failure mode
FM-04: FM-04 TOOL STARTS, THEN CUTS OUT WHILE COOL
FM-04 TOOL STARTS, THEN CUTS OUT WHILE COOL
Diagnostic overview
FM-04 TOOL STARTS, THEN CUTS OUT WHILE COOL
Likely Root Causes
- Battery charge or protection drops early service.
- Battery or tool contact is intermittent
- Trigger, electronics, or wiring is faulty
- Accessory or fastener overloads the tool
- Motor, bearing, or impact drive has drag
Quick Checks
- Cool tool runs steadily through a brief light fastening test.
Repair Preview
1.
This is a preview of the troubleshooting guidance included in the full repair manual.
Common Fixes
- Cool known-good battery
Related symptoms
The cool tool starts, then stops during a brief no-load test or light fastening task before heat builds.
The cool tool starts, then stops during a brief no-load 1. Release trigger, wait for stop, center lever, and remove battery.
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.