If your Magic Chef oven probe is not working, the meat thermometer problem is most likely caused by a faulty meat probe. The probe resistance should change as its temperature changes; if a multimeter shows an open circuit, replace the probe. If the probe tests good, the range/stove/oven control board may not be reading the food temperature through the probe jack. A defective door switch can also prevent the oven meat thermometer from operating because some models require the door to be closed before the control board activates the probe circuit. Test the door switch for continuity while actuating it, and replace it if it fails. Next, inspect the probe receptacle, also called the probe jack, for corrosion, damage, or poor contact, and replace it if needed. An oven control board can cause the same symptom when the probe and receptacle are working properly but the temperature signal is not recognized. These steps can help resolve an oven probe error or meat thermometer not working issue without replacing the entire Magic Chef oven. Enter your model number to find the exact replacement meat probe, control board, door switch, receptacle, or oven control board for your appliance.
01 - Magic Chef Range/Stove/Oven Meat Probe
The meat probe resistance changes with the temperature of the probe. If the probe shows an open circuit when tested with a multimeter, the probe is bad and will need to be replaced.
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When the probe is plugged into the jack, the control board monitors the food temperature from the probe. If the temperature probe and jack are good but the control board is not responding, the control board is likely bad.
Some oven meat thermometers will not function properly unless the oven door is closed which activates a door switch to alert the control board that the door is closed. If the door switch is defective, the oven meat thermometer may not work. To determine if the switch is defective, use a multimeter to test it for electrical continuity when actuated. If the door switch does test appropriately for continuity, replace it.
The meat probe jack or receptacle needs to be clean and making good contact with the meat probe. If the receptacle appears corroded or damaged, the component should be replaced.
05 - Magic Chef Range/Stove/Oven Oven Control Board
When the probe is plugged into the jack, the oven control board monitors the food temperature from the probe. If the temperature probe and jack are good but the control board is not responding, the control board is likely bad.