A collection of replacement components and instructions to fix common issues with the oven's electronic control board rather than replacing the entire unit. Use when the control board has minor faults like unresponsive buttons or display issues that can be repaired.
Do-It-Yourself Stories from Customers like You
My 12 yr old thermador sm272b combination oven/microwave sometimes failed to heat George M. • Willow Park , TX • April 20, 2015
Visually inspected the elements, they appeared OK so my attention turned to the mechanical relays used to switch power. I found you must order a matched set (kit 00702450) of display board, relay board and wire harness (Bosch AP4929088) to be sure you have compatible parts. All must be replaced as a unit.
First turn off the circuit power to avoid injury from the serious 240 VAC. Then remove the microwave decorative frame by using a flat screwdriver under each corner to pry it off. Then remove...
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