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Error code reference

GE Dryer Error Code F02

Outlet thermistor short circuit.

GE codesGE dryer codes

Outlet thermistor short circuit.

First step from the service manual

If temperature is greater than 120°F replace thermistor or review connection; if temperature less than or equal to 120°F clear fault.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What F02 means on a GE dryer

The F02 error code on a GE dryer indicates that the outlet thermistor has been detected in a short circuit condition. The outlet thermistor is a temperature-sensing resistor located at the exhaust outlet of the dryer drum. Its job is to continuously monitor the air temperature leaving the drum and send that data back to the control board. When the thermistor shorts internally, its resistance drops abnormally low, causing the control board to receive a signal that reads as an extreme or implausible temperature, triggering the F02 fault.

The diagnostic approach for F02 is temperature-dependent. If the actual dryer temperature at the time of the fault is greater than 120°F, the thermistor has likely failed and needs to be replaced, or there is a wiring connection issue at the thermistor harness. If the temperature is at or below 120°F when the fault appears, the fault may be transient and can simply be cleared without replacing any components. This two-path approach helps distinguish between a true component failure and a momentary electrical anomaly.

Common causes of a shorted thermistor include internal component degradation over time, heat damage to the sensor itself, or compromised wiring at the connector. Moisture intrusion near the thermistor or a pinched wire in the harness can also produce a short circuit reading. Because the outlet thermistor is directly in the airflow path, lint accumulation around the sensor can contribute to overheating and eventual sensor failure.

Source: manufacturer service documentation.

Common causes of F02

  1. 01

    Failed outlet thermistor

    Part replacement

    The thermistor itself has shorted internally due to age, heat damage, or wear. This is the most common cause when the dryer temperature exceeds 120°F at the time of the fault.

  2. 02

    Loose or corroded thermistor connector

    Wiring / connection

    A poor connection at the thermistor harness plug can create abnormal resistance readings that mimic a short. Inspect the connector for corrosion, bent pins, or a loose fit before replacing the sensor.

  3. 03

    Damaged wiring in the thermistor harness

    Wiring / connection

    A pinched, frayed, or heat-damaged wire between the thermistor and the control board can cause a short circuit reading. Trace the harness visually for any signs of insulation damage or contact with hot surfaces.

  4. 04

    Transient electrical fault

    Wiring / connection

    If the dryer temperature was at or below 120°F when F02 appeared, the fault may have been a momentary signal anomaly rather than a hardware failure. Clearing the fault and monitoring for recurrence is the recommended first action in this scenario.

  5. 05

    Lint buildup around the thermistor

    Wiring / connection

    Excessive lint accumulation near the outlet thermistor can cause localized overheating, which accelerates sensor degradation and can eventually lead to a short circuit condition.

See the test procedure for each cause

Frequently asked questions about F02

What does F02 mean on a GE dryer?
F02 on a GE dryer means the control board has detected a short circuit in the outlet thermistor, which is the temperature sensor at the exhaust end of the drum. The sensor is sending a signal that falls outside the expected range, indicating it may have failed internally or has a wiring issue. The appropriate response depends on whether the dryer was running hot when the code appeared.
Can I fix the F02 error myself?
In some cases, yes. If the dryer temperature was at or below 120°F when the fault appeared, you can simply clear the error code and resume use while monitoring for recurrence. If the dryer was hot and the fault persists, you will need to inspect the thermistor connector and wiring, or replace the thermistor itself, which is a repair many experienced DIYers can handle with basic tools.
Will resetting the dryer clear the F02 code?
Clearing the fault is only appropriate if the dryer temperature was at or below 120°F when the error occurred, as this may indicate a transient fault rather than a failed part. If the temperature was above 120°F, clearing the code without addressing the thermistor or wiring issue will likely result in the fault returning. Resolve the underlying cause before relying on a reset.
Is it safe to use my GE dryer when F02 is showing?
It is not recommended to continue running the dryer while F02 is active, particularly if the unit was hot when the code appeared. A faulty outlet thermistor means the control board cannot accurately monitor exhaust temperature, which reduces the dryer's ability to prevent overheating. Address the fault before resuming normal use.
How much does it cost to fix a GE dryer F02 error?
If only the outlet thermistor needs replacement, the part itself typically costs in the range of $15 to $40 depending on the specific model. If you hire a technician, total repair costs including labor generally fall in the range of $100 to $200. Wiring repairs can vary in cost depending on the extent of the damage found during diagnosis.

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