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Models

Manuals

Symptoms

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 trigger returns normally and power drops, but the anvil repeatedly coasts instead of stopping promptly.
WORKLIGHT COMES ON, BUT THE MOTOR WILL NOT START
TOOL IS COMPLETELY DEAD - NO LED OR MOTOR
The motor and anvil run normally, but the LED does not light the immediate work area correctly.
With a charged pack installed and direction selected, the trigger produces no light, sound, or anvil movement.
Trigger binds, fails to return, changes speed erratically, or does not stop the drive.
THE BATTERY WILL NOT SEAT, LATCH, RELEASE, OR STAY SECURE
The direction lever will not reach forward, reverse, or center lock, or the selected position does not hold.
The quick-release collar binds, will not move fully forward, or stays forward after release.
A straight bit traces a visible circle at no load instead of rotating on a stable centerline.
The 360-degree dust port is jammed or loose, or a compatible hose/coupler will not stay attached.
The external structure is visibly cracked, loose, crushed, melted, or missing material even if the saw still runs.
The Worklight Comes On But The Motor And Blade Do Not Start
Tool rotates, but a seated fastener gets little torque or no normal impact pulse.
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 tool, pack, or charger becomes unusually hot, or protection repeatedly stops operation.
A secure straight bit and clear work do not eliminate harsh no-load sound or vibration.
A straight bit stays clamped but rotates off-center, or the chuck body has visible play.

Failure Modes

part