Ovenwill come on but will not stay on - Push Bake/Broil and than adjust temp using up/down setting. It will display 100 temp and in about 30 to 40 seconds it will shut off. You can repeat the cycle but get the same result.
Kar Shah,
Most likely the problem is a bad oven control board. Unfortunately this part has been discontinued by the manufacturer and is no longer available.
Here are the breakdown diagrams and Replacement parts for General Electric JKP17WP3WG Electric range | AppliancePartsPros.com
Gene.