failure mode

FM-01: FM-01 SAW HAS NO BLADE-STROKE RESPONSE

The saw produces no blade stroke response despite a charged, latched battery and normal lock-off and trigger operation.

Diagnostic overview

The saw produces no blade stroke response despite a charged, latched battery and normal lock-off and trigger operation.

Likely Root Causes

  • Battery is empty, protected, or faulty
  • Pack is not latched or contacts are dirty
  • Lock-off or trigger travel is incomplete
  • Switch, wiring, or motor has failed
  • Gear or reciprocating drive is seized

Quick Checks

  1. Blade strokes steadily at normal no-load speed with the known-good pack.

Repair Preview

  1. 11
  2. 1.

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

Related symptoms

  • A charged, latched battery and normal lock-off and trigger command produce no blade stroke.

    A charged, latched battery and normal lock-off and trigger Remove the battery; inspect pack, contacts, controls, blade, and FM-01

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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