Maytag Gemini Range (Model MER6770AAW) has displayed three different fault codes: F1-1, F3-1, and F1-L. After the fault, neither oven will heat, and the oven lights cannot be turned on, but the clock still works. Once reset, everything will work temporarily until another fault code occurs. I have replaced the upper oven temperature sensor. This did not solve the problem. The connections are all secure from the sensors to the control panel, and the control panel itself does not appear obviously damaged. Any suggestions as to what to try next? Do I need to replace the whole control panel?