ApplianceErrors.com

Frigidaire Oven Error Code F12

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: June 10, 2026
⚠ High Severity 🔧🔧🔧 Advanced DIY

Electronic control identification / ROM fault

F12 is a micro-identification (ROM) fault: the control system cannot correctly identify or validate one of its electronic control components, often a board-to-board mismatch or a corrupted ROM read. A power glitch can sometimes set a stored F12 that a reset will clear.

💰 DIY cost: $100–$280 👨‍🔧 Pro cost: $200–$480 Save $100+ by doing it yourself
Frigidaire Oven error code F12 on the display panel
How the F12 code appears on a Frigidaire oven display

What Does Error Code F12 Mean on a Frigidaire Oven?

Electronic control identification / ROM fault.

F12 is a micro-identification (ROM) fault: the control system cannot correctly identify or validate one of its electronic control components, often a board-to-board mismatch or a corrupted ROM read. A power glitch can sometimes set a stored F12 that a reset will clear.

What Causes Error Code F12?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    ROM/identification read error on the control 50% of cases
  2. 2
    Mismatched or wrong replacement control/UI board 25% of cases
  3. 3
    Ribbon/wiring fault between control and UI boards 15% of cases
  4. 4
    Power surge corrupting the control 10% of cases

How to Fix Frigidaire Oven Error Code F12

🔧🔧🔧 Advanced DIY Est. time: 1–3 hours
⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Power cycle

    Turn off the circuit breaker for 5–15 minutes, then restore power. A transient F12 from a power glitch clears with a reset.

  2. 2

    Verify board compatibility

    If a board was recently replaced, confirm the control and user interface boards are the correct part numbers for the model.

  3. 3

    Reseat the board ribbons

    Check the ribbon/connectors between the EOC and the user interface board for a loose or partial seat.

    ⚠️ Unplug the range before accessing internal components.
  4. 4

    Replace the control board

    If F12 returns after a reset with correct, well-seated boards, replace the EOC/control board.

    🔩 Frigidaire oven ERC board ($100–$280)
    ⚠️ Photograph all wiring before disconnecting.

How to Reset Error Code F12

Turn off the breaker 5–15 minutes. If F12 returns after reset, verify board compatibility, then replace the control.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Did this guide fix your appliance?

When to Call a Professional

If F12 persists after a reset with confirmed-correct boards and good ribbons, the EOC/control board has failed.

Average professional repair cost for this issue: $200–$480

Related Error Codes

F13
Control board internal checksum error
⚠ High Severity
F14
EEPROM error — control board memory fault
⚠ High Severity

Same Code on Other Brands

Error code F12 appears on these other brands too. See every brand that shows F12 →

Miele logo
Miele Dishwasher F12
Water intake fault at the start of a step

Find Replacement Parts

Use these links to find the exact replacement parts for your Frigidaire Oven:

🔩
Search PartSelect
Frigidaire Oven repair parts
🔧
Search RepairClinic
Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

More Frigidaire Oven Error Codes

F10 Runaway temperature — oven overheating F30 Oven temperature probe failure — open circuit F11 Shorted key — button stuck or shorted F31 Oven temperature probe short circuit F90 Door latch failure — lock motor did not reach locked position F91 Door latch failure — lock motor did not reach unlocked position

Frequently Asked Questions

What does error code F12 mean on a Frigidaire Oven? +
Electronic control identification / ROM fault
How do I fix error code F12 on my Frigidaire Oven? +
Start by Turn off the circuit breaker for 5–15 minutes, then restore power. A transient F12 from a power glitch clears with a reset.. If that doesn't resolve it, work through each step in the fix guide above.
How do I clear or reset error code F12? +
Turn off the breaker 5–15 minutes. If F12 returns after reset, verify board compatibility, then replace the control.
Is error code F12 serious? +
This is a high-severity error. You should address it soon. Running the appliance may cause further damage.

Sources & References

Content verified against manufacturer service documentation. Last verified: June 10, 2026.

← All Frigidaire Oven Error Codes ← All Frigidaire Error Codes