Frigidaire Oven Error F40

⚡ Quick Answer: The Frigidaire oven error F40 indicates a cooktop lockout or a communication fault between the oven control system and the cooktop lockout control. Th... ✅ DIY Fixable

What Does Error F40 Mean?

The Frigidaire oven error F40 indicates a cooktop lockout or a communication fault between the oven control system and the cooktop lockout control. This malfunction can prevent the oven from starting, display error messages, or cause unexpected beeping and shutdowns. Addressing this issue may involve checking wiring connections and ensuring the cooktop lockout feature is disabled according to your model's instructions.

Common Symptoms:

  • Oven may not start
  • Error appears on display
  • Beeping or random shutdowns

Possible Causes

  • Cooktop lockout or miscommunication between control boards (medium)
  • Power supply or wiring issue at terminal block or miswired cord (low)

How to Fix Error F40

DIY Fix Reset power and check basic controls

  1. Turn off power at breaker or unplug oven for 30 seconds
  2. Restore power and check if F40 clears
  3. Ensure cooktop lockout feature is not engaged (per model instructions)

Technician Only Inspect wiring and control boards

  1. Disconnect power and access back of oven
  2. Inspect wiring harness between EOC and cooktop lockout control for loose/corroded connections
  3. Verify correct power supply connections at terminal block
  4. Replace cooktop lockout control board or electronic oven control if fault persists

Parts needed: Cooktop lockout control board, Electronic oven control (EOC), Wiring harness

🛑 When to Call a Pro:
  • Error returns after power reset
  • Visible damage to wiring or control boards
  • User uncomfortable with electrical troubleshooting

Technical Specifications

wattage N/A
component Temperature Sensor
resistance 1000-1100 ohms
part_number 316217002
voltage_rating 120V AC

Common Questions

What does F40 error mean on Frigidaire oven?

F40 indicates a cooktop lockout or communication issue, causing the oven not to start.

Can I fix Frigidaire oven F40 error myself?

Yes, you can try resetting the power and checking if the cooktop lockout is engaged.

How much does it cost to fix F40 error?

Repair costs range from $150 to $500+, depending on parts and labor.

When should I call a technician for F40?

Call a technician if the error returns after a reset or if you see damaged wiring.

Sources & References

Data last verified: 2026-02-19

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