Montgomery Wards Oven meat thermometer not working
When your Montgomery Wards oven meat thermometer is not working, the oven probe is usually the first part to check. The meat probe changes resistance as its temperature changes, and an open circuit reading on a multimeter means the probe is defective and needs replacement. A damaged probe can cause an oven probe error or make the meat thermometer appear unresponsive. If the probe tests good, inspect the probe jack, also called the receptacle, for corrosion, debris, or loose contact. The oven control board monitors the probe through this connection, so a failed range control board or oven control board can also cause the oven thermometer not to work. Less commonly, a defective door switch prevents the thermometer from operating when the door is closed. Test the switch for continuity while actuated, and replace it if it does not respond correctly. Disconnect power before testing or replacing parts, and use a multimeter when instructed. Enter your Montgomery Wards range, stove, or oven model number to find the exact replacement meat probe, receptacle, door switch, or control board for your appliance.
01 - Montgomery Wards 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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02 - Montgomery Wards Range/Stove/Oven Control Board
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.
03 - Montgomery Wards Range/Stove/Oven Door Switch
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 - Montgomery Wards 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.