I have the Miele km342g cooktop. The ignition would continue firing intermittently after the burner was lit - click, click, click. Drove us crazy for years and we cursed the unit every time we used it. We assumed it was sensing unburned fumes and so we bought a small fan to "whisk" the gas fumes away. etc. etc. I finally figured out what a simple little thing it was. To start the burner, you turn the knob counter-clockwise. Therefore, once the burner is lit it's intuitive to turn the burner down by turning it clockwise. But in order to turn the burner down, you have to continue turning it counter-clockwise - or, "counter-intuitive". Once we figured that out, we haven't had a problem since.
SOURCE: Miele KM 320 G gas cooktop ignitor
I had a similar problem and discovered that the control knob had fried itself, most likely due to liquid penetration down the shaft of the control knob and into the control knob electronics. Inside is a printed circuit board with resistor, diode and a rheostat. The surface of the board was charred beyond repair.
To trouble shoot the problem, open the cook top and hook the burner in question to one of the known good control knobs. If it ignites, then it is the control knob electronics. If it doesn’t, then there is something wrong with the igniter.
Note: The 2-zone Wok Burner had a different control knob that the other burners.
To open the cook top, do NOT loosen any of the Phillips screws on the sides. Here are the instructions from the user manual:
Disassembly
Shut off gas supply, disconnect the manifold pipe, disconnect the electrical power. Remove pan supports, burner heads and burner rings. Remove control knobs.
In the event that the hob is built in, undo the bracket clamps underneath the work surface. Lift the hob on to the work surface. Unscrew the venturis on the high-speed and super high-speed burners using a 20 mm wrench. Lift and remove the burner rings and burner base plates. Disconnect the wires from the ignition plugs. Keep the wire from dropping into the undertray by inserting it in one of the slots in the burner supports.
Remove the three screws securing the dual ring wok burner. Remove the wok burner base plate. Lift the ceramic tray from the hob.
Note: Each regulator shaft is equipped with a black ring. This ring may cling to the rubber seal in the ceramic tray. Check and remove the rings from the rubber seals.
To order parts, call 1-800-245-8215, 8:30 AM to 5:00 PM EST
SOURCE: 1 burner wont stop clicking on miele cooktop km 344
usually due to the ignition unit being faulty. being miele, the part will be pricey. another solution is to take out the ignition unit and take it into a local electrical repair outfit and see if it can be matched up with one from a different make. to check if this is the problem, interchange two electrode leads on the ignition unit and see if fault changers to another burner. you sometimes find that there is a spare ignition outlet on the ignition unit and this can be used as an alternative
SOURCE: Clicking noise on cooktop even when all burners ignite
Jsut a guess - see this solution: http://www.fixya.com/support/t119696-constant_clicking_when_turned
SOURCE: My Sears cooktop electronic ignitors burners click periodically.
the spark module is grouning itself out. moisture will do this to it.
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