Answer Hello Nick, Fault code E41 indicates the control board thinks the door switch is open. First, verify the door is closing properly. If so, in the J2 plug on the control, measure the voltage from the black wire to ground with power on. If there is 0Vac, check the door strike. If good, replace the door switch assembly. If there is 120Vac, replace the control board. Read More... Answered by AppliancePartsPros.com | Saturday, May 19, 2018