A sound V20 battery is fully seated, the direction button is fully forward or reverse, and the tool gives no motor sound, LED response, or chuck motion. The dead state persists when the tool is held still.

A sound V20 battery is fully seated, the direction button is fully 1. Center the direction button, remove the battery, and inspect the tool and pack for

• FM-01: Fm 2 1

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

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