Bauknecht Ovens Error Codes

F01

The oven will not heat; the display shows F01 shortly after a heating cycle is started.

Main Power Relay / Electronic Control Board Failure

F02

The oven does not heat correctly; the display shows F02. The fan may run, but the temperature does not rise properly.

Temperature Sensor (NTC) Circuit Fault

F03

The oven overheats or shuts down with an F03 error, sometimes accompanied by strong heat and the smell of hot metal.

Overtemperature Protection / Safety Thermostat Trip

F04

The display shows F04, and the oven does not start or stops shortly after starting, often related to grill or top heating.

Grill / Top Heating Element Circuit Fault

F05

Oven does not heat in conventional or fan mode, F05 is displayed, and the fan may still run.

Bottