Tip & How-To about Ovens
If your Oven, Kitchen Range, or Cook Top is not working at all then here are some things that you can check out to see why it is not working. As always be aware that electricity can kill you. Make sure that you use care and have the power turned off when working with the wiring of these appliances.
The first thing to check is to make sure that the circuit breaker or fuses are giving you the proper voltage. At the connection point of your appliance, you should have 110v to ground at both legs. (The red and black wires.) It is also very important that you check the voltage across the red and black wires. You must have 220v across them. It is possible for the 110v to feed back through the appliance and give you the 110v at each wire, but you still do not have 220v to the appliance if you do not have the 220v across the legs. Some circuit breakers will trip only one side and resetting them can take a bit of effort to get them to reset properly. Pull fuses and check them with an ohm meter to see if they are blown or not. If they are open they are no good and will need to be replaced. NEVER replace a fuse with a larger one or jumper the fuse in anyway!!! That is what burns down houses!!
Next, check the wires at the terminal block connection of your appliance. The terminal connections will often become loose after heating and cooling many times. When the connection becomes loose it will start to heat up and then the whole problem gets rapidly worse. If you have a burnt wire or a burnt terminal lug, cut off the wire if you can to get to good wire, or replace the terminal block on the appliance. If you do not make the extra effort to reattach the wires properly, you will soon have the problem all over again.
If you have an outlet that your appliance plugs into, check the outlet and the plug for signs of heat damage. If the plug or the outlet have burn marks on them you will need to replace them both.
These steps are the first in the troubleshooting process of many major appliances. Once you have verified that the appliance is getting the correct voltage, then you can continue to check out other things that may be causing your problem.
Posted by D. Floyd... on
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