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Error code reference

GE Refrigerator Error Code F514

Door board hot water thermistors have more than 10°F difference after 30 seconds of heating.

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Door board hot water thermistors have more than 10°F difference after 30 seconds of heating.

First step from the service manual

Check both hot water thermistors and compare readings.

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 F514 means on a GE refrigerator

The F514 error code on a GE refrigerator indicates that the two hot water thermistors located on the door board are reading temperatures that differ by more than 10°F after 30 seconds of active heating. This code is associated with refrigerators that include a hot water dispenser system. The door board contains two thermistors that monitor water temperature during the heating cycle, and the control system expects both sensors to track closely together. When one thermistor reads significantly higher or lower than the other after the heating period, the system flags this fault to prevent unsafe water temperatures or inaccurate dispenser operation.

The most common root cause is a failed or failing thermistor. Thermistors are temperature-sensitive resistors, and if one has drifted out of its expected resistance range or has developed an intermittent connection, it will produce an inaccurate temperature reading. The result is a mismatch between the two sensors even when the water temperature itself is uniform. Wiring problems such as loose connectors, corroded terminals, or damaged harness wires between the door board and the thermistors can also cause incorrect readings.

A less common but possible cause is an actual thermal imbalance in the heating system, such as a partially blocked water path or a heater element that is not distributing heat evenly across both sensor locations. Diagnosing this code begins with checking both thermistors individually and comparing their resistance readings to determine whether one has failed or whether the values are consistent and the issue lies upstream in the wiring or door board itself.

Source: manufacturer service documentation.

Common causes of F514

  1. 01

    Failed hot water thermistor

    Part replacement

    One of the two door board thermistors has failed or drifted out of its correct resistance range, causing it to report an inaccurate temperature. Comparing the resistance readings of both thermistors will reveal which one is out of spec.

  2. 02

    Loose or corroded thermistor connector

    Wiring / connection

    A loose, corroded, or intermittently connected wiring connector at one of the thermistors can cause erratic resistance readings. Inspect the connectors on both thermistor leads and reseat or clean them as needed.

  3. 03

    Damaged wiring harness to the door board

    Part replacement

    The wiring routed through the refrigerator door is subject to repeated bending every time the door opens, which can cause wire breaks or chafing over time. Check the harness for visible damage, especially near the hinge area.

  4. 04

    Faulty door board

    Part replacement

    If both thermistors test within their expected resistance ranges and the wiring is intact, the door board itself may be misreading the sensor signals. This is less common but possible when all other components check out.

  5. 05

    Uneven heat distribution in the dispenser

    Wiring / connection

    A partial blockage or restriction in the hot water path could cause one sensor location to heat at a different rate than the other. Check for any restriction in water flow to the heating area if sensor and wiring checks are normal.

See the test procedure for each cause

Frequently asked questions about F514

What does F514 mean on a GE refrigerator?
F514 means the two hot water thermistors on the door board are reading temperatures that differ by more than 10°F after 30 seconds of heating. The refrigerator expects both sensors to track closely during the heating cycle, and this gap indicates a fault in one of the sensors, the wiring, or the door board. The hot water dispenser may be disabled or unreliable until the fault is corrected.
Can I fix the F514 error myself?
Some steps are DIY-friendly, such as inspecting and reseating the thermistor connectors or checking the wiring harness for visible damage. Comparing thermistor resistance readings requires a multimeter and basic electrical knowledge. Replacing a thermistor is a moderate repair, but if the door board itself has failed, most homeowners will want a technician to handle that replacement.
Is it safe to use my refrigerator while the F514 code is active?
The refrigerator's cooling and food storage functions are generally not affected by the F514 code, which is specific to the hot water dispenser system. However, you should avoid relying on the hot water dispenser until the fault is resolved, as the water temperature may not be accurately controlled. Food safety is not a concern as long as the refrigerator and freezer compartments are maintaining proper temperatures.
How much does it cost to repair the F514 error on a GE refrigerator?
If the fix is simply reseating a connector, there may be no parts cost at all, only a service call fee if a technician is involved. Replacing one or both hot water thermistors typically costs in the range of $50 to $150 for parts, plus labor. If the door board requires replacement, the total repair cost can range from $200 to $400 or more depending on the specific model and local labor rates.
Will resetting the refrigerator clear the F514 error code?
A power reset may temporarily clear the F514 code, but it will return if the underlying problem has not been fixed. The control system re-evaluates the thermistors during each heating cycle, so a faulty sensor or wiring issue will trigger the code again within the first use of the hot water dispenser. A permanent fix requires diagnosing and correcting the actual component fault.

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