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Last updated 4 months ago
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What happened?

In case the printer detects an unknown problem with the modular bed, the display will show the following message "Heatbed tile no. #: Unknown error: #".

Error name: MB unknown error

Error code: #17501

The error message includes the number of the affected heatbed tile and a text at the end that specifies the nature of the error. 

How to fix it?

A visual inspection

Before accessing any of the electronic boards, ensure that the printer is fully cooled down, and switched off for at least 10 minutes

Check that the indicated heatbed cable is correctly connected with the modular bed electronics, and with the heatbed tile, and reseat the connection. 

Check the heatbed tile for physical damage, for example, a scratch on any heatbed tile surface, or a damaged cable on the bottom of a heatbed tile. 

Swap the cables

Swap the heatbed tile connection indicated on the error with another heatbed tile connector, and check if the indicated heatbed tile number in the error changes, or remains the same after the swap. 

If the error changes to another heatbed tile number after the cables swap, then the cable is causing the error. 

If the error is still the same as before, with the same error code, and on the same heatbed tile number after the swap, most likely the heatbed tile is causing the error. 

If your findings are different than the covered cases, or in case of any doubts, do not hesitate to contact our customer support.

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