Kenmore Oven Error Code ERROR

The ERROR code on this Kenmore microwave oven indicates that the humidity sensor failed to detect the expected level of steam during a sensor cooking cycle. Sensor cooking relies on a humidity sensor, sometimes called a moisture sensor, that monitors the steam released from food as it heats. When food is cooking properly, moisture evaporates and rises toward the sensor. The control board uses those readings to determine cooking progress and automatically adjust time and power. If the sensor does not register a meaningful rise in humidity within the expected window, the control board flags this error and halts the automatic cycle.

Several factors can prevent the sensor from detecting steam correctly. The sensor itself may be contaminated with grease or food residue, which coats the sensing element and dampens its ability to detect moisture changes. The sensor may also be faulty or have a degraded connection to the control board. Environmental conditions matter as well: if the kitchen is very humid before cooking begins, the sensor may not register a relative change. The food item may also be too cold, too dry, or too small to generate sufficient steam in the detection window.

This error applies to all sensor cooking functions except popcorn, which uses a separate detection method. It does not indicate a safety hazard or a magnetron failure. Cooking can continue normally using manual time and power settings. If the error occurs consistently across multiple sensor cook attempts with different foods, a thorough inspection of the sensor and its wiring harness is warranted before assuming the control board has failed.