Error code reference

GE Microwave Error Code ERROR

Sensor cooking failure

GE codesGE microwave codes

Sensor cooking failure — the sensor did not detect food vapor within approximately 2 to 9 minutes after a sensor-assisted cooking program was started, or the oven did not reach expected convection temperature in the expected time.

First step from the service manual

Check the sensor circuit for an open or shorted condition using the Auto Cook Diagnostic Test (touch and hold pads 6, 7, 8 simultaneously and observe diagnostic number).

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

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What ERROR means on a GE microwave

The ERROR code on a GE microwave indicates the humidity sensor failed to detect food vapor within the expected 2 to 9 minute window during a sensor cooking cycle. The control board monitors vapor output from food as it heats, using this data to determine doneness and regulate cooking time. When no vapor signal is registered within the detection window, the board interprets this as a sensor failure or invalid cooking condition and shuts the oven off to prevent overcooking or appliance damage.

In plain terms, your microwave has a built-in sensor that 'smells' steam rising from your food to figure out when it's done. If that sensor doesn't pick up any steam within roughly 2 to 9 minutes, the microwave stops and displays ERROR instead of continuing to cook blindly. This can happen because the sensor itself has failed, but it can also happen because the food or container wasn't right for sensor cooking.

Before assuming the sensor is defective, GE provides a built-in quick test: press and hold pads 7 and 8 at the same time to run a sensor diagnostic. Also verify that you started with food at room temperature, used a microwave-safe cover to trap steam, and did not use frozen food or a sealed container, all of which can prevent the sensor from detecting vapor properly.

Source: manufacturer service documentation.

Common causes of ERROR

  1. 01

    Improper sensor cooking conditions

    Wiring / connection

    Starting a sensor cook cycle with frozen food, an uncovered dish, or a sealed container prevents steam from reaching the sensor within the detection window. The sensor is working correctly but has no vapor to detect, triggering the ERROR shutdown.

  2. 02

    Failed or degraded humidity sensor

    Part replacement

    The humidity sensor itself can fail or lose sensitivity over time, preventing it from registering food vapor even when steam is present. This is confirmed when the sensor quick test (pads 7 and 8) returns an abnormal result.

  3. 03

    Contaminated or blocked sensor

    Wiring / connection

    Food splatter or grease buildup on or around the sensor port can block vapor from reaching the sensing element. The sensor may still pass a basic diagnostic but cannot respond to steam in real cooking conditions.

  4. 04

    Faulty wiring or connector to the humidity sensor

    Part replacement

    A damaged wire or loose connector between the humidity sensor and the control board can interrupt the signal, causing the board to receive no vapor reading even when the sensor is functioning. This typically requires accessing the sensor wiring harness for inspection.

See the test procedure for each cause

Frequently asked questions about ERROR

What does the ERROR code mean on a GE microwave?
The ERROR code means the microwave's humidity sensor did not detect food vapor within approximately 2 to 9 minutes during a sensor cooking cycle, so the oven shut itself off. The microwave uses a steam sensor to monitor food doneness, and when no steam signal is registered in time, it stops rather than continue cooking without feedback. Check that your food was covered, at room temperature, and not in a sealed container before assuming the sensor is faulty.
How do I fix the ERROR code on my GE microwave?
Start by running the built-in sensor diagnostic: press and hold pads 7 and 8 simultaneously to trigger the quick test. If the test passes, the sensor is likely fine and the issue is with cooking conditions, use a vented cover over your food and make sure it is not frozen. If the test fails, inspect the sensor area for grease or food debris and clean it gently. A sensor that fails the diagnostic after cleaning will need to be replaced, which is a moderate repair involving disassembly of the microwave cavity.
Is it safe to use my GE microwave while it shows ERROR?
The microwave shuts itself off when ERROR appears, so it will not continue cooking in an unsafe state. You can still use manual time-cook functions on most GE models because those do not rely on the humidity sensor. Avoid using any sensor cook modes until the issue is resolved, as the cycle will terminate early every time.
Can I reset the ERROR code on my GE microwave?
Opening the door or pressing the Cancel or Clear pad will typically clear the ERROR display. However, the code will return every time you attempt a sensor cook cycle if the underlying issue is not resolved. A power reset by unplugging the microwave for 30 seconds can also clear the display, but it does not fix a faulty sensor.
How much does it cost to fix the ERROR code on a GE microwave?
If the problem is cooking conditions, the fix costs nothing. If the humidity sensor needs replacement, the part typically runs between $20 and $60 depending on the model, and a technician will add 45 to 90 minutes of labor at local shop rates. DIY replacement is feasible for someone comfortable with basic appliance disassembly, but high-voltage capacitors inside microwaves retain a lethal charge even when unplugged, so the capacitor must be discharged before any internal work begins.

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