ECM Synchronika: A1 and A3 Error Codes

by Whole Latte Love 1 min read Updated: March 5, 2025
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A1 and A3 error codes appear when there is an issue with your machine's temperature sensors. A1 relates to the brew boiler, and A2 to the steam boiler, indicating an open circuit. Refer to the 'Error A1 & A3' section in the video or use the button below to access the same information.

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