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Symptoms

La salida de la herramienta es mucho menor con este paquete que con un paquete conocido bueno.
With no fastener load, the bare or correctly fitted output sounds harsh, binds, knocks, or shakes abnormally.
Tool rotates, but a seated fastener gets little torque or no normal impact pulse.
Med ett säkert känt bra blad fritt från arbetsstycket, har sågen ett hårt ljud, fastnar eller vibrerar.
The battery latches normally and works while still, but charging or tool power stops, restarts, or flickers when the pack or receiver is gently moved.
A known-good compatible charger begins its normal charging cycle, but the cycle repeatedly stops, restarts, faults, or continues abnormally without reaching completion.
The motor can be heard, but the front output remains still in both directions with the bit removed.
A straight bit traces a visible circle at no load instead of rotating on a stable centerline.
The trigger returns normally and power drops, but the anvil repeatedly coasts instead of stopping promptly.
WORKLIGHT COMES ON, BUT THE MOTOR WILL NOT START
After trigger release, the bit or square drive coasts noticeably longer than normal before stopping.
THE DRILL WILL NOT START WITH A CHARGED KNOWN-GOOD BATTERY
Power drops in normal handling while the pack shifts or feels loose.
The tool works normally, but a fully charged pack empties much sooner on the same light task.
Trigger binds, fails to return, changes speed erratically, or does not stop the drive.
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 straight bit or socket visibly orbits, shakes, or runs off-center during a brief no-load test.
After a normal full charge, the battery delivers usable power but substantially less work than a comparable known-good pack in the same tool, task and conditions.
Almacenado solo, el paquete pierde carga sustancial sin uso.
שני כלים תואמים ידועים טובים אינם מגיבים עם המארז הטעון.

Failure Modes

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