Do not operate the burners without all parts in place.
Place the burner caps and heads on the cooktop.
There are three small and three large burner heads and caps.
Make sure that the caps and heads are placed in the correct locations.
Make sure the hole in the burner head is positioned over the electrode.

Semi-rapid Burner Head and Cap
Rapid Burner Head and Cap
Front of Range
Hole
Electrode