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Error code reference

GE Refrigerator Error Code Icemaker Sensor Error

Icemaking sensor malfunction

GE codesGE refrigerator codes

Icemaking sensor malfunction — open or shorted wire or sensor on ice maker.

First step from the service manual

Make sure that the wire on each sensor is connected.

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 Icemaker Sensor Error means on a GE refrigerator

The Icemaker Sensor Error on a GE refrigerator indicates a malfunction in the temperature sensor circuit associated with the ice maker assembly. This sensor monitors ice maker temperatures to regulate the freezing and harvest cycle. When the control board detects an open circuit or a short circuit in the sensor wiring or the sensor itself, it triggers this error code to alert the technician that accurate temperature readings are no longer being received.

An open circuit condition means the electrical path through the sensor or its wiring has been broken, resulting in no signal reaching the control board. A shorted condition means two conductors in the circuit are making unintended contact, sending an invalid or out-of-range signal. Both conditions prevent the ice maker from operating correctly, since the control board cannot confirm proper temperatures for ice production or harvest timing.

The most common entry points for this fault are loose or disconnected wire harness connectors at the sensor or control board, physical damage to the sensor wiring from ice buildup or pinching, and a failed sensor element itself. Because the ice maker environment is subject to repeated freeze and thaw cycles and mechanical harvesting movement, connectors and wiring in this area experience more stress than most other refrigerator circuits. Checking all sensor wire connections is the recommended first diagnostic step before condemning the sensor or any other component.

Source: manufacturer service documentation.

Common causes of Icemaker Sensor Error

  1. 01

    Disconnected or loose sensor wire connector

    Wiring / connection

    The wire harness connector at the ice maker sensor may have worked loose due to vibration or ice buildup. Inspect and firmly reseat all connectors on the ice maker sensor wiring before proceeding with further diagnostics.

  2. 02

    Damaged sensor wiring

    Part replacement

    The wiring leading to the ice maker sensor can become pinched, cracked, or broken due to repeated ice maker harvesting cycles or ice accumulation pressing against the wire. Look for visible breaks, fraying, or kinking along the wire's path.

  3. 03

    Failed ice maker temperature sensor

    Part replacement

    The sensor element itself can fail open or short internally, producing an out-of-range or absent signal. If wiring and connections check out, the sensor component will need to be tested for correct resistance and replaced if values fall outside specification.

  4. 04

    Ice or frost buildup interfering with sensor connection

    Wiring / connection

    Excess frost accumulation around the ice maker assembly can physically displace sensor wiring or force connector pins apart. Defrosting the ice maker compartment thoroughly may resolve an intermittent version of this error.

  5. 05

    Faulty ice maker control board or main control board

    Part replacement

    If the sensor and all wiring test correctly, the board responsible for reading the sensor signal may have failed. This is the least likely cause and should only be considered after ruling out all wiring and sensor issues.

See the test procedure for each cause

Frequently asked questions about Icemaker Sensor Error

What does Icemaker Sensor Error mean on a GE refrigerator?
The Icemaker Sensor Error means the refrigerator's control board has detected an open or shorted circuit in the ice maker temperature sensor or its wiring. This sensor is responsible for monitoring temperatures in the ice maker to control the freeze and harvest cycles. When the sensor signal is missing or out of range, the control board logs this error and the ice maker typically stops functioning.
How do I fix the Icemaker Sensor Error on my GE refrigerator?
Start by checking that every wire connector on the ice maker sensor is fully seated and secure, since a loose connection is the most common cause. If all connections are intact, inspect the sensor wiring for any visible damage such as pinching, cracking, or breaks. If the wiring looks good, the sensor itself may need to be tested for proper resistance and replaced if it has failed. In rare cases, the control board may be the source of the fault.
Is the Icemaker Sensor Error on a GE refrigerator a safety issue?
This error is generally not a safety hazard for the home or the food stored in the refrigerator and freezer compartments. The main impact is that ice production will be disrupted or stopped entirely. The refrigerator's cooling functions are typically independent of the ice maker sensor circuit, so food preservation should not be immediately affected.
How much does it cost to repair the Icemaker Sensor Error on a GE refrigerator?
If only a wire reconnection is needed, there may be no parts cost at all, with any expense limited to a service call fee, which typically ranges from $75 to $150 depending on your location. Replacing a failed ice maker sensor usually costs between $20 and $80 for the part, plus labor if a technician performs the repair. If a control board replacement is required, costs can range from $150 to $400 or more for parts and labor combined.
Will resetting my GE refrigerator clear the Icemaker Sensor Error?
A reset may temporarily clear the error code from the display, but if the underlying problem with the sensor or its wiring has not been corrected, the error will return. Resetting without diagnosing and fixing the root cause does not restore normal ice maker operation. It is best to inspect the sensor connections and wiring before relying on a reset to resolve the issue.

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