Master the art of troubleshooting the E01 grinder error like a pro technician.
The E01 error signals a grinder stall caused by overcurrent or a mechanical blockage.
Listen for high-pitched whining or mechanical strain before the E01 screen alert appears.
Foreign objects like stones or hardened coffee oil sludge often jam the burrs.
Worn-out carbon brushes reduce motor torque and eventually trigger the E01 protection circuit.
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