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Error code reference

Admiral Washer Error Code F3E2

Inlet water temperature fault

Admiral codesAdmiral washer codes

Inlet water temperature fault – inlet thermistor detected to be open or shorted.

First step from the service manual

See TEST #5: Temperature Thermistor, page 16.

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

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What F3E2 means on a Admiral washer

The F3E2 error code on an Admiral washer indicates a fault with the inlet water temperature thermistor. The thermistor is a resistive temperature-sensing component located in the water inlet system that monitors the temperature of water entering the machine. The control board uses real-time resistance readings from this thermistor to regulate water temperature during wash cycles. When the board detects that the thermistor circuit is either open (broken circuit, infinite resistance) or shorted (zero or near-zero resistance), it triggers the F3E2 fault and halts normal operation.

An open thermistor condition typically results from a broken wire, a failed solder joint, or a thermistor element that has burned out or degraded. A shorted thermistor condition can result from a thermistor that has failed internally, moisture intrusion causing a short to ground, or damaged wiring that is contacting the machine chassis or another conductor. Both fault states produce readings outside the acceptable resistance range the control board expects, making it impossible for the washer to accurately manage water temperature.

Diagnosis should begin with TEST #5: Temperature Thermistor, referenced on page 16 of the technical documentation. This test procedure will walk through resistance measurements at the thermistor and along the wiring harness to isolate whether the fault originates at the sensor itself or in the connecting wiring. Technicians should check connector pins for corrosion or looseness before condemning the thermistor, as poor connections can mimic both open and shorted circuit conditions.

Source: manufacturer service documentation.

Common causes of F3E2

  1. 01

    Failed inlet thermistor

    Part replacement

    The thermistor itself has burned out or degraded internally, producing either an open or shorted resistance reading. This is the most common cause and requires replacing the temperature thermistor.

  2. 02

    Damaged or broken wiring harness

    Part replacement

    Wires connecting the thermistor to the control board can become pinched, chafed, or broken over time, creating an open circuit. Inspect the harness along its full length for visible damage or breaks.

  3. 03

    Loose or corroded connector pins

    Wiring / connection

    Connector terminals at the thermistor or at the control board can loosen or corrode, interrupting the circuit. Unplug and reseat the connectors and inspect pins for oxidation or deformation.

  4. 04

    Shorted wiring due to moisture intrusion

    Part replacement

    Water leaks inside the machine can cause wiring to short against the chassis or other conductors, triggering the shorted thermistor fault. Check for signs of moisture or water tracks along the wiring harness.

  5. 05

    Faulty control board

    Part replacement

    If the thermistor and all wiring check out within spec during TEST #5, the control board itself may have a failed input circuit that is misreading the thermistor signal. Control board replacement is typically a last resort after all other components are ruled out.

See the test procedure for each cause

Frequently asked questions about F3E2

What does F3E2 mean on a Admiral washer?
F3E2 on an Admiral washer indicates an inlet water temperature thermistor fault. The control board has detected that the thermistor circuit is either open or shorted, meaning it is receiving a resistance reading outside the normal operating range. The washer cannot accurately monitor incoming water temperature and will not run until the fault is resolved.
Can I fix the F3E2 error myself?
A knowledgeable DIYer can attempt to diagnose F3E2 by following the TEST #5: Temperature Thermistor procedure and inspecting the wiring harness and connectors for obvious damage or corrosion. If the thermistor itself has failed, replacing it is a straightforward repair for someone comfortable working with appliance wiring. If the fault traces back to the control board, professional repair is recommended.
Is it safe to use my Admiral washer with the F3E2 error showing?
It is not recommended to continue using the washer while F3E2 is active. Without a functioning temperature sensor, the control board cannot regulate water temperature properly, which could result in wash cycle errors or potential damage to fabrics. Most Admiral washers will also prevent normal operation while an active fault code is present.
How much does it cost to repair the F3E2 error on an Admiral washer?
Repair costs depend on the root cause. A replacement inlet thermistor typically costs in the range of $15 to $50 for the part alone. If professional labor is involved, total repair costs can range from $100 to $250 depending on the technician's rates and what components need replacement. Control board replacement, if required, is a more expensive repair.
Will resetting my Admiral washer clear the F3E2 error code?
A reset may temporarily clear the F3E2 code from the display, but if the underlying thermistor or wiring fault is still present, the code will return once the washer attempts to run a cycle and reads the faulty sensor again. A reset is not a fix and should only be used as part of the diagnostic process after repairs have been made.

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