Complete Oven Error Codes Guide 2026

Oven error codes are alphanumeric displays on your oven’s control panel that indicate specific malfunctions, from temperature sensor failures to control board issues. When your oven detects a problem, its electronic control board triggers a specific error code that corresponds to the malfunctioning component or system. Understanding these fault codes helps you quickly diagnose problems, determine if DIY repair is possible, and avoid unnecessary service calls.

Our team has compiled this comprehensive guide after analyzing thousands of repair cases and manufacturer documentation. Whether your oven is showing F2, F9, LOC, or any other code, this guide will help you understand what it means and how to fix it.

Looking for more repair guides? We have additional troubleshooting resources for all your appliance needs.

Quick Reference: Common Oven Error Codes by Category

Most modern ovens use a standardized F-code system to communicate problems. Here’s a quick reference table organized by error type:

Error Code	Category	Meaning	Common Fix
F2	Temperature	Oven overheating	Test sensor, check cooling fan
F3	Temperature	Open temperature sensor	Replace sensor ($30-50)
F4	Temperature	Shorted temperature sensor	Replace sensor ($30-50)
F10	Temperature	Runaway temperature	Sensor or relay issue
F0, F1	Control	Stuck/defective button	Clean or replace keypad
F5, F7	Control	Keypanel/EEPROM error	Replace control board
F8	Control	Component failure	Control board repair
F9	Door Lock	Door lock circuit	Check latch assembly
FC	Door Lock	Door lock failure	Replace door lock motor
LOC	Door Lock	Door is locked	Press and hold Cancel
PF	Power	Power failure	Reset clock, check breaker
Bad Line	Power	Voltage issue	Electrician required

Temperature Sensor Error Codes (F2, F3, F4, F10)

Temperature sensor errors are the most common oven fault codes homeowners encounter. These codes indicate problems with the thermistor that monitors your oven’s internal temperature.

F2 Error: Oven Overheating

An F2 error indicates your oven has exceeded safe temperature limits. This triggers as a safety measure when the internal temperature climbs above 590°F to 615°F depending on your model.

The overheating usually stems from a faulty temperature sensor sending incorrect readings to the control board. Less commonly, a stuck relay on the control board keeps heating elements energized even when they should turn off.

First, disconnect power and let the oven cool completely. Once cool, test the temperature sensor resistance with an ohmmeter. At room temperature (70-72°F), a good sensor reads between 1000 and 1100 ohms. Readings significantly outside this range indicate sensor failure.

F3 and F4 Errors: Temperature Sensor Circuit Problems

An F3 error means the control board detects an open circuit in the temperature sensor. The sensor or its wiring has broken, creating a gap in the electrical path.

An F4 error indicates a shorted sensor circuit. The wiring or sensor components are touching metal or each other, creating an unintended electrical path.

Both conditions require sensor replacement in most cases. A new oven temperature sensor costs $30-50 and takes about 15 minutes to install on most models. You’ll find the sensor protruding from the upper back wall of the oven interior.

F10 Error: Runaway Temperature

The F10 code signals a runaway temperature condition where the oven continues heating uncontrollably. This represents one of the most serious error codes due to fire risk.

Disconnect power immediately when you see F10. Do not attempt to use the oven until repaired. The issue typically requires either sensor replacement or control board repair depending on which component failed.

Control Board and Keypad Error Codes (F0, F1, F5, F7, F8)

Control board errors involve the Electronic Range Control (ERC) or the keypad/touchpad interface. These codes often frustrate homeowners because the oven may seem to work intermittently while displaying errors.

F0 and F1 Errors: Stuck or Defective Buttons

F0 and F1 codes indicate the control board detects a stuck or continuously pressed button on the keypad. Food debris, moisture, or wear can cause buttons to stick in the closed position.

Start by cleaning the keypad surface with a slightly damp cloth. Unplug the oven for 60 seconds to reset the control board. If the error returns after power restoration, the keypad likely needs replacement.

Keypad replacement costs $80-150 for the part plus installation time. Some models combine the keypad and control board as one unit, requiring the entire assembly replacement at $200-400.

