La Cornue Ranges & Cooktops Error Codes

E0

Induction or electronic cooktop zone displays E0 and will not heat

No Pan Detected or Incompatible Cookware

E1

Induction or electronic cooktop zone displays E1 and shuts down

Cooktop Overheat or Internal Temperature Sensor Fault

E2

Induction or electronic cooktop zone displays E2 and will not operate

Cooktop Glass Surface Overheat

E3

Induction or electronic cooktop zone displays E3 and shuts off shortly after being turned on

Supply Voltage Out of Range

E4

Induction or electronic cooktop zone displays E4 and is inoperative

Internal Communication or Configuration Error

Err

Cooktop or range display shows 'Err' when attempting to set temperature or timer

Invalid Input or Control Logic Error

F1

Electronic oven control beeps and displays F1, oven functions disabled or erratic temperature control

Electronic Oven Control (EOC) Keypad or Control Board Failure

F2

Oven displays F2 and may shut off during baking or broiling, often after preheat or long cooking cycles

Oven Over-Temperature or Stuck Relay on Control Board

F3

Oven will not heat properly and displays F3 shortly after starting a cycle

Oven Temperature Sensor Circuit Open

F4

Oven displays F4, may shut down or heat erratically, sometimes accompanied by rapid temperature swings

Oven Temperature Sensor Short Circuit

F5

Display shows F5 and oven functions are disabled or intermittent

Oven Door Lock or Door Switch Fault (Self-Clean Models)

F7

Control panel beeps continuously and displays F7, keys may appear to press themselves

Stuck or Shorted Keypad on Control Panel

F8

Oven displays F8, may shut down during high-temperature operation or self-clean

Cooling Fan or Overheat Protection Fault

F9

Display shows F9 and oven door may remain locked or refuse to lock for self-clean

Door Lock Circuit or Latch Position Error

LOC

Display shows 'LOC' or lock icon and oven or cooktop controls do not respond

Control Panel Child Lock / Safety Lock Engaged

PF

Display shows 'PF' or power failure message, clock resets, oven cancels cooking cycle

Power Interruption or Voltage Drop Detected

Symptom

Control knobs are very hot to the touch during oven use

Excessive Heat at Control Panel

Symptom

Control panel buttons do not respond or respond intermittently

Unresponsive Touchpad or Keypad

Symptom

Control panel or knobs show signs of melting or discoloration above oven door

Excessive Heat Escape from Oven Front

Symptom

Cooktop glass is cracked or shattered, but elements may still heat

Damaged Ceramic Glass Cooktop

Symptom

Digital clock or display is blank, but oven and burners may still work via manual controls

Display or Low-Voltage Power Supply Failure

Symptom

Electric oven will not heat on bake or broil; no glow from elements

Electric Oven Heating Failure

Symptom

Gas oven lights but temperature is too low or uneven; food undercooked or overcooked

Oven Temperature Regulation / Calibration Issue (Gas)

Symptom

Gas oven will not ignite; no flame and no heat, but control appears to function

Oven Ignition Failure (Gas)

Symptom

Gas surface burner ignites but flame is weak, yellow, or noisy

Improper Gas/Air Mixture or Supply Issue

Symptom

Gas surface burner will not ignite; clicking sound may or may not be present

Surface Burner Ignition Failure (Gas)

Symptom

Induction or electric cooktop zone does not heat, but display and other zones work

Single Cooking Zone Failure

Symptom

Oven convection fan does not run in convection mode; baking is uneven

Convection Fan Failure

Symptom

Oven door will not close fully or pops open slightly during operation

Door Hinge or Latch Misalignment

Symptom

Oven door will not unlock after self-clean cycle has completed and oven is cool

Stuck Self-Clean Door Lock

Symptom

Oven fan runs continuously even when oven is off and cool

Stuck Cooling Fan Relay or Faulty Temperature Sensor

Symptom

Oven interior light and fan come on, but oven does not heat in any mode

Main Power to Heating Circuit Lost

Symptom

Oven light does not work, but oven heats normally

Oven Cavity Lamp Failure

Symptom

Oven or cooktop produces excessive smoke or burning smell during normal cooking

Residue or Contamination Burning Off

Symptom

Oven takes excessively long to preheat or never reaches set temperature (electric or gas)

Extended Preheat / Underheating

Symptom

Range or cooktop trips the circuit breaker when oven or multiple burners are used

Electrical Overload or Short Circuit

Symptom

Range or cooktop vibrates, rattles, or makes metallic noises during oven fan or convection operation

Mechanical Vibration or Loose Components

Symptom

Strong gas smell around range, especially when burners or oven are off

Gas Leak at Connection or Valve