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Error code reference

GE Dryer Error Code E24

Control NTC short circuit

GE codesGE dryer codes

Control NTC short circuit — control thermistor or its wiring is shorted.

First step from the service manual

Remove wires from control thermistor. Measure resistance of thermistor. If reading is not 50K ohms (±10%), replace thermistor. If reading is within 50K ohms (±10%), check wiring between thermistor and electronic control. If good, replace electronic control.

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

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What E24 means on a GE dryer

The E24 error code on a GE dryer indicates a short circuit condition in the control NTC (Negative Temperature Coefficient) thermistor circuit. The control thermistor is a temperature-sensing component that changes its electrical resistance in response to heat. Under normal operating conditions, this thermistor should measure approximately 50,000 ohms (50K ohms) at room temperature. When the control detects a short circuit in this circuit, it means the resistance has dropped far below the expected range, signaling an abnormal electrical condition that prevents accurate temperature monitoring.

The control thermistor plays a critical role in regulating dryer operation by feeding real-time temperature data to the electronic control board. If the thermistor or its wiring shorts, the control board loses reliable temperature feedback, which can lead to unsafe or erratic drying cycles. A short circuit differs from an open circuit in that current is finding an unintended low-resistance path, rather than the circuit being broken entirely.

Common causes include a failed thermistor whose internal resistance has collapsed, wiring that has been pinched, melted, or worn through and is making contact with the dryer chassis or another conductor, or a faulty electronic control board that is incorrectly reading the circuit. Diagnosis follows a clear sequence: isolate the thermistor, measure its resistance, and work outward through the wiring toward the control board to identify where the fault originates.

Source: manufacturer service documentation.

Common causes of E24

  1. 01

    Failed control thermistor

    Part replacement

    The thermistor itself has internally short-circuited, causing its resistance to drop well outside the expected 50K ohm range. Disconnect the thermistor wires and measure resistance directly across the thermistor terminals. A reading significantly below 45K ohms confirms a failed component.

  2. 02

    Shorted or damaged thermistor wiring

    Wiring / connection

    The wires running between the thermistor and the electronic control board may be pinched, melted from heat exposure, or chafed against the dryer chassis, creating a short to ground or to another wire. Visually inspect the full wire harness run and check for bare conductors making unintended contact.

  3. 03

    Loose or corroded wiring connections

    Wiring / connection

    Connector terminals at either the thermistor end or the control board end may be corroded, backed out, or contaminated, creating an abnormal low-resistance path. Inspect connectors for moisture damage, oxidation, or terminal deformation.

  4. 04

    Faulty electronic control board

    Part replacement

    If the thermistor measures within the correct 50K ohm range and the wiring checks out with no visible damage, the electronic control board itself may be misreading the circuit due to an internal component failure on the board. This is diagnosed by exclusion after the thermistor and wiring are confirmed good.

See the test procedure for each cause

Frequently asked questions about E24

What does E24 mean on a GE dryer?
E24 on a GE dryer indicates a short circuit detected in the control NTC thermistor circuit. The control thermistor is a resistance-based temperature sensor, and it should read approximately 50K ohms at room temperature. When the dryer's electronic control detects a short in this circuit, it triggers E24 to signal that temperature monitoring is compromised. The fault can originate in the thermistor itself, the wiring harness, or the control board.
Can I fix the E24 error myself?
A knowledgeable DIYer can diagnose and often fix E24 by using a multimeter to measure the control thermistor's resistance after disconnecting its wires. If the reading falls outside 45K to 55K ohms, replacing the thermistor is a straightforward repair. If the thermistor tests good, inspecting and repairing the wiring harness is also manageable, but replacing the electronic control board requires more confidence working with appliance electronics.
Is it safe to run my GE dryer when E24 is displayed?
It is not recommended to continue running the dryer while E24 is active. The control thermistor provides temperature feedback that the electronic control uses to regulate heat levels. Operating the dryer without reliable temperature sensing could result in overheating or unpredictable cycle behavior. The dryer should be kept out of service until the fault is identified and repaired.
Will resetting the dryer clear the E24 error code?
A power reset may temporarily clear the E24 code from the display, but if the underlying short circuit condition still exists in the thermistor or its wiring, the code will return once the dryer runs through its diagnostic checks. Resetting alone does not fix the root cause and should not be used as a substitute for proper diagnosis and repair.
How much does it cost to repair a GE dryer E24 error?
Repair costs depend on the root cause. A replacement control thermistor is typically an inexpensive part, often in the range of $15 to $40. If the wiring harness needs repair, costs vary based on the extent of damage. An electronic control board is the most expensive possibility, generally ranging from $100 to $250 or more for the part alone. Adding professional labor will increase the total cost of any of these repairs.

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