failure mode
FM-08: FM-08 NO-LOAD SPEED IS WEAK, UNEVEN, OR SURGES
FM-08 NO-LOAD SPEED IS WEAK, UNEVEN, OR SURGES
Diagnostic overview
FM-08 NO-LOAD SPEED IS WEAK, UNEVEN, OR SURGES
Likely Root Causes
- Battery charge or power capability is inadequate published order.
- Blade, guard, flange, or debris is creating drag
- Ventilation openings are obstructed Bosch service.
- Motor, bearings, or controller is failing
Quick Checks
- The blade reaches and holds a smooth, stable no-load speed without rubbing or hunting.
Common Fixes
- Known-good high-power battery
Related symptoms
With the blade clear of material, the saw sounds slow, hunts, or repeatedly rises and falls in speed.
With the blade clear of material, the saw sounds slow, hunts, 1. Remove the battery, inspect the blade and guards, and hand-turn the blade to feel
Included in the full manual
- root cause analysis
- tools needed
- step-by-step repair procedure
- diagrams
- exploded views
- post-repair checks
Public pages show a preview only. Purchase the full manual to download complete repair steps, diagrams, and verification procedures.