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Error code reference

GE Refrigerator Error Code 0721

AutoFill sensors detect an object present over several hours; sensors may be dirty and overfilling may occur.

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What the 0721 error code actually means

Your GE refrigerator's AutoFill water dispenser has sensors that detect when a glass or container is placed under it, and those sensors are reporting that something has been sitting there for hours when it likely has not. This usually means the sensors are dirty or coated with mineral deposits or residue. If left uncorrected, the dispenser may overfill your containers and spill water.

Diagnostic procedure

The full 0721 procedure

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First diagnostic step
Attempt to clean AutoFill sensors before replacing.
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Most common causes of 0721

Ranked by how often they cause this code
  1. 1Dirty or contaminated AutoFill sensors
  2. 2Object left in the dispenser area
  3. 3Moisture or condensation on sensor surface
  4. 4Faulty AutoFill sensor
  5. 5Control board communication fault

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Questions people ask about 0721

What does 0721 mean on a GE refrigerator?
Code 0721 means the AutoFill dispenser sensors have detected an object continuously present in the dispenser area for several hours. This can indicate dirty sensors that are giving false readings, or an actual object left in front of the dispenser. If the condition continues, the AutoFill system may overfill containers.
Will resetting my GE refrigerator clear error code 0721?
A reset may temporarily clear the code, but if the underlying cause is dirty sensors or a faulty sensor component, the error will return. Cleaning the sensors thoroughly before or after a reset gives you the best chance of a lasting fix without parts replacement.
How much does it cost to repair error code 0721 on a GE refrigerator?
If cleaning the AutoFill sensors resolves the issue, the repair costs nothing beyond a few minutes of time. If a sensor component needs replacement, parts and labor can range from around $75 to $200 or more depending on your location and service provider. Diagnosing the sensor as failed is only recommended after cleaning has not resolved the fault.
How do I fix error code 0721 on my GE refrigerator?
Start by cleaning the AutoFill sensors with a soft cloth to remove any mineral deposits, dried liquid, or residue from the sensor surface. Also make sure no cups or containers are sitting in the dispenser area. After cleaning, reset the refrigerator by unplugging it for a minute or pressing the reset function if available, then check if the code returns.
Is error code 0721 a safety concern on a GE refrigerator?
The primary risk with code 0721 is overfilling, where the AutoFill dispenser continues releasing water beyond the correct fill level and spills onto your counter or floor. This can cause water damage to cabinetry or flooring if left unaddressed. It is not an electrical safety hazard, but it should be corrected promptly to avoid water damage.

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