FM-15: FM-15 TOOL OUTPUT CUTS IN OR OUT WHEN THE SECURELY LATCHED BATTERY MOVES

The tool starts but battery output cuts off abruptly under ordinary load, causing sudden power loss.

• Battery contacts are worn, recessed, contaminated, loose, or damaged
• The insertion stem or release tabs permit electrical movement even though retention feels secure
• The internal terminal link is movement-sensitive
• The tool contact carrier or wiring is damaged
• Hand pressure is masking an unsafe interface fault

1. Tool output remains stable through normal handling without added pressure, or the movement-sensitive side is isolated and removed from service.

1. Stop at the first movement-related interruption, remove the battery, and do not keep flexing, tapping, or pressing the pack to maintain power.
2. 1.

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

• Known-good charged compatible pack

• Tool output cuts in or out when the securely latched battery moves

  A fully seated and retained pack powers the tool only in certain positions or interrupts Stop at the first movement-related interruption, remove the battery, and do not keep flexing, tapping, or pressing the pack to FM-15

• A fully seated and retained pack powers the tool only in certain positions or interrupts when the tool or battery is moved, without a normal overload stop.

  A fully seated and retained pack powers the tool only in certain positions or interrupts 1. Stop at the first movement-related interruption, remove the battery, and do not keep

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

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