25Problem Possible Causes What To DoVent fan comes on The vent fan automatically turns This is normal.automatically on to protect the microwave if itsenses too much heat rising fromthe cooktop below.SENSOR ERROR appears When using a Sensor feature, Do not open door until steam is sensed and timeon the display the door was opened before is shown counting down on the display.steam could be detected.Steam was not detected in a Use COOK TIME to heat for more time.maximum amount of time.Before you call for service… GEAppliances.ca