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Error code reference

GE Refrigerator Error Code 0303

FF temperature exceeds 20°F over setpoint, 1-hour post defrost or door opening.

GE codesGE refrigerator codes

FF temperature exceeds 20°F over setpoint, 1-hour post defrost or door opening.

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  • Step-by-step tests with expected resistance, voltage, and continuity values
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What 0303 means on a GE refrigerator

Error code 0303 on a GE refrigerator indicates the control board has detected that the freezer compartment (FF) temperature has risen above 50°F. This threshold represents a significant cooling failure, not a minor fluctuation. The control board monitors the freezer thermistor continuously, and when the sensed temperature climbs past this limit, the 0303 code is logged and displayed to flag that the freezer is no longer maintaining safe operating temperatures. The fault points to a breakdown somewhere in the freezer's cooling circuit, which could involve the evaporator fan, the defrost system, refrigerant charge, the compressor, or the thermistor itself.

For a homeowner, this code means your freezer is too warm and food stored inside is at risk of spoiling or thawing. A freezer should normally stay at or below 0°F. A reading above 50°F is well into the danger zone for frozen food safety. This is not a code you can ignore or monitor over time. The unit needs to be inspected promptly to identify why cold air is not being produced or circulated in the freezer section.

Common triggers include a failed evaporator fan motor that stops moving cold air, a defrost system stuck in heater mode that has warmed the evaporator coils, a heavily iced-over evaporator blocking airflow, or a refrigerant leak causing loss of cooling capacity. A failed or out-of-range freezer thermistor can also produce a false 0303 reading without an actual temperature problem.

Source: manufacturer service documentation.

Common causes of 0303

  1. 01

    Evaporator coils iced over blocking airflow

    Part replacement

    When the defrost heater or defrost thermostat fails, ice builds up on the evaporator coils until airflow is completely blocked. The freezer fan continues to run but cannot move air through the ice-packed coils, causing freezer temperature to climb past 50°F.

  2. 02

    Failed evaporator fan motor

    Part replacement

    The evaporator fan circulates cold air from the coils throughout the freezer compartment. If the motor seizes, a blade cracks, or the motor windings fail, cold air stops circulating and freezer temperature rises rapidly.

  3. 03

    Faulty freezer thermistor (temperature sensor)

    Part replacement

    The freezer thermistor reports temperature data to the control board. If the thermistor drifts out of its resistance range or develops an open circuit, the control board may log a 0303 code even when the actual freezer temperature is normal.

  4. 04

    Low refrigerant charge or compressor failure

    Part replacement

    A refrigerant leak or a compressor that has lost its pumping capacity means the system cannot produce adequate cooling. The freezer will gradually warm past 50°F and the compressor may run continuously without pulling temperatures down.

See the test procedure for each cause

Frequently asked questions about 0303

What does error code 0303 mean on a GE refrigerator?
Code 0303 means the control board has detected that the freezer compartment temperature has exceeded 50°F. This is well above the safe operating range for a freezer, which should be at or near 0°F. The code tells you the freezer has lost its ability to maintain proper temperature, and the cause needs to be identified before stored food is lost.
Can I still use my GE refrigerator with error code 0303 active?
The refrigerator section may still be cooling, but the freezer is not safe for storing frozen food when this code is active. Any frozen food that has reached above 40°F for more than two hours should be discarded per USDA food safety guidelines. Do not put new food in the freezer until the fault is diagnosed and repaired.
How do I fix error code 0303 on a GE refrigerator?
Start by unplugging the refrigerator for 24 hours with the freezer door propped open to allow any ice buildup on the evaporator coils to melt fully, then restore power and check if the error clears. If it returns, you need to inspect the evaporator fan motor for operation, check the defrost heater and defrost thermostat for continuity, and test the freezer thermistor resistance against the spec in the service manual. If the fan and defrost components test good and the thermistor reads correctly, the fault may point to low refrigerant or a failing compressor, which requires an EPA-certified technician.
How much does it cost to repair a GE refrigerator showing code 0303?
If the fix is a defrost heater or thermostat, parts typically run $20 to $60 and the repair is manageable for a confident DIYer. An evaporator fan motor usually costs $40 to $100 in parts. A freezer thermistor is generally under $30. If the problem is a refrigerant leak or compressor failure, repair costs can reach $300 to $600 or more including labor, at which point the age and value of the refrigerator should factor into the decision to repair or replace.
Will code 0303 on a GE refrigerator clear itself after the temperature drops?
On some GE models the code will clear once the freezer thermistor reads a temperature below the fault threshold after the underlying problem is resolved. However, if the root cause is not fixed, the code will return as the freezer warms again. A code that clears briefly and then comes back confirms the cooling system has an active fault that needs repair, not just a reset.

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