Westinghouse Oven Error E12

⚡ Quick Answer: The Westinghouse Oven error code E12 suggests a malfunction related to the temperature sensor, which can result in inconsistent temperature readings a... ⚠️ Difficulty Varies

What Does Error E12 Mean?

The Westinghouse Oven error code E12 suggests a malfunction related to the temperature sensor, which can result in inconsistent temperature readings and improper heating. If this error occurs, it may indicate that the temperature sensor needs attention or replacement to restore the oven's functionality.

Possible Causes

  • Temperature Sensor

How to Fix Error E12

DIY Fix Basic checks due to lack of code‑specific info

  1. Power cycle the oven: turn off at the mains/power circuit breaker for a few minutes, then restore power
  2. Check the oven display and controls for a reset or clear option
  3. Ensure the oven door is fully closed and latched when powering on

Technician Only Diagnostics when E12 appears

  1. Check for stored fault history using a service diagnostic mode (if available for the specific model)
  2. Inspect control board and wiring harness for visible damage or loose connections
  3. Use a multimeter to check key sensors (e.g., temperature sensor) and door/latch circuits
  4. Refer to model‑specific service manual if available to interpret E12
  5. Replace/repair faulty component only after confirming with model documentation

Parts needed: multimeter, control board diagnostic tool, replacement sensors/boards as indicated by diagnostics

🛑 When to Call a Pro:
  • If the error persists after basic power cycling and checks
  • If there are signs of electrical damage (burn marks, smoke smell)
  • If the oven fails to operate safely (doors not latching, heating incorrectly)

Technical Specifications

wattage
component Temperature Sensor
resistance 1000-1100 ohms
part_number WB21X5301
voltage_rating 120V AC

Common Questions

What does E12 error mean on Westinghouse Oven?

E12 indicates a possible malfunction with the temperature sensor, leading to erratic heating.

Can I fix Westinghouse Oven E12 error myself?

Yes, try power cycling the oven and checking for any display reset options.

How much does it cost to fix E12 error?

Repair costs for the E12 error can range from $100 to $600+, depending on parts and labor.

When should I call a technician for E12?

Call a technician if the error persists after basic checks, or if you notice signs of electrical damage.

Data last verified: 2026-03-09

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