With the oven knob in the OFF POSITION the oven turns on for a few minutes then it shuts off by itself. This happens randomly during the day or night. I suspect a defective control board. Am I on the right track? Thanks for your help.
Answer Mimmo, Sorry, but no you're not on track. The "control board" or clock WB27T10469 is a clock only. It has no function or control of the oven burner. Your issue with the oven turning itself on for a few minutes when the knob is in the "OFF" position would involve the oven thermostat WB20K8 There would be an issue in the electrical contacts in the thermostat and it will need to be replaced.
We have a problem with lighting our oven. It wont lite
, but the burners on top are fine and are working. Would like to replace the part that is causing the oven to not work. What part would that be?
Answer Hello Michelle. Test for 3.2-3.6 volts AC at the gas safety valve with the igniter turned on. If the voltage is there, you have a bad safety valve. If the voltage is low, you have a weak igniter and the igniter will need to be replaced. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html
Ater using oven shut off oven and it would not turn off off. Unplugged oven and it shut off. Plugged oven back in and even with knob off it came back on? What would cause this?
Answer Hello Larry. It sounds like the thermostat WB20K8 is bad and will need to be replaced on the unit. Make sure the knob is not broken and not turning the shaft of the thermostat. This will cause the issue as well.
Is the clock responsible for any igniting function of the oven?
Answer Hello Karen,
The clock contains the control circuits that turn on and off the bake and broil elements, so the answer to your question is yes. Once the control circuit is activated, the relay on same sends voltage to the ignitor. As the ignitor heats up, voltage is sent to the coils on the gas valve which builds an electromagnetic field. When the current flow through the ignitor reaches from 3.2 to 3.6 amps, the magnetic field generated in the gas valve coils become strong enough to open the gas valve and you have ignition. When the unit cycles or is turned off, the electromagnetic field breaks down and the gas valve closes itself since it contains a spring that holds it shut until the process repeats.