Mickey for Model Number LFMV1645TF microwave blows fuse when opening door. How can you tell which switch is the culprit. 5304509459 or 5304509460 (x2)? will work for a while when replacing fuse.
Answer Mickey, The correct test would be a continuity test with the switches in there home position. You will want to see a change from open to closed or reverse when the door is opened or closed. When we say open or closed we are referring to the switch having continuity or not. You always need to change all three switches at the same time. Read More... Answered by AppliancePartsPros.com | Monday, December 2, 2019