely Root Causes

  • Trigger does not return fully
  • Battery or contact connection is unstable
  • Brake switching path is worn or faulty
  • Motor brushes or commutator are worn
  • Motor or drive has an internal fault

Quick Checks

  1. The blade stops promptly and consistently after every trigger release.

Repair Preview

1.

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

Common Fixes

  • Cool charged known-good battery

Related symptoms

  • After the trigger is released, the blade keeps stroking noticeably longer than normal.

    After the trigger is released, the blade keeps stroking 1. Remove battery; verify the trigger moves freely and returns fully.

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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