This model number looks as the correct one. Thank you.
Sounds like the problem is a shorted secondary interlock relay which is a part of the microwave control board. So, the correction is to replace the control board.
- The control board
Part number: WB27T10491 
Here are the breakdown diagrams and
Parts for GE JTP95BA1BB Wall Oven - AppliancePartsPros.com
Gene.