White Westinghouse Oven Error F3

⚡ Quick Answer: The F3 error code on a White Westinghouse oven signifies a malfunction in the oven's temperature sensing circuit, typically due to an open or shorted ... ✅ DIY Fixable

What Does Error F3 Mean?

The F3 error code on a White Westinghouse oven signifies a malfunction in the oven's temperature sensing circuit, typically due to an open or shorted temperature sensor. This issue can lead to erratic temperature readings, inadequate heating, and uneven cooking results. If the error persists after a power reset, further investigation is needed to determine if the control board is also affected.

Common Symptoms:

  • Oven displays F3 and may not heat
  • Inaccurate temperature regulation or uneven cooking
  • Error persists after setting temperature

Possible Causes

  • Open or shorted oven temperature sensor (medium)

How to Fix Error F3

DIY Fix Power reset oven

  1. Disconnect oven power at the circuit breaker or unplug
  2. Wait 5–10 minutes
  3. Restore power and check if F3 clears

DIY Fix Inspect accessible components

  1. Ensure oven is off and cooled
  2. Visually inspect oven temperature sensor inside oven for damage
  3. Check visible wiring and connections for looseness or corrosion

Technician Only Test and replace oven temperature sensor

  1. Disconnect oven power
  2. Access and disconnect temperature sensor leads
  3. Measure sensor resistance with multimeter (compare to spec)
  4. Replace sensor if resistance indicates open/short
  5. Reassemble and test oven

Parts needed: oven temperature sensor (RTD)

🛑 When to Call a Pro:
  • If F3 error persists after sensor checks and reset
  • If control board may be at fault (diagnosis beyond basic sensor testing)

Technical Specifications

wattage
component Temperature Sensor
resistance 1,000 ohms at room temperature
part_number WB21X5301
voltage_rating 120V AC

Common Questions

What does F3 error mean on white westinghouse oven?

F3 indicates a malfunction in the temperature sensor, causing inaccurate temperature readings and heating problems.

Can I fix white westinghouse oven F3 error myself?

Yes, you can reset the oven's power or inspect the temperature sensor and connections for visible damage.

How much does it cost to fix F3 error?

The estimated cost to replace the oven temperature sensor is between $20 and $120 for parts only.

When should I call a technician for F3?

Call a technician if the F3 error persists after your checks or if you suspect the control board may be faulty.

Sources & References

Data last verified: 2026-04-23

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