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Manuals

Symptoms

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.
WORKLIGHT COMES ON, BUT THE MOTOR WILL NOT START
The chuck still rotates, but a new mechanical grind, knock, scrape, tight spot, or severe vibration remains with the bit removed and is not ordinary motor or brake sound.
With a secure known-good blade clear of the work, the saw has harsh sound, bind, or vibration.
A bit that appears clamped slips in use or visibly wobbles in a no-load test.
The chuck sleeve or jaws bind, fail to center, trap a bit, or cannot grip it.
The drill will not start with a charged known-good battery
The trigger binds, the drill runs on, or no-load speed jumps instead of varying smoothly.
A compatible V20 battery starts onto the tool rails but binds before reaching the normal seated and latched position.
The battery will not slide in, lock, release, or remain secure in the handle.
The forward/reverse lever binds, commands the wrong direction, or center lock fails.
The pack will not complete charging or delivers abnormally short light-duty runtime.
The direction selector is centered, but the trigger still depresses enough to start the motor or the center position cannot reliably prevent activation.
With the battery removed, the clutch collar is physically stuck, cracked, excessively loose, or unable to align a numbered setting or drill mode with the index mark.
The collar moves normally, but the clutch ratchets before a suitable fastener reaches normal depth at appropriate settings, or it audibly slips when drill mode is correctly selected.
With the chuck stopped and battery removed, the top selector cannot be moved fully into range 1 or range 2, even after the chuck is turned by hand to align the gears.
The chuck coasts much longer than normal after the trigger is released.
The tool or pack smokes, leaks, swells, smells burned, overheats severely, or exposes wiring.
The torque ring binds, will not hold a setting, or slips at clearly wrong torque.

Failure Modes

part