Westinghouse Oven Error F5

⚡ Quick Answer: The Westinghouse Oven error F5 indicates a failure in the electronic oven control (EOC) or its related circuits. This malfunction often leads to errat... ✅ DIY Fixable

What Does Error F5 Mean?

The Westinghouse Oven error F5 indicates a failure in the electronic oven control (EOC) or its related circuits. This malfunction often leads to erratic temperature readings, unresponsive controls, and heating elements that do not activate. If you see the F5 error on your oven display, it's crucial to address it promptly to restore proper functionality.

Common Symptoms:

  • Oven display shows "F5" error
  • Oven functions may be unresponsive or locked out
  • Heating elements not activated due to control fault

Possible Causes

  • Faulty electronic oven control / control board (medium)

How to Fix Error F5

DIY Fix Power cycle and basic checks

  1. Disconnect power to the oven by switching off its circuit breaker or unplugging for at least 1–2 minutes.
  2. Restore power and check if the F5 error returns.

Technician Only Inspect and replace electronic oven control board

  1. Verify proper line voltage to the electronic oven control per the oven’s wiring diagram.
  2. Inspect wiring harnesses and connectors at the control board for damage, burns, or loose connections.
  3. If diagnostics indicate a defective control board, replace the Electronic Oven Control (EOC) board.

Parts needed: Electronic Oven Control (EOC) / control board, Associated wiring harness/connectors

🛑 When to Call a Pro:
  • If after power cycling and basic checks the F5 persists
  • If internal inspection reveals burnt components or wiring damage
  • If the oven remains unresponsive to controls

Technical Specifications

wattage N/A
component Temperature Sensor
resistance 10k ohms at 25°C
part_number WB21X5301
voltage_rating 120V AC

Common Questions

What does F5 error mean on Westinghouse Oven?

The F5 error means there's a malfunction in the electronic oven control, causing erratic temperature readings and unresponsive functions.

Can I fix Westinghouse Oven F5 error myself?

Yes, you can try power cycling the oven by disconnecting power for 1-2 minutes to see if the error clears.

How much does it cost to fix F5 error?

The estimated cost to fix the F5 error ranges from $150 to $450, including parts and labor.

When should I call a technician for F5?

Call a technician if the F5 error persists after power cycling, if you notice burnt components, or if the oven remains unresponsive.

Sources & References

Data last verified: 2026-07-07

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