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Error code reference

Electrolux Microwave Error Code E-11

Open error of gas sensor.

Electrolux codesElectrolux microwave codes

Open error of gas sensor.

First step from the service manual

Check gas sensor connection and wiring; perform sensor quick test.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
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What E-11 means on a Electrolux microwave

The E-11 error code on an Electrolux microwave indicates an open circuit condition in the gas sensor circuit. An "open" error means the control board is detecting either no signal or a broken electrical path from the gas sensor, which is used in some microwave models to detect combustion gases or cooking odors and adjust ventilation accordingly. The control board continuously monitors the sensor's output signal, and when that signal falls outside the expected range or disappears entirely, it logs the E-11 fault and may halt certain functions.

The most common causes of this error are related to wiring and connection integrity rather than the sensor itself failing. A loose connector at the sensor harness plug, a broken wire in the sensor circuit, or corrosion at the terminal contacts can all cause the control board to read the circuit as open. The gas sensor itself is a small component that can degrade over time, particularly in high-humidity or high-heat environments, and may develop an internal open that prevents proper signal transmission.

Diagnosing E-11 should begin with a visual inspection of the gas sensor connector and all associated wiring for damage, corrosion, or disconnection. A quick sensor test, as recommended in the first diagnostic step, involves checking continuity through the sensor circuit using a multimeter. If the wiring and connectors check out, the sensor element itself should be tested for proper resistance output. A sensor that reads open on a continuity test will require replacement.

Source: manufacturer service documentation.

Common causes of E-11

  1. 01

    Loose or disconnected sensor wiring connector

    Wiring / connection

    The wiring harness plug connecting the gas sensor to the control board can work loose over time due to vibration or handling during prior service. Inspect the connector for a secure fit and check for bent or backed-out terminals.

  2. 02

    Broken or damaged wire in the sensor circuit

    Wiring / connection

    A wire in the gas sensor circuit may be pinched, cut, or broken, creating an open circuit that the control board registers as an E-11 fault. Use a multimeter to check continuity along the full length of the sensor wiring.

  3. 03

    Corroded sensor terminals or connector pins

    Wiring / connection

    Moisture and heat inside the microwave cavity can cause corrosion at the sensor connector pins, increasing resistance to the point where the board reads the circuit as open. Cleaning or replacing the connector may resolve the fault.

  4. 04

    Failed gas sensor

    Part replacement

    The gas sensor itself can develop an internal open failure, producing no output signal regardless of wiring condition. If continuity testing confirms the wiring is intact but the sensor reads open, the sensor component will need to be replaced.

  5. 05

    Faulty control board

    Part replacement

    In less common cases, the control board's sensor input circuit may fail, causing it to misread a functioning sensor as open. This is typically diagnosed only after the sensor and wiring have been confirmed good.

See the test procedure for each cause

Frequently asked questions about E-11

What does E-11 mean on a Electrolux microwave?
E-11 indicates an open circuit error in the gas sensor system. The control board is not receiving a valid signal from the gas sensor, which monitors air quality or combustion gases near the appliance. This can result from a disconnected wire, corroded connector, or a failed sensor. The microwave may restrict certain functions until the fault is resolved.
Can I fix the E-11 error myself?
Some causes of E-11 are DIY-accessible, such as reseating a loose connector or inspecting visible wiring for obvious damage. However, working inside a microwave involves high-voltage components, including capacitors that can retain a lethal charge even when unplugged. Unless you are experienced with appliance repair and know how to safely discharge capacitors, it is recommended to have a qualified technician perform internal inspections and part replacements.
Is it safe to use my Electrolux microwave while E-11 is showing?
It is generally not advisable to continue using the microwave while an active fault code is displayed. The gas sensor serves a monitoring function, and operating without a working sensor means the appliance cannot detect certain air quality conditions as intended. Continued use could also mask developing issues. Have the fault diagnosed before resuming regular use.
How much does it cost to repair an E-11 error on an Electrolux microwave?
Repair costs vary depending on the root cause. If the fix is simply reseating a connector or cleaning terminals, a service call fee of roughly $75 to $150 may be all that is required. If the gas sensor itself needs replacement, parts and labor combined can range from $100 to $250 or more. A control board replacement would be at the higher end of repair costs and may approach or exceed the value of an older unit.
Will resetting my Electrolux microwave clear the E-11 error?
A power reset by unplugging the microwave for a minute or two may temporarily clear the E-11 code, but the error will return if the underlying problem with the gas sensor circuit is not corrected. A reset does not repair a broken wire, corroded connector, or failed sensor. Persistent reappearance of E-11 after a reset confirms that a physical inspection and repair are needed.

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