User Guide

The Voltaire App is currently in private beta. To request an invitation, email us at
We’d be delighted for you to join us in testing and improving the Voltaire experience.
  • Quick Start Guide

  • Features

  • FAQ

  • Remove Voltaire from its box and plug it in using the included charging cable.
  • Wash the catch cup and dry it thoroughly before use.
  • Flip the power switch to the ON position.
  • Wake Voltaire by pressing the digital timer button once.
  • Remove the lid and fill the hopper with fresh coffee beans.
  • Turn the digital timer clockwise to start grinding.
  • Adjust the stepless grind collar to your desired grind firmness.

Using the digital timer button

Press the digital timer button once to start the grinder — it defaults to 1 minute grind duration, and the LEDs will illuminate and count down. Add time by turning the button clockwise, or subtract time by turning it counterclockwise. Press the button at any point for a hard stop. You can also twist clockwise to start grinding for a custom duration. Each LED = 2.5 seconds.

Saving a preset time

Once you've found a preferred grind duration, you can save it as a preset by holding down the timer button for 3 seconds until all 24 LED lights blink twice. Then, turn the button clockwise until the LEDs indicate your desired time. The LEDs will blink again to let you know your preset was saved.

Running your preset

Turn the timer button counterclockwise to activate your preset and start grinding. Add or subtract time on the fly by turning the button as you grind. Press the button to stop at any time.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

— Reorient or relocate the receiving antenna.

— Increase the separation between the equipment and receiver.

— Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

— Consult the dealer or an experienced radio/TV technician for help.

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