Whirlpool Dishwasher Error F3

⚡ Quick Answer: The Whirlpool Dishwasher error F3 indicates a water temperature sensor failure, often linked to issues with the heating element or thermistor. This er... ✅ DIY Fixable

What Does Error F3 Mean?

The Whirlpool Dishwasher error F3 indicates a water temperature sensor failure, often linked to issues with the heating element or thermistor. This error typically causes the dishwasher to fail to reach the proper water temperature during wash cycles and may result in unusual beeping sounds and a non-responsive display. If the error occurs shortly after starting a cycle or the dishwasher stops mid-cycle, it signifies a problem within the heating system that requires immediate attention.

Common Symptoms:

  • Dishwasher fails to reach proper water temperature during wash cycle
  • Error code F3 appears shortly after starting a cycle
  • Dishwasher stops mid‑cycle with F3 displayed

Possible Causes

  • Faulty thermistor or temperature sensor (medium)
  • Heating element failure or inability to heat water (medium)
  • Wiring or connection issues impacting the heating circuit (low)

How to Fix Error F3

DIY Fix Basic checks and reset

  1. Power off the dishwasher at the breaker for at least 5 minutes
  2. Ensure water inlet is proper and door is fully closed
  3. Restart dishwasher to see if F3 clears

Technician Only Test and replace thermistor and heating components

  1. Disconnect power to dishwasher.
  2. Access heating system and thermistor per model’s service manual.
  3. Use a multimeter to test thermistor and heating element for proper resistance.
  4. Replace defective parts as needed.
  5. Reassemble and test run a cycle.

Parts needed: Thermistor (temperature sensor), Heating element

🛑 When to Call a Pro:
  • Error persists after replacing thermistor/heating element
  • You find signs of electrical damage or control board faults

Technical Specifications

wattage N/A
component Water Temperature Sensor
resistance 10-30 ohms
part_number W10712395
voltage_rating 120V AC

Common Questions

What does F3 error mean on Whirlpool Dishwasher?

F3 error indicates a failure in the water temperature sensor, often linked to the heating element.

Can I fix Whirlpool Dishwasher F3 error myself?

Yes, you can perform basic checks like resetting the dishwasher or ensuring proper water inlet.

How much does it cost to fix F3 error?

Repair costs range from $40 to $150 for parts, plus $100 to $300 for professional labor.

When should I call a technician for F3?

Call a technician if the error persists after replacing components or if you see signs of electrical damage.

Sources & References

Data last verified: 2026-01-10

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