failure mode
FM-01: FM-01 TOOL IS COMPLETELY DEAD - NO MOTOR RESPONSE
The tool is completely dead with no motor response when the trigger is pressed, despite a correctly fitted battery.
Diagnostic overview
The tool is completely dead with no motor response when the trigger is pressed, despite a correctly fitted battery.
Likely Root Causes
- Battery is discharged, incompatible, or not fully latched
- External battery contacts or rails are dirty or damaged
- Lock-off/trigger is not enabling the switch
- Internal controller, wiring, or motor fault
Quick Checks
- The motor starts every time with the proven pack and reaches steady no-load speed.
Repair Preview
Step-by-step instructions to restore motor function when the saw is dead despite correct battery installation.
This is a preview of the troubleshooting guidance included in the full repair manual.
Common Fixes
- Known-good compatible Bosch or AMPShare battery
- Motor, wiring, or electronics
Related symptoms
The correct battery is fitted, but pressing a lock-off button and the trigger produces no motor response.
The correct battery is fitted, but pressing a lock-off button and 1. Set the lock-off to rest, remove the battery, and screen the pack and tool for heat,
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.