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Error code reference

Whirlpool Dryer Error Code F3E5

Indicates that the compressor and outlet thermistors are open

Whirlpool codesWhirlpool dryer codes

Indicates that the compressor and outlet thermistors are open. Will occur if the P14 connector is not plugged into the CCU.

First step from the service manual

Check that P14 connector is plugged into the CCU.

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

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What F3E5 means on a Whirlpool dryer

F3E5 on a Whirlpool dryer indicates the CCU (Central Control Unit) has detected both the inlet thermistor and the exhaust thermistor are open-circuit simultaneously. A single thermistor failure is common, but both reading open at the same time almost always points to a shared electrical issue rather than two independent component failures. The most frequent trigger is the P14 connector not being seated into the CCU, since this connector carries the thermistor signal wires and its absence breaks both circuits at once.

In plain terms, your dryer has two temperature sensors: one near the air inlet and one near the exhaust. These sensors tell the control board how hot the air is at each stage of the drying cycle. When both sensors stop sending any signal, the control board throws F3E5 and shuts down to prevent overheating or fire. The good news is this error often has a simple cause, specifically a loose or disconnected wiring connector at the control board rather than two failed sensors.

Before replacing any parts, physically inspect the P14 connector at the CCU. If the connector is fully seated and the error persists, the wiring harness between the connector and the thermistors or the thermistors themselves need to be tested with a multimeter.

Source: manufacturer service documentation.

Common causes of F3E5

  1. 01

    P14 connector not plugged into the CCU

    Wiring / connection

    If the P14 connector is unseated or partially disconnected from the Central Control Unit, both thermistor circuits are broken simultaneously, triggering F3E5. This is the first thing to check and requires no parts to fix.

  2. 02

    Damaged or broken wiring harness to thermistors

    Part replacement

    A broken, pinched, or burned wire in the harness running from the P14 connector to either or both thermistors can interrupt both circuits at once, especially if the damage occurs on a shared ground or supply wire.

  3. 03

    Failed inlet thermistor

    Part replacement

    The inlet thermistor itself can fail open, and if the exhaust thermistor circuit is also weak or marginal, both can read open together. Testing each thermistor with a multimeter will confirm whether one or both components have failed.

  4. 04

    Failed exhaust thermistor

    Part replacement

    The exhaust thermistor can fail open independently, and in combination with a degraded inlet thermistor or a wiring issue, can produce the F3E5 dual-open reading. Replace only after confirming resistance readings are outside the specified range.

See the test procedure for each cause

Frequently asked questions about F3E5

What does F3E5 mean on a Whirlpool dryer?
F3E5 means the CCU has detected that both the inlet thermistor and the exhaust thermistor are open-circuit at the same time. Because two sensors rarely fail simultaneously, this code most often means the P14 connector is not plugged into the CCU rather than two separate sensor failures. Check the connector first before ordering any parts.
How do I fix F3E5 on a Whirlpool dryer?
Start by unplugging the dryer and locating the P14 connector on the CCU inside the control housing. If it is loose or disconnected, reseat it firmly, restore power, and check whether the code clears. If the connector is properly seated, use a multimeter to test the resistance of both the inlet and exhaust thermistors. A reading of OL (open line) on either thermistor confirms it has failed and needs replacement. Also inspect the wiring harness between the connector and the thermistors for visible damage.
Is it safe to use my Whirlpool dryer with an F3E5 error code?
No, you should not run the dryer while F3E5 is active. Both temperature sensors are reporting no signal, which means the control board cannot monitor heat levels during the cycle. Running the dryer without functional thermistors creates a risk of overheating and potential fire. Resolve the error before using the appliance.
How much does it cost to fix a Whirlpool dryer F3E5 error?
If the cause is a disconnected P14 connector, the fix costs nothing beyond your time. A replacement thermistor, if one or both have failed, typically costs between $10 and $30 per sensor for the part. If you hire a technician, expect a service call fee of $75 to $150 plus labor, though the diagnostic and repair are usually completed in a single visit since access to the thermistors is not complex on most Whirlpool dryer models.
Can a loose connector really cause both thermistors to fail at the same time on a Whirlpool dryer?
Yes, and this is specifically called out in Whirlpool's own diagnostic documentation for F3E5. The P14 connector at the CCU carries the wiring for both thermistor circuits, so if it is not plugged in, the control board sees both circuits as open even though the thermistors themselves are perfectly functional. Always check the connector before condemning either sensor.

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