Baratza Starbucks Barista User Manual

How to: Motor Polarity Check/Change
Starbucks Barista (Baratza Version), Maestro, Maestro Plus, Virtuoso, Preciso, Encore, Virtuoso+
Time: 10 min
Difculty: Easy
Tools/supplies: Flat head screwdriver. T10 Driver. Phillips Driver.
Parts: n/a
Additional Resources: Case Removal. Motor Replacement.
*** Unplug the grinder from power supply ***
www.baratza.com
support@baratza.com
rev. 8/6/2019
ver. 1.0
Remove the case using our case removal guide.
Cone Burr
CORRECT
POLARITY
REVERSE
POLARITY
Cone Burr Spins
Clockwise
Cone Burr Spins
Counter-Clockwise
To check motor polarity, observe
the cone burr spinning under power.

Baratza Starbucks Barista Specifications

General

Manufacturer	Baratza
Grinder Type	Burr
Burr Type	Conical
Grind Settings	40
Hopper Capacity	8 oz
Material	Plastic

Summary

Motor Polarity Check and Change Procedure

Safety First: Power Disconnection

Ensure the grinder is unplugged from the power supply before starting.

Initial Polarity Identification

Observe the cone burr's spinning direction under power to determine motor polarity.

Grinder Disassembly for Motor Access

Remove Safety Interlock and Screws

Lift safety interlock and remove screws to detach the gearbox/motor assembly.

Disconnect Motor Assembly

Unplug the motor and lift the gearbox/motor assembly from the chassis.

Motor Reconnection and Reassembly

Correct Spade Clip Reinstallation

Reinstall spade clips ensuring correct wire-to-terminal connection for polarity.

Reattach Motor Assembly

Place gearbox/motor assembly back, plug in motor, and secure with screws.

Final Reassembly and Operation

Reinstall Safety Interlock

Return safety interlock switch to its posts with the actuator facing inward.

Case Reinstallation

Re-install the grinder case and return the unit to operation.