F30
Viking Temperature Calibration / Sensor Drift

Viking oven displays F30; temperature readings are inaccurate or fluctuate widely.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Aging oven temperature sensor, Loose sensor mounting causing poor contact with cavity air, EOC calibration drift, Poor electrical ground

How to Fix / Troubleshooting

Safety: Disconnect power before removing the sensor or control panel.

Steps:

  • Verify actual oven temperature with a reliable oven thermometer placed in the center of the cavity.
  • If the displayed temperature differs by more than 25°F from actual, check the sensor resistance at room temperature and at a known elevated temperature (e.g., 350°F) using a thermocouple and multimeter. Replace the sensor if readings are out of spec.
  • Ensure the sensor is firmly mounted and not bent away from the airflow.
  • Many Viking EOCs allow user calibration (offset). Follow the user manual to adjust the temperature offset if the sensor is good.
  • If calibration cannot correct the issue, replace the EOC.
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Repair Difficulty

Medium 3/5

Required Part

Oven Temperature Sensor (RTD Probe)
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