My left front burner does not have heat in the inner

Based on your question that the right front burner of your Schott Ceran glass cooktop is not working, here are some steps you can try to troubleshoot the issue:

1. Check the power supply: Make sure that the cooktop is properly connected to a power source and that the circuit breaker or fuse is not tripped. If the circuit breaker is tripped, reset it and try turning on the burner again.
2. Check the burner control switch: The burner control switch regulates the power to the burner. Check if the switch is loose, damaged, or defective. You can test the switch for continuity with a multimeter to determine if it is functioning properly.
3. Check the heating element: If the burner control switch is not the problem, the issue may be with the heating element. Check the element for visible damage, such as cracks, burn marks, or discoloration. If you see any damage, the element may need to be replaced.
4. Check the wiring: Check the wiring connections between the burner control switch and the heating element. If any of the connections are loose or damaged, this may be causing the issue.
5. Test with a different burner: If you have multiple burners on your cooktop, try testing the right front burner with a different control switch or heating element to determine if the issue is with the burner or another component.

The above are basic means of troubleshooting, the following below will add more to the solution above;

Check the control board: The control board is responsible for sending power to the heating elements. Check the control board for any signs of damage or burning, and test it for continuity using a multimeter.

Check the thermal fuse: The thermal fuse is a safety device that cuts off power to the heating elements if they overheat. Check the thermal fuse with a multimeter to see if it has blown. If it has, you will need to replace it.

Check the switch relay: The switch relay is another component that can cause the burner to not work. Check the switch relay for any signs of damage, and test it with a multimeter to see if it is functioning properly.

Test the voltage supply: Use a multimeter to test the voltage supply to the burner. If there is no voltage, this could indicate a problem with the control board, thermal fuse, or switch relay.

Check for loose connections: Inspect all wiring connections between the control board, switch relay, and heating element. Loose or damaged connections can cause the burner to not work.

Bad switch or bad heating element, or, less likely, a loose wire.

There must be a blockage on the inner flame ring as the gas is not getting to the thermocouple .

Pushing the button for the element will turn on the inner element at level 5. Before adjusting the level (so while the level indicator is still blinking) press the little circle on the right side of the controls for that element. The circle should light up. Now press the UP control for that element, and the level indicator should stop blinking. Now the outer and inner elements are both heating up. Adjust temp level to desired setting.

You may already be aware of this but ... If our ilve ceran cooktop is the same as yours turn the knob past the 12 setting till you feel pressure and it springs back. This is the switch to fire up the marked outer elements.

being 12 years old ithinkit might be hard to find
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The elements DO BURN OUT. Replace it.

Often you can see evidence of a hot spot on the element where the final failure occured, but not always.

Yes it sounds as if you have control knob probs ..did it work b4 or is it a new cooker ?

The best to test that is to remove the top and take the outer coil and use it on any of the other burners to see if it heats up, then youll know for sure is the element or the switch.
Eddie Rentas
Tupper Lake NY

its been my experience that the dual burner switch is far more likely the culprit, unless you can physiclaly see the outer ring is broken( visual inspection works wonders. as far as trying to ohm out i generally look at theelemnet itself (4 wires lead to the elemnt you can trace 1 to the outer portion of element, and 1 to the inner portion.WITH POWER OFF Iswithc those 2 wires and the restore power try element ad watch for outer ring to work inner ring no good. now i know its the switch not sending power. reset wires and order new switch