The printer is showing the message: "Overcurrent detected".
Error name: MB overcurrent
Error code: #17302
An LED on the Modular Bed lights up when this error occurs. The error indicates an issue with the control of the current flowing into the Modular Bed and its heatbed tiles.
Inspect the wiring between the Sandwich board and the Modular Bed for a loose connection, or a broken cable.
Inspect the modular bed for physical damage, such as scratches on any of the heatbed tiles surface.