I have a KitchenAid KBMS1454SSS-3 Microwave for which the control board is not operating either the cooling fan or the turntable motor. The turntable motor and cooling fan bench test as both being operable pointing to the control board as the culprit of the malfunction. Attached diagram of the...
I'm no electronics expert but rather a DIY hack trying to learn and fix a problem I caused on a microwave. I've made some progress but certainly not success as it appears I have a short or other failure on the board causing the microwave to malfunction.
Background is that the under cabinet...