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ES120/ES121 is a mini electric screwdriver from from Miniware. It is an excellent tool for repairs, capable of using numerous bits, and locks itself for manual use when the button is not pressed. Motion control gives fine tuned torque, preventing stripped screws.
Problem Table[edit | edit source]
Screen is on and shows the screw not turning once the motor stops turning. Releasing and repressing the button will cause the driver to work again for ~1 second before stalling again.
Replace motor with part P14354-ND or equivalent motor.Remove the original pinion gear with a soldering iron at 260+C to burn away previous loctite.