If the wheels in the hopper are consistently spinning after the machine powers on, and then stop with the “hopper sensor error” or “main motor error”, the hopper sensor is too sensitive.

Please use the marker pen to paint a little on the hopper sensor as shown in the above figure.
If the problem persists, please contact us using the contact information below.
Email: support@munbyn.com
Whatsapp: +8618144898200
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