Question about Microwave Ovens
Hi, if your Electric Oven will not Heat Up Check the Following:
Power Cord If the power cord fails you still may have the control portion working but no bake or some other functions. The reason this happens is the oven takes in 220 volts then splits that to 2 110 lines. Some for the controls, lights, bake and broils elements, and stove top. If your cord has failed on one half of the 220 line or the terminal block were the wires are connected may have melted or failed. You may need to replace the cord and terminal block.
Heating Element This is usually the problem. To Check this first turn oven on to a bake setting,say @350, check to see if element glows, if not shut oven off. If it is warm but does not glow it is getting power and the element needs to be replaced. If it does not get warm remove the element and check to see if it is getting power if it does get power replace the element. No power it is the main control that has failed. Check element for continuity, if none replace.
Temperature Sensor This is a long thin tube like part located usually in the top rear of the oven. It is held in by 2 screws. This can easily be removed by removing the 2 screws and carefully pulling it out. Usually there will be wires connected and insulation so you will need to work it out. Then unplug the connector and check with an ohmeter. It Should have around 1000-1100 ohms if not replace the sensor. Some will have a thin capillary tube attached in this case the problem will be in the control attached to this tube.
Main Control This can cause your oven not to heat. Sometimes the oven relay gets burned out, when this happens the control is unable to send power to the bake element. There will usually be separate relays for bake and broil if you have 2 different elements. If your heating element gets no power replace the control. If your control does not respond at all check to if youhave power entering the control. If you do and it does not respond replace the control. No power to the control Check or replace the power cord.
Posted on Oct 12, 2010
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Posted on Jan 02, 2017
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