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If both the oven and cook top are not heating, I'd STRONGLY suspect you do not have 240 volts applied to your oven. You may have a bad breaker OR the terminal block in the rear of the stove (the cord attaches to it) might have a burnt terminal.
I am showing your status as offline. Therefore, I shall change this from "Live Chat" to Q and A mode. Just reply at your convenience. Make sure you've checked your terminal block for a burnt wire and also for 240 volts between BLACK and RED. Less than 240 between these wires is highly probable with your condition.