failure mode

FM-31: Tool housing has an open crack

A crack or separation opens the enclosure or exposes internal parts, rails, or wiring.

Diagnostic overview

A crack or separation opens the enclosure or exposes internal parts, rails, or wiring.

Likely Root Causes

  • Drop or impact damage
  • Stress crack at a screw boss or rail
  • Heat-deformed housing
  • Loose port or switch area propagated a crack

Quick Checks

  1. The cracked tool remains out of service until the enclosure is professionally restored.

Repair Preview

  1. Remove the battery and stop using the tool.
  2. Inspect externally for exposed wiring, moving parts, sharp edges, and rail damage.
  3. Do not tape, glue, drill, or open the enclosure.
  4. Use authorized service or retire the tool if the safety enclosure cannot be restored.

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

Common Fixes

  • Top and lower housing

Related symptoms

  • Tool housing has an open crack

    A crack or separation opens the enclosure or exposes internal parts, rails, or wiring.

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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