F5 and F7 Errors: EEPROM and Hardware Failures

An F5 error indicates a hardware watchdog error in the control board. The board’s self-monitoring circuit detected an internal failure. This usually requires complete control board replacement.

An F7 error means the function key is stuck or the EEPROM (memory chip) has failed. Try the ribbon connector cleaning procedure before replacing components.

Remove the control panel to access the ribbon connector between the keypad and control board. Clean the connector contacts with a pencil eraser to remove corrosion. Reconnect firmly and test before ordering parts.

F8 Error: Component Failure

The F8 code indicates a component failure within the control board circuitry. Individual relays or processing components have failed. Control board replacement typically costs $200-400 for parts alone.

Door Lock Error Codes (F9, FC, LOC, Unlock)

Door lock errors typically appear during or after the self-clean cycle when temperatures reach 800-900°F. The door must remain locked during this process for safety.

F9 Error: Door Lock Circuit Problem

An F9 error indicates a problem in the door lock circuit. The control board cannot verify the door lock status. This commonly occurs after a self-clean cycle when the latch mechanism fails to return to the open position.

First, try the manual door unlock procedure. Many ovens have a lever or switch behind the control panel for manual release. Check your owner’s manual for the specific location on your model.

If manual release fails, the door lock motor or switch assembly likely needs replacement. The door lock assembly costs $60-120 depending on your oven brand and model.

FC Error: Door Lock Failure

The FC code specifically indicates the door lock motor or mechanism has failed. The control board sent the lock command but received no confirmation.

Listen when you start a self-clean cycle. You should hear the door lock motor attempt to engage. Silence indicates motor failure. Clicking without movement suggests mechanical binding in the latch mechanism.

LOC and Unlock Codes

LOC simply indicates the door is currently locked, not necessarily an error. This appears during self-clean cycles and clears automatically once temperatures drop to safe levels.

If LOC persists after cooling, press and hold the Cancel or Clear button for 3-5 seconds. Some models require holding the Lock button until you hear a beep.

The Unlock code indicates the control board cannot lock the door when commanded. This prevents self-clean operation and requires latch assembly service.

Power Failure and Miscellaneous Codes (PF, Bad Line)

Power-related codes indicate electrical supply problems rather than component failures. These often resolve with simple reset procedures.

PF Error: Power Failure

The PF code appears after a power outage or voltage fluctuation. Your oven lost power and needs the clock reset. Press Cancel to clear the display, then reset the clock.

Recurring PF errors without actual outages indicate loose electrical connections. Check the terminal block where the power cord connects to the oven. Loose connections cause intermittent power loss and potential fire hazards.

Bad Line Error: Voltage Problem

A Bad Line error indicates improper voltage supply. Your oven requires 240V but is receiving incorrect voltage. This requires a qualified electrician to diagnose your home’s electrical supply.

Do not attempt to clear this error repeatedly. Operating on incorrect voltage damages the control board and creates safety risks.

How to Reset and Clear Oven Error Codes

Resetting oven error codes follows a standard procedure that works for approximately 40% of temporary faults. Here’s the step-by-step process our team recommends:

Step 1: Basic Power Cycle (30-60 Seconds)

Press Cancel to attempt clearing the display. If the code persists, unplug the oven from the wall outlet. Wait 30-60 seconds for the control board capacitors to discharge completely. Plug the oven back in and observe the display.

This power cycle clears temporary software glitches and resets the control board memory. Many F0, F1, and PF errors resolve with this simple procedure.

Step 2: Circuit Breaker Reset

If unplugging proves difficult due to oven positioning, use the circuit breaker. Locate your oven’s dedicated 240V breaker in the electrical panel. Turn it fully off, wait 60 seconds, then turn it back on.

Verify the breaker stays in the ON position. Breakers that trip immediately indicate electrical shorts requiring professional diagnosis.

Step 3: Hard Reset Procedure

Some ovens require a hard reset for persistent errors. Unplug the oven or turn off the breaker. Wait 5 minutes for complete discharge. Restore power while holding a specific button combination.

On many Whirlpool and KitchenAid models, hold the Start button while restoring power. For GE models, try holding the Bake and Broil buttons simultaneously during power restoration.

