KitchenAid Cooktops - Recent Questions, Troubleshooting & Support
I have a comercial style
You should make sure the range matches the correct gas, if you have to change orifice you must get the correct ones from manufacture do not use any other orifice
always unplug electricity before attempting to repair on any electrical appliance
Constant sparking
I don't have a Thermador cooktop but here is ma taught.
Could you unplug the two faulty igniters and see if problem remained
Could you plug one of the faulty igniter at the location of a good one. The goal is to isolate the problem. Is it the igniter or the electronic board.
Faulty ground problem may occur also after an spillover on the stove. In that case, use a cotton swab dipped in scrubbing alcool and clean the spark area on the igniter and the burner.
Good luck
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