failure mode

FM-15: FM-15 BATTERY быстро теряет заряд при хранении без подключения

FM-15

Обзор диагностики

FM-15

Вероятные причины

  • The sealed pack has abnormal self-discharge
  • A cell group or protection circuit is leaking energy internally
  • The pack was stored hot, wet or near conductive debris
  • The apparent loss occurs only while installed in a tool or charger

Быстрые проверки

  1. The battery retains charge similarly to the known-good pack while disconnected, or abnormal self-discharge is proven.

Предпросмотр ремонта

1.

Это предпросмотр руководства по устранению неисправностей из полного руководства по ремонту.

Связанные симптомы

  • Battery loses charge rapidly while stored disconnected

    FM-15 BATTERY LOSES CHARGE RAPIDLY WHILE STORED FM-21 A NEW INTERNAL RATTLE OR LOOSE MOVEMENT IS

  • After a normal full charge, the battery loses a large amount of indicated charge or usable low-load runtime while stored by itself in a cool, dry place.

    After a normal full charge, the battery loses a large amount of 1. Remove the pack from all tools and chargers, screen it for damage, and charge it

Включено в полное руководство

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

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