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
- Turn off power at breaker or unplug oven for 30 seconds
- Restore power and check if F40 clears
- Ensure cooktop lockout feature is not engaged (per model instructions)
Technician Only Inspect wiring and control boards
- Disconnect power and access back of oven
- Inspect wiring harness between EOC and cooktop lockout control for loose/corroded connections
- Verify correct power supply connections at terminal block
- Replace cooktop lockout control board or electronic oven control if fault persists
Parts needed: Cooktop lockout control board, Electronic oven control (EOC), Wiring harness
- Error returns after power reset
- Visible damage to wiring or control boards
- User uncomfortable with electrical troubleshooting
Next step
Choose the next step for F40
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
- Typical part-only price
- $120 - $280
- DIY difficulty
- Medium
- Estimated time
- 20-40 mins
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.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
Model-compatible Oven parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Non-Scratch Cooktop Cleaner
A routine surface-care product. Confirm that it is approved for the specific glass, ceramic, enamel, or stainless finish.
Oven Thermometer
A diagnostic aid for comparing cavity temperature during a controlled check. It does not prove which internal component has failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
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: 2026-07-22
User Comments (0)
Share your experience or solution below.
Please login to post a comment.
Be the first to comment!