My name is XXXXX XXXXX X am an authorized Jenn Air service tech and I can help you today.
If you were using the cooktop and the fan came on then that means the cooktop has reached a temp to which the fan has come on. and in most cooktops if the unit reaches and goes beyond 275 degrees the fan will ocme on and not go off until it gets below 275 degrees again.
so if the fan switch has been turned off give it time to cool off. and if the fan still hasnt gone off after the unit has cooled then we have a problem either with the fan switch or the controls of the fan.
if it has been a while already then please get back to me here when you are ready to diagnose this machine and we will figure it out together.
Waited 15 minutes, fan did not switch off. I unplugged the fan from underneath the gas cook top. I plugged the fan back in, and it is staying off, but now I need to light my gas cook top manually -- with a bar-b-que lighter.....
waiting for jon's reply