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Models

Symptoms

THE BATTERY WILL NOT SEAT, LATCH, RELEASE, OR STAY SECURE
No LED or motor response
Trigger binds, fails to return, changes speed erratically, or does not stop the drive.
A charged pack is installed, but the trigger produces no worklight, motor sound, or anvil movement.
The motor can be heard, but the front output remains still in both directions with the bit removed.
The saw cuts slowly, makes fine dust instead of chips, chatters in the kerf, or must be pushed hard despite judging sharpness.
The bit rotates, but no impact pulses begin when a correct fastener provides normal resistance.
The motor runs normally, but the LED is dead, dim, or intermittent with trigger use.
The trigger returns normally and power drops, but the anvil repeatedly coasts instead of stopping promptly.
A straight bit traces a visible circle at no load instead of rotating on a stable centerline.
The accessory catches or stops in the material and the tool reacts sharply in the hand.
The bit passed initial insertion, but backs out, falls free, or loses drive while the chuck body stays secure.
WORKLIGHT COMES ON, BUT THE MOTOR WILL NOT START
The LED work light does not light or stays on abnormally
The motor can be heard running, but the chuck is stationary or does not rotate normally.
Saw dead with charged pack
The bar is bent or cracked, chain links or cutters are broken, or the guide-bar scabbard is split, missing, or will not stay on.
The reservoir contains oil but the chain stays dry, the primer gives no visible result, or the bar oil path remains dry.
Charger green LED stays on
TOOL IS COMPLETELY DEAD - NO LED OR MOTOR

Failure Modes

part