failure mode

FM-04: FM-04 SAW STARTS, THEN CUTS OUT WHILE COOL

FM-04 SAW STARTS, THEN CUTS OUT WHILE COOL

Diagnostic overview

FM-04 SAW STARTS, THEN CUTS OUT WHILE COOL

Likely Root Causes

  • Battery charge or protection drops early
  • Battery or tool contact is intermittent
  • Lock-off, trigger, or wiring is faulty
  • Blade bind or excess pressure overloads saw
  • Motor or reciprocating drive has drag

Quick Checks

  1. The cool saw runs steadily and completes a light supported cut.

Repair Preview

1.

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

Related symptoms

  • The cool saw starts, then stops during a brief no-load test or light cut before heat builds.

    or light cut before heat builds. FM-04

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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