Ignitor continues to click after stove lit

Even after the stove top has ignited, the ignitor continues clicking. I have had a repairman come to fix the problem with no success.

Bosch NHT72 gas stovetop

Any help is appreciated!
Merry Christmas

Make sure the ceramic part of the igniters are not damaged. Clean the igniters, using a rubbing alcohol. Make sure all burner caps are in the right position and burners are properly grounded. Check for the proper polarity on the electrical connection. If there is nothing wrong then replace the spark module.

Here are the break down diagrams for the Bosch cooktop Model NHT725

Happy New year!
Gene.