Maytag Microwave Error Code E11

E11 means the control board has detected an open circuit in the gas sensor. The board is receiving no signal from the sensor, which points to a disconnected plug, broken wiring, a failed gas sensor, or a faulty PCB assembly. Start by checking whether the sensor connector is seated fully before replacing any parts.

Basic microwave functions like timed cooking may still operate, but sensor-based cooking modes will not work correctly with E11 active because the control board cannot read the gas sensor. Using the microwave in timed mode carries limited risk, but running it with a known open sensor circuit is not recommended long-term. Resolve the error before relying on any sensor cooking features.

Unplugging the microwave will clear the error display temporarily, but E11 will return as soon as the control board checks the gas sensor circuit again and still finds an open circuit. A power reset is not a fix. The underlying wiring, connector, sensor, or PCB issue must be corrected for the error to stay cleared.

Begin by unplugging the microwave, then access the gas sensor and check that its wiring connector is fully plugged in at both the sensor end and the PCB end. If the connector is secure, inspect the harness for visible damage. If wiring looks intact, test the gas sensor for continuity with a multimeter. A reading of no continuity confirms the sensor needs replacement. If the sensor tests fine, the PCB assembly may need to be replaced.

If the issue is just a loose connector, the repair costs nothing beyond your time. A replacement gas sensor typically costs between $20 and $60 depending on the model. A new PCB assembly is the most expensive fix, often ranging from $80 to $200 or more for parts alone. Professional labor adds $75 to $150 in most markets, making PCB replacement on an older unit potentially not worth the cost compared to replacement.