Models > JTP90SM1SS

JTP90SM1SS General Electric Oven / Microwave Combo - Overview

Get Parts and Repair Help for JTP90SM1SS

If you know the oven / microwave combo repair part you need, you can browse the list of all parts on the JTP90SM1SS, or you can search by name or part description. You can also find your part by where it is located on the JTP90SM1SS by selecting a section below. If you’re not sure which part you need, you can narrow your search by selecting a common symptom and we’ll show you the repair parts most likely to fix your oven / microwave combo. We’ve also included any installation videos we have for JTP90SM1SS parts. Installation instructions provided by other do-it-yourselfers will help guide you through your repair.

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Light Bulb - 40W

Sold individually.


Line Fuse


Secondary Door Switch


Turntable Roller Guide

This roller is located underneath the glass turntable. With the help of the motor, this roller helps to rotate the glass tray. This part takes the place of the coupling.


Monitor Door Switch


Oven Sensor

This temperature sensor detects the temperature within the oven cavity.


Oven Bulb Lens Cover - Glass


Oven Light Housing

Must buy bulb locally as per manufacturer.



This part allows power to go one way only.



Search Instructions
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Microwave completely stopped working

  • Customer: Kim from Cliffside Park NJ
  • Difficulty: Really easy
  • Time to Complete: 15 - 30 mins
  • Tools Required: Screw drivers
  • 457 of 597 people found this instruction helpful
Turned out the issue was easily solved by replacing a single, inexpensive fuse.


The fuse is located under the plastic grill at the top of the microwave. It's held on by two screws. Once you've removed the screws and taken off the plastic grill, you go to the right side of the microwave and remove an... read more

light worked, timer and control pad worked, but no turntable, no heat, no noises of any sort, just didn't start up

  • Customer: Marla from Arlington TX
  • Difficulty: Easy
  • Time to Complete: Less than 15 mins
  • Tools Required: Screw drivers
  • 137 of 157 people found this instruction helpful
Noted on that someone else with this problem, found it to be secondary door switch. There are three door switches in this model, but online info noted that one of the three might feel "soft" (in my case, one switch clicked in a rather "jiggly" way, the other two were strong decisive clicks.) To access the door switches on this model was the ... read more

Oven was not coming up to temperature

  • Customer: Sean from Highlands Ranch CO
  • Difficulty: Really easy
  • Time to Complete: 15 - 30 mins
  • Tools Required: Nutdriver, Screw drivers
  • 23 of 27 people found this instruction helpful
I had to remove the oven from the wall because the sensor plug connction is behind the unit. Two screws hold the sensor inside the oven and then I disconnected the lead and pulled the sensor out from the front. I installed the new sensor, tightened the two screws holding it in and connected the lead. Then reinstalled the oven into the wall. Overall, a very e... read more