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Error code reference

GE Refrigerator Error Code F651

FZ Icemaker Stuck in Harvest Fix Mode (after 10 minutes stuck in Harvest Fix Mode).

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FZ Icemaker Stuck in Harvest Fix Mode (after 10 minutes stuck in Harvest Fix Mode).

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What F651 means on a GE refrigerator

The F651 error code on a GE refrigerator indicates that the freezer icemaker has become stuck in Harvest Fix Mode for more than 10 minutes. Harvest Fix Mode is a recovery state the icemaker control system enters when it detects that the harvest cycle, the process of ejecting formed ice cubes from the mold, has not completed normally. Under normal operation, the harvest cycle runs within a defined time window. When the icemaker cannot complete the harvest and remains locked in this corrective mode beyond the 10-minute threshold, the control board flags F651 to alert that intervention is needed.

The harvest cycle depends on several components working in coordination: the harvest heater (which warms the mold to release ice), the ejector motor or sweep arm, and the thermostat or thermistor that monitors mold temperature. A failure in any one of these components can prevent the icemaker from exiting the harvest phase. For example, a faulty harvest heater that does not generate sufficient heat will leave ice bonded to the mold, preventing the ejector from turning. Similarly, a defective icemaker motor module or a stuck ejector arm can halt mechanical progression through the cycle.

Additional causes include a mold thermostat that is out of calibration or failed open, preventing the control board from receiving the signal that harvest temperature has been reached. Wiring harness issues, corroded connectors at the icemaker assembly, or a failed icemaker control module can also produce this fault. In some cases, a heavy ice buildup or a foreign object obstructing the ejector mechanism will cause the same symptom. Diagnosis should focus on the harvest heater continuity, motor function, and thermostat response before replacing the full icemaker assembly.

Source: manufacturer service documentation.

Common causes of F651

  1. 01

    Failed Harvest Heater

    Part replacement

    The harvest heater is responsible for warming the ice mold so cubes can release cleanly. If the heater has an open circuit or low output, ice stays bonded to the mold and the harvest cycle cannot complete. Check the heater for continuity with a multimeter.

  2. 02

    Defective Icemaker Motor Module

    Part replacement

    The ejector motor drives the sweep arm that pushes ice out of the mold. A burned-out or seized motor will stall the mechanical progression of the harvest cycle. Listen for the motor attempting to run and check for physical resistance in the ejector arm.

  3. 03

    Faulty Mold Thermostat or Thermistor

    Part replacement

    The mold thermostat signals the control board when the mold has reached harvest temperature. If it is out of calibration or has failed open, the system may never receive confirmation that harvest conditions are met, keeping it trapped in Harvest Fix Mode.

  4. 04

    Ice or Debris Obstructing the Ejector

    Wiring / connection

    Excess ice buildup, a broken ejector arm, or a foreign object in the icemaker tray can physically block the sweep mechanism. Inspect the icemaker compartment visually and manually check that the ejector arm can rotate freely after defrosting the unit.

  5. 05

    Wiring Harness or Connector Fault

    Wiring / connection

    Corroded or loose connectors at the icemaker harness can interrupt power or signal to the harvest heater, motor, or thermostat. Inspect all connections at the icemaker assembly for corrosion, moisture damage, or pins that have backed out of their housings.

See the test procedure for each cause

Frequently asked questions about F651

What does F651 mean on a GE refrigerator?
F651 means the freezer icemaker has been stuck in Harvest Fix Mode for more than 10 minutes. Harvest Fix Mode is a recovery state the icemaker enters when the normal harvest cycle, releasing formed ice from the mold, does not complete on time. The code signals that a component involved in the harvest process, such as the heater, motor, or thermostat, needs inspection.
How do I fix the F651 error on my GE refrigerator?
Start by manually defrosting the icemaker compartment to rule out an ice jam, then inspect the ejector arm for obstructions. After that, test the harvest heater for continuity and check the icemaker motor for function. If a specific component has failed, replacing it should resolve the error. If all individual components test good, the icemaker control module itself may need to be replaced.
Will resetting my GE refrigerator clear the F651 code?
A reset may temporarily clear the F651 code, but if the underlying fault persists, the code will return once the icemaker attempts another harvest cycle. Resetting the unit is a reasonable first step to confirm whether the fault is intermittent, but a recurring F651 requires component-level diagnosis to resolve permanently.
Is the F651 error on a GE refrigerator a safety concern?
The F651 error is not a safety hazard in the way that a gas or electrical emergency would be, but it does indicate that the icemaker is not functioning correctly and ice production has stopped or is unreliable. Leaving the issue unaddressed for an extended period can place stress on the icemaker control board and related components, potentially leading to a more costly repair.
How much does it cost to repair a GE refrigerator showing F651?
Repair costs vary depending on which component has failed. A replacement harvest heater or mold thermostat typically falls in the range of $20 to $60 for the part alone. A full icemaker assembly replacement can range from $80 to $200 or more for the part. Adding professional labor, total repair costs generally range from $150 to $350 depending on the specific diagnosis and local service rates.

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