What Is This Power Supply Board? This is a genuine replacement power supply board for the Rocket Faustino coffee grinder, part number R199906944, rated at 220V. The power supply board regulates electrical power to the grinder’s motor and control electronics. A faulty board is a common cause of the Faustino grinder failing to power on, cutting out mid-grind, or displaying erratic behaviour. Compatible Rocket Faustino Models Rocket Faustino (from December 2019) Rocket Faustino 3.1 (from July 2022) Not sure which version you have? Contact us with your grinder’s serial number and we’ll confirm compatibility before you order. Part Details Part number: R199906944 Voltage: 220V Type: Power supply board / PCB Application: Rocket Faustino coffee grinder Symptoms of a Faulty Power Supply Board Grinder not powering on despite being plugged in Grinder cutting out mid-grind or randomly shutting off Erratic motor speed or inconsistent grinding behaviour Display not illuminating or showing error codes Burning smell or visible damage on the board Before Replacing the Power Supply Board At $250, this is a high-value part — rule out simpler causes first: Check the power outlet and cable for faults Inspect the on/off switch for continuity Check for any blown fuses on the board itself Confirm the issue persists across multiple power cycles How to Replace the Faustino Power Supply Board Unplug the grinder completely before opening the casing Remove the outer casing panels to access the internal electronics Photograph all wiring connections before disconnecting anything Unscrew the old board from its mounting points and disconnect all connectors Fit the replacement board, reconnect all wiring per your photos, and reassemble Power on and test for correct operation Power supply board replacement is best performed by a qualified technician. Contact us if you need installation guidance or compatibility confirmation. Why Buy From Bear Coffee Machine? Genuine Rocket Espresso OEM parts — not aftermarket substitutes Fast shipping from Sydney, Australia Expert support — we can confirm compatibility using your grinder’s serial number