Model #72180042700 Kenmore microwave/hood combo

  • Door
    3 Results
  • Controller
    3 Results
  • Oven Cavity
    3 Results
  • Latch Board
    3 Results
  • Interior Parts I
    3 Results
  • Interior Parts Ii
    3 Results
  • Installation Parts
    3 Results

Question and Answers


kenmore microwave 721-80042700 is not heating/cooking, but everything else works, it lights, spins, etc. is there a replacement part to fix this~2yrs old


This problem could be caused a number of internal component failures in the microwave. A scrambled control board is one issue that could prevent the microwave from heating. A power surge or glitch through the electric lines could have locked up the control board. Unplug the microwave for 3 minutes. Plug it back in and see if it will heat properly. If not, then you will need to have it serviced by a technician (or replace it).

As indicated in the link for a previous answer provided by Barbara H. in the first response, microwaves are inherently dangerous to service. That is why we recommend that only a service technician should repair this type of appliance.

Here is a link for the Sears Service website site in case you decide to have the microwave repaired: Sears Home Services .

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Lyle W -
Sears Technician
November 22, 2010

Recommended maintenance parts & accessories

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