I have a built-in GE microwave convection model JTP95B0D1BB. The microwave will not heat. All the other functions such as the light, turntable and timers work fine. Any idea?

it may be a micro switch which is activated by door,or the filament of the magnetron.

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AUTHORIZED DEALER Frigidaire Gallery Series
FGMV155CTF
30 Inch Over the Range Microwave Convection Option Sensor Cooking SpaceWise® Rack
4.4 Average rating of
73 reviews
color: smudge proof stainless steel
Smudge Proof Black Stainless Steel FGMV155CTD
$569.00 Smudge Proof Stainless Steel FGMV155CTF
$519.00 product highlights
Optional Built-In Trim Kit Convection Sensor Cook quick specs
Dimensions
Width: 29 7/8 Inch
Depth: 15 7/16 Inch
Height: 16 13/32 Inch
Features
Capacity: 1.5 Cu. Ft.
Cooking Watts: 900
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Frigidaire GALLERY™ 1.5 Cu. Ft. 900W Over-the-Range Convection Microwave

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Model No: FGMV155CTF

Features:

• 170/300 CFM 2-Speed Exhaust Fan
• Convection Option & Sensor Cooking
• Express-Select™ Controls
• SpaceWise™ Convection Rack
• Effortless Clean™ Interior

Can be part of the power supply or the controller board. Best to take the unit in for service. You would need the spare parts to try, the service manual, and the proper voltever to make the necessary verifications.

This is usually caused by a defective door switch, or it may be out of aligment. Since there are a few of them a digital meter is required to troubleshoot the problem area. If you have the equipment I well describe how to test them.

It will be one of three things, magnetron, "heats food" high voltage diode,"sometimes cracks" or the high voltage capacitor, "usually shorts"

That I can't answer! But I would replace your microwave/convection oven, it is completely unsafe and a major fire hazard, and I would get in touch with GE and lodge a formal complaint about their product, if there is a flaw in the design it needs to be brought to the table to warn others that have same item so they are not affected in the same way.

Hi,

Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

The fact that the microwave and convection both do not heat indicated that the oven is in demo mode, check the user manual, otherwise it will possibly be a relay not triggering, may need a pcb replacement, check Demo mode 1st....Phil

Most likely the turntable motor itself is bad - not an uncommon problem for that model.

Check with www.martinmicrowave.com (toll free 1-877-894-0035)

unfortunately, the particular motor used in your model is rather expensive - + - $50

Most likely the bottom door switch. Dacor units are built by Sharp and that switch is a very common problem. You'd either need to check the switch with an ohm meter or remove the cover of the switch to see if it's burned inside.