Mietubl
Mietubl Cutting Machine Knowledge Base

How to Troubleshoot Error Code 13904: Mainboard Replacement Guide

Last updated Nov 22, 2025
M
Mietubl Team
qr code troubleshooting video guide error 13904 mainboard replacement communication error
If your device displays the error message “Unable to communicate with the device (13904)”, please navigate to “My” → “About” → “Check if the QR code is displayed”.
If the QR code does not appear correctly, it may indicate a mainboard failure.
The following video provides a step-by-step guide to help you replace the device’s mainboard safely and correctly.

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