The pack starts and runs a known-good compatible tool at no load, but output stops promptly during an ordinary matched task that a known-good battery completes.

The pack starts and runs a known-good compatible tool at no 1. Stop the task when output cuts off and remove the pack; inspect for unusual heat,

• FM-13: Fm 4 1

• root cause analysis
• tools needed
• step-by-step repair procedure
• diagrams
• exploded views
• post-repair checks

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