failure mode
FM-20 OUTER HOUSING IS CRACKED, SPLIT, PUNCTURED, OR OPEN AT A SEAM
FM-20
Diagnostic overview
FM-20
Likely Root Causes
- Drop, crush, puncture or impact damaged the shell
- A seam or fastener area failed
- Age or chemical exposure embrittled the plastic
- An internal support shifted and opened the case
Quick Checks
- The damaged pack remains isolated and is replaced or recycled without being opened or improvised.
Repair Preview
1.
This is a preview of the troubleshooting guidance included in the full repair manual.
Related symptoms
The battery is cool and dry but the outer shell is cracked, split, punctured, missing a piece, or open at a seam, with no smoke, liquid, swelling, odor or dangerous heat.
The battery is cool and dry but the outer shell is cracked, split, 1. Remove the pack from every device and place the cool dry battery on a clear
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.