GE JTP85 Electric Double Oven "bush wont heat" Questions

bush AE66DCA cooker main oven wont come on main oven wont come on but the fan does Check the power panel on your house for the circuit breaker for the oven. It will be two breakers with their handles ...

...Bush AE6BFS single oven. It wont heat up nor will the grill come on, though the hobs work ok. I took the back panel off but no heating element?? Any info? you can find the same model here a newer one ...