Microwave displays F4E1, may be associated with temperature or convection features

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.

Possible Causes

Broken temperature sensor, Disconnected sensor harness, Damaged connector at control board

Safety: Disconnect power before accessing the sensor or control board.

Locate sensor: On convection-capable Whirlpool microwaves, the temperature sensor is usually mounted in the rear or side of the cavity.
Inspect wiring: Check that the sensor harness is plugged in securely at both the sensor and control board ends.
Check for physical damage: Look for broken insulation or a sensor that is loose or bent.
Replace sensor: If the sensor appears damaged or is open when tested with a meter, replace it with the correct Whirlpool temperature sensor.

Hard 4/5

Oven Temperature Sensor

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