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
- The cracked tool remains out of service until the enclosure is professionally restored.
Repair Preview
- Remove the battery and stop using the tool.
- Inspect externally for exposed wiring, moving parts, sharp edges, and rail damage.
- Do not tape, glue, drill, or open the enclosure.
- 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
Public pages show a preview only. Purchase the full manual to download complete repair steps, diagrams, and verification procedures.