When your Bosch oven probe is not working, the meat thermometer may show no temperature, display a probe error, or fail to respond when connected. Start with the meat probe, the most likely cause. Its resistance should change as the probe temperature changes, and an open circuit on a multimeter indicates a faulty probe that needs replacement. If the probe tests good, the Bosch oven control board may not be receiving or processing its signal. Next, check the door switch, since some Bosch ovens require the door to be closed before the oven probe or meat thermometer operates. Test the switch for electrical continuity when actuated. A damaged or corroded probe jack, also called the receptacle, can prevent proper contact and cause a temp probe not working problem. An oven control board is another possible cause if the probe and receptacle are good but the display remains unresponsive. Enter your Bosch oven or range model number to find the exact replacement meat probe, control board, door switch, or receptacle for your appliance.
01 - Bosch 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.
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.