failure mode
FM-12: FM-12 THE DRILL STALLS, LOSES POWER, OR STOPS UNDER LOAD
FM-12 THE DRILL STALLS, LOSES POWER, OR STOPS UNDER LOAD
Diagnostic overview
FM-12 THE DRILL STALLS, LOSES POWER, OR STOPS UNDER LOAD
Likely Root Causes
- Bit is dull, damaged, oversized, or wrong for the material
- High gear or low clutch setting is wrong for the task
- Work is unsupported or the bit is pinched or side-loaded
Quick Checks
- The drill completes a scrap task without stalling or power cutback.
Repair Preview
1.
This is a preview of the troubleshooting guidance included in the full repair manual.
Common Fixes
- Correct sharp bit
Related symptoms
The drill works at no load but stalls, slows severely, or stops during drilling or driving.
The drill works at no load but stalls, slows severely, or 1. Release, wait for stop, center-lock, remove the battery, and free the bit.
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.