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
- 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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