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Whirlpool Dishwasher Error Code F3E1

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: June 10, 2026
⚠ Medium Severity 🔧🔧 Moderate DIY

Thermistor failure — low resistance reading

The most common cause of the F3E1 error on a Whirlpool dishwasher is thermistor shorted (~70% of cases); start with: test thermistor.

💰 DIY cost: $15–$40 👨‍🔧 Pro cost: $150–$280 Save $135+ by doing it yourself
Whirlpool Dishwasher error code F3E1 on the display panel
How the F3E1 code appears on a Whirlpool dishwasher display

What Does Error Code F3E1 Mean on a Whirlpool Dishwasher?

Thermistor failure — low resistance reading.

F3E1 fires when the control board reads an abnormally low resistance from the NTC temperature sensor, indicating the thermistor has shorted or its wiring is pinched against ground. A healthy sensor reads roughly 6k ohms at room temperature; a near-zero reading trips the code. This differs from F3E2, which flags an open circuit (high or infinite resistance), and from F6E4 water-temperature faults. The board uses this reading to regulate heating and drying cycles.

Models affected: Whirlpool dishwashers using the F#E# diagnostic code format with an NTC thermistor near the heating element, including models such as WDF520PADM, WDT730PAHZ, WDTA50SAKZ, and WDF330PAHS
What owners report: Owners commonly report this code appearing mid-cycle or when the dishwasher fails to heat properly, and a shorted or moisture-intruded thermistor is the usual culprit. Occasionally a chafed or pinched wire near the heating element causes a false short, so inspect the harness before assuming the sensor itself has failed.

What Causes Error Code F3E1?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Thermistor shorted 70% of cases
  2. 2
    Wiring fault to thermistor 20% of cases
  3. 3
    Control board sensor circuit fault 10% of cases

How to Fix Whirlpool Dishwasher Error Code F3E1

🔧🔧 Moderate DIY Est. time: 30–60 min
⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Test thermistor

    Should read ~6k ohms at room temperature. Near 0 ohms = shorted.

    🔩 Multimeter
  2. 2

    Replace thermistor

    Simple replacement near heating element.

    🔩 Whirlpool dishwasher thermistor ($15–$40)

How to Reset Error Code F3E1

Press Cancel and let the 2-minute drain finish, then unplug the dishwasher (or flip the breaker) for 60 seconds. After replacing the thermistor, run a normal cycle to confirm F3E1 stays clear.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Full Whirlpool dishwasher reset guide → Enter diagnostic mode →

Did this guide fix your appliance?

When to Call a Professional

If new thermistor shows F3E1, control board thermistor input is shorted.

Average professional repair cost for this issue: $150–$280

Related Error Codes

F3E2
Thermistor failure — high resistance / open circuit
⚠ Medium Severity
F6E4
Wash heater or heating element failure
⚠ High Severity

Same Code on Other Brands

Error code F3E1 appears on these other brands too. See every brand that shows F3E1 →

Maytag logo
Maytag Washing Machine F3E1
Water level / pressure sensor fault
Maytag logo
Maytag Oven F3-E1
Oven temperature sensor short circuit

Find Replacement Parts

Use these links to find the exact replacement parts for your Whirlpool Dishwasher:

🔩
Search PartSelect
Whirlpool Dishwasher repair parts
🔧
Search RepairClinic
Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

More Whirlpool Dishwasher Error Codes

F9E1 Drain pump failure — dishwasher not draining F2E2 Keypad error — control panel not communicating F6E1 Water heating failure — not reaching target temperature F7E1 Circulation pump motor error CAL Calibration needed — sensor recalibration required F1E1 Control board / thermistor stuck — electronic control fault

Frequently Asked Questions

Can I keep using my Whirlpool Dishwasher when error F3E1 appears? +
You often can for a cycle or two, but the sensor issue behind F3E1 will keep interrupting normal operation until it is fixed. Plan the repair rather than ignoring the code.
What most commonly causes F3E1 on a Whirlpool Dishwasher? +
Across reported Whirlpool dishwasher repairs, the most frequent is thermistor shorted (70% of cases), wiring fault to thermistor (20%), then control board sensor circuit fault (10%). Check them in that order before replacing any parts.
F3E1 keeps coming back after a reset — what should I check next? +
A reset only clears the stored F3E1 fault; if it returns, the sensor problem is still present. Move on to the physical checks — test thermistor, then replace thermistor — since the code will reappear until the root cause is resolved. This is a moderate job — a multimeter and some disassembly are usually involved.
How much does it cost to fix Whirlpool Dishwasher error F3E1? +
A DIY repair typically runs $15–$40 in parts, versus $150–$280 for a professional service call, so handling it yourself saves around $135. Expect the work to take roughly 30–60 minutes.
Which Whirlpool Dishwasher models show error F3E1? +
F3E1 is documented on Whirlpool dishwashers using the F#E# diagnostic code format with an NTC thermistor near the heating element, including models such as WDF520PADM, WDT730PAHZ, WDTA50SAKZ, and WDF330PAHS. Other units sharing the same control platform can display it too, so the fixes here generally transfer across the series.

Sources & References

Content verified against manufacturer service documentation. Last verified: June 10, 2026.

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