failure mode

FM-16: FM-16 IMMEDIATE BATTERY, ELECTRICAL, OUTPUT, OR STRUCTURAL HAZARD

Smoke, flame, severe arcing, liquid intrusion, battery damage, melted contacts, exposed parts, or cracked structural components indicating an immediate hazard.

Diagnostic overview

Smoke, flame, severe arcing, liquid intrusion, battery damage, melted contacts, exposed parts, or cracked structural components indicating an immediate hazard.

Likely Root Causes

  • Battery, charger, or contacts are damaged
  • Liquid entered the tool, pack, or charger
  • Internal electrical short or overheating occurred
  • Hex holder, square drive, or housing is loose
  • Impact, drop, or overload cracked a safety barrier

Quick Checks

  1. Hazard stays isolated until qualified safety clearance.

Repair Preview

1.

This is a preview of the troubleshooting guidance included in the full repair manual.

Related symptoms

  • Smoke, flame, severe arcing, liquid, battery damage, melted contacts, exposed parts, or cracked structure.

    Smoke, flame, severe arcing, liquid, battery damage, 1. Stop use, clear people and combustibles, disconnect only if safe.

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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