Brand-Specific Error Code Variations

While F-codes follow general patterns across brands, each manufacturer implements unique variations. Understanding your specific brand helps with accurate diagnosis.

GE Oven Error Codes

GE uses the broadest range of F-codes with specific meanings. GE Profile models like the PB911SJ2SS commonly display F51 for cooling fan failures. GE wall ovens frequently show F96 for door communication errors.

GE ovens also display ERR for invalid button presses and OFF when the oven cavity exceeds 645°F. Sabbath Mode appears as SAb or SAbb depending on your model year.

Whirlpool and KitchenAid Error Codes

Whirlpool ovens often display F6E1 or F2E1 for stuck keys. KitchenAid wall ovens are particularly susceptible to error codes from steam and condensation during cooking.

Many Whirlpool models use E-series codes alongside F-codes. E1F1 indicates a control board EEPROM error while E1F2 signals a keypad mismatch.

Frigidaire and Electrolux Codes

Frigidaire ovens commonly display F10 for runaway temperature and F30 for door lock failures. Electrolux models use E-series codes exclusively, with E11 indicating a temperature sensor short and E15 signaling a door lock error.

Samsung and LG Error Codes

Samsung ranges display -dE- or -dC- for door errors and -SE- for sensor problems. LG uses E-series codes with E-02 for temperature sensor failures and E-07 for door lock issues.

Both brands offer smart diagnostics through WiFi-connected apps. The SmartThings app (Samsung) and ThinQ app (LG) can read additional diagnostic codes not displayed on the oven panel.

DIY Troubleshooting and Repair Guide

Deciding between DIY repair and professional service requires honest assessment of your skills and the problem complexity. Our troubleshooting guide approach applies here too.

Safety Precautions First

Always disconnect power before attempting any oven repair. Ovens operate at 240V which can cause serious injury or death. Use a non-contact voltage tester to verify circuits are dead before touching components.

Wear insulated gloves and safety glasses when working inside the oven. The sheet metal edges are sharp. Allow the oven to cool completely before servicing to avoid burns.

Testing the Temperature Sensor

Locate the temperature sensor inside the oven cavity. It protrudes from the upper back wall as a short metal rod with two wires. Remove the mounting screws and gently pull it out to access the connector.

Set your ohmmeter to the 2000 ohm range. Touch the probes to the sensor terminals. At 70-72°F room temperature, you should read approximately 1000-1100 ohms. Readings near zero indicate a short. Infinite or OL readings indicate an open circuit.

Check the wire harness continuity if the sensor tests good. The problem may be in the wiring between the sensor and control board rather than the sensor itself.

When DIY Makes Sense

Temperature sensor replacement ($30-50 part) ranks as the most DIY-friendly oven repair. Door lock assembly replacement ($60-120) requires moderate skill. Control board replacement ($200-400) is advanced due to multiple wire connections.

Simple cleaning procedures for stuck buttons and ribbon connectors require no parts and minimal time. Always try these first before ordering components.

When to Call a Professional

Call a professional technician for Bad Line errors, recurring F10 runaway temperature codes, or any issue involving the gas valve on dual-fuel ranges. Control board programming and calibration also require specialized tools.

Professional diagnosis typically costs $80-150. Complete repairs including parts and labor range from $200 for simple sensor replacement to $600+ for control board failures. Consider replacement if your oven exceeds 10 years and requires repairs exceeding $400.

Frequently Asked Questions

Final Thoughts

Oven error codes provide valuable diagnostic information that saves time and money when properly understood. Most codes fall into predictable categories: temperature sensors (F2, F3, F4), control boards (F0, F1, F5), door locks (F9, FC), and power issues (PF). Start with the simple 30-60 second power cycle reset before attempting complex repairs.

DIY repair makes sense for temperature sensor replacement and basic cleaning procedures. Professional service becomes necessary for control board failures, gas valve issues, and complex electrical problems. Consider replacement rather than repair if your oven exceeds 10 years and faces major component failures.

If you’re considering a new oven rather than repair, explore our guides to the best double wall ovens and convection ovens to find reliable models with fewer error code issues. Understanding oven error codes empowers you to make informed decisions about repair versus replacement while keeping your kitchen running smoothly.