FM-17: FM-17 BATTERY BECOMES UNUSUALLY HOT DURING AN OTHERWISE NORMAL CHARGE

FM-17

• High internal resistance or cell imbalance produces excess heat
• Contacts have high resistance
• Temperature sensing or protection does not regulate normally
• The charger or ventilation is faulty

1. The battery charges without abnormal heat, or repeatable battery-side charging heat is proven and the pack is retired.

1.

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

• Battery becomes unusually hot during an otherwise normal charge

  FM-17 BATTERY BECOMES UNUSUALLY HOT DURING AN

• A room-temperature battery seated in a proven compatible ventilated charger becomes markedly hotter than a known-good comparable battery during a normal stationary charge, without smoke, swelling or melting.

  A room-temperature battery seated in a proven compatible 1. Stop charging, disconnect charger power, and leave the pack on a clear

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

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