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Error code reference

Maytag Dryer Error Code F10

Upper thermistor circuit failure (stack dryer)

Maytag codesMaytag dryer codes

Upper thermistor circuit failure (stack dryer)

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What F10 means on a Maytag dryer

The F10 error code on a Maytag stack dryer indicates a failure in the upper thermistor circuit. The thermistor is a temperature-sensing resistor that continuously monitors the air temperature inside the dryer drum. In a stack dryer configuration, there are separate thermistors for the upper and lower units, and the F10 code specifically flags a problem with the upper unit's sensor circuit. The control board monitors the thermistor's resistance, which changes predictably with temperature. When the board detects a resistance reading that falls outside the expected range, either too high (open circuit) or too low (short circuit), it triggers the F10 fault.

The most common causes of this code are a failed thermistor, damaged wiring in the thermistor circuit, or a poor connector connection between the thermistor and the control board. Thermistors can fail due to age, heat exposure, or moisture. Wiring harnesses in dryers are subject to heat cycling and vibration, which can cause wire insulation to crack or connectors to corrode or loosen over time.

Because the thermistor is a critical safety and performance component, the dryer will typically halt operation when this fault is active to prevent overheating or improper drying cycles. Diagnosing the fault requires checking the resistance of the thermistor itself and inspecting the full circuit path from the sensor to the control board, including all connectors and wiring segments in between.

Source: manufacturer service documentation.

Common causes of F10

  1. 01

    Failed upper thermistor

    Part replacement

    The thermistor itself has failed, producing a resistance value that is either shorted or open and outside the range the control board expects. Testing the thermistor with a multimeter will confirm if it needs replacement.

  2. 02

    Loose or corroded thermistor connector

    Wiring / connection

    The connector joining the thermistor to the wiring harness can loosen or corrode over time, interrupting the circuit. Inspecting and reseating the connector may resolve the fault without replacing any parts.

  3. 03

    Damaged wiring in the thermistor circuit

    Part replacement

    Heat cycling and vibration can crack wire insulation or break conductors in the harness segment running to the upper thermistor. A visual inspection and continuity test of the wiring will identify any breaks or shorts.

  4. 04

    Faulty control board

    Part replacement

    If the thermistor and all wiring test within normal specifications, the control board itself may have failed and is incorrectly interpreting or reading the thermistor signal. This is a less common cause but should be considered after ruling out the sensor and wiring.

See the test procedure for each cause

Frequently asked questions about F10

What does F10 mean on a Maytag dryer?
F10 on a Maytag stack dryer indicates a failure in the upper thermistor circuit. The thermistor is a temperature-sensing component that the control board uses to monitor drum air temperature. When the board detects a resistance reading outside the acceptable range, it shuts down the dryer and displays F10 to prevent unsafe operation.
Can I fix an F10 error on my Maytag dryer myself?
A knowledgeable DIYer comfortable with appliance repair can inspect the thermistor wiring and connectors for obvious damage and reseat loose connections. Testing the thermistor itself requires a multimeter to check its resistance. If the thermistor has failed, replacing it is a straightforward repair, but if the control board is the cause, that repair is more complex and may be better suited to a technician.
Is it safe to use my Maytag dryer with an F10 error code?
No, you should not continue operating the dryer while F10 is active. The upper thermistor is a key safety component that prevents the dryer from overheating. Without accurate temperature data, the dryer cannot regulate heat properly, which could create a fire hazard or damage clothing and internal components.
How much does it cost to repair an F10 error on a Maytag dryer?
Repair costs depend on the root cause. A replacement thermistor is generally an inexpensive part, typically in the range of $10 to $35, and the repair labor is minimal if you do it yourself. If a control board replacement is needed, parts and professional labor combined could range from $150 to $350 or more depending on your location and the specific model.
Will resetting my Maytag dryer clear the F10 error code?
A power reset may temporarily clear the F10 code, but if the underlying fault in the thermistor circuit still exists, the code will return once the dryer attempts to run. Resetting the unit does not fix the hardware problem. The thermistor circuit needs to be diagnosed and repaired before the error will stay clear permanently.

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