Westinghouse Oven Error E18

What Does Error E18 Mean?

The Westinghouse Oven E18 error code signifies a potential malfunction with the temperature sensor. This issue often leads to erratic temperature readings, resulting in inconsistent cooking performance. If you encounter this error, it may disrupt your cooking experience, making it essential to address it promptly.

Possible Causes

• Temperature Sensor

How to Fix Error E18

DIY Fix Check official documentation and contact support

1. Locate your specific oven model number on the appliance.
2. Download the correct user manual from the Westinghouse website using your model number.
3. Check the troubleshooting section for any mention of error codes, including E18.
4. If the manual does not list E18, contact Westinghouse (Electrolux Customer Care in Australia) for official interpretation of the code.

Technician Only Diagnostic check by trained technician

1. Verify the exact model and control panel type on the Westinghouse oven.
2. Use service tools to read stored fault history if available.
3. Check wiring harnesses and sensors for continuity and integrity.
4. Perform internal diagnostics according to Westinghouse service procedures if available.

🛑 When to Call a Pro:

• If error persists after documentation lookup and basic reset attempts.
• If the oven displays other faults or malfunctions along with E18.

Next step

Choose the next step for E18

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Check during diagnosis

Most relevant component to inspect

Temperature Sensor

Monitors the internal temperature to ensure correct operation and prevent overheating.

Typical part-only price

$15 - $35

DIY difficulty

Easy

Estimated time

15-30 mins

Optional: enter your model number

Apply

Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

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Technical Specifications

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

Common Questions

What does E18 error mean on Westinghouse Oven?

E18 indicates a malfunction in the temperature sensor, leading to erratic temperature readings.

Can I fix Westinghouse Oven E18 error myself?

Yes, you can attempt basic troubleshooting by checking the user manual and following the guidance provided.

How much does it cost to fix E18 error?

Repair costs for the E18 error can vary based on your specific oven model and location.

When should I call a technician for E18?

Call a technician if the error persists after troubleshooting or if other faults appear alongside the E18 code.

Sources & References

• Westinghouse Australia Support — refer to manual for error codes (official)

Data last verified: 2026-07-22