The stop key is in place and both magnets are present. In looking at the control board (MCB) on of the LCD is flashing the other three are lit.Does that mean the MCB needs to be replaced
1) adjust the REED switch, test for open or defective, clean it, and tight the plug or connector very well.
2) After you fixed RUN the software calibration for easy diagnose, troubleshooting. and fix it.
God bless you
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