I started a print this morning and I saw an electrical spark from the back. I found the Z stepper driver had blown. Funny thing is, the print continued and came out good. The Z axis seems to be still working. Does anyone know what might of happened?
would have to look at the schematic but safety 1st. at a minimum i would replace BOTH steppers and check the motor with a volt meter. pcb burned is a very bad sign of short could happen again at any time IMHO cehck your amsp match your motor and do not exceed the board limit... good luck