La Cornue Ovens Error Codes

F01

Oven will not heat in any mode; display and oven light work but temperature never rises.

Main Oven Heating Circuit Failure

F02

Oven overheats well beyond the set temperature; food burns quickly and may trigger smoke.

Oven Temperature Regulation Failure

F03

Oven does not reach set temperature; preheat takes excessively long or never completes.

Insufficient Heating / Underheating

F04

Oven display shows a temperature sensor error or shuts down shortly after starting a cycle.

Oven Temperature Sensor Circuit Fault

F05

Oven display is blank or frozen; buttons do not respond, but interior light may still work.

User Interface / Display Control Failure

F06

Oven beeps and shows a communication error; some functions may not work.

Communication Failure Between UI and Main Control

F07

Oven fan does not run in convection mode; convection icon may flash or error appears.

Convection Fan Motor Failure

F08

Cooling fan at the top of the oven does not run; control panel becomes very hot or oven shuts down mid-cycle.

Control Compartment Cooling Fan Failure

F09

Oven door remains locked after cycle completes or when oven is cool; lock icon may flash.

Door Lock Mechanism Failure

F10

Self-clean cycle will not start; display shows a lock or clean error.

Self-Clean System Fault

F11

Gas oven will not ignite; you hear clicking but no flame, or no clicking at all.

Gas Ignition Failure

F12

Electric oven trips the circuit breaker when heating is started.

Heating Circuit Short to Ground

F13

Broil function does not work; other modes heat normally.

Broil Element or Broil Circuit Failure

F14

Clock and timer work, but oven will not start any cooking cycle; pressing Start does nothing.

Start Circuit / Safety Interlock Fault

F15

Display shows an over-temperature or thermal cutout error; oven shuts off during use.

Thermal Safety Cutout Activation

F16

Oven interior light does not turn on when door is opened or when light button is pressed.

Oven Cavity Lighting Failure

F17

Timer and clock lose settings or reset randomly; oven may shut off unexpectedly.

Unstable Power or Control Memory Fault

F18

Touch controls are erratic or respond without being pressed; random beeping.

Capacitive Touch Panel Interference or Failure

F19

Steam-assisted or moist cooking function (if equipped) does not operate; no steam is produced.

Steam Generation System Failure

F20

Rotisserie function does not turn the spit; heating may still work.

Rotisserie Motor or Drive Failure

Symptom

Buzzing or humming noise from control area when oven is heating.

Transformer or Relay Vibration

Symptom

Control knobs on a La Cornue range oven are very stiff or difficult to turn.

Seized Valve or Thermostat Shaft

Symptom

Control panel or knobs become excessively hot to the touch during normal baking.

Insufficient Cooling or Door Seal Leak

Symptom

Food cooks unevenly; one side of the oven is hotter than the other.

Uneven Heat Distribution

Symptom

High-pitched squealing or grinding noise from the oven when convection fan is running.

Worn Convection Fan Motor Bearings

Symptom

Oven door does not close properly; heat escapes and cooking is uneven.

Door Alignment / Hinge Failure

Symptom

Oven door glass is fogging or condensation forms between glass panes during use.

Door Glass Seal Degradation

Symptom

Oven heats but temperature is inaccurate (too hot or too cold) without showing an error.

Oven Temperature Calibration Issue

Symptom

Oven interior surfaces show rust spots or enamel chipping.

Cavity Enamel Degradation

Symptom

Oven is not heating at all (no error code displayed); interior light and clock work.

No-Heat Condition Without Fault Code

Symptom

Oven light stays on continuously even when door is closed and light button is off.

Stuck Light Circuit or Door Switch Fault

Symptom

Oven makes loud banging or popping noises during heating or cooling.

Thermal Expansion Noise / Loose Components

Symptom

Oven produces excessive smoke during normal baking (not self-clean).

Excessive Smoke / Residue Burning

Symptom

Oven racks are difficult to slide or make scraping noises.

Rack Glide / Support Wear

Symptom

Oven shuts off by itself before the set time or temperature is reached, without an error code.

Intermittent Power Loss or Overheat Protection

Symptom

Oven takes excessively long to preheat; may never reach high temperatures.

Slow Preheat / Partial Heating

Symptom

Rotisserie spit wobbles or scrapes the cavity walls during rotation.

Rotisserie Support Misalignment

Symptom

Steam or moisture escapes heavily from the door or control panel area during cooking.

Door Seal or Venting Issue

Symptom

Strong gas smell when oven is operating or immediately after turning it off.

Gas Leak or Incomplete Combustion