FM-10: FM-10 CHARGER REPORTS FULL, BUT THE BATTERY HAS ALMOST NO USABLE ENERGY

The charger indicates a full charge, but the battery holds almost no usable energy and runs tools only briefly or not at all.

• A cell group cannot accept or retain charge
• The protection circuit is reporting completion incorrectly
• An internal connection opens after charging
• The charger has a false-completion fault

1. The pack stores and delivers useful energy after a normal full indication, or repeatable false-full storage failure is proven.

1.

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

• A proven compatible charger gives its normal full-charge indication, yet the removed battery shows little or no charge and can run a known-good low-load tool only briefly or not at all.

  A proven compatible charger gives its normal full-charge 1. Remove the pack after the full indication, let it rest briefly, and press the

• 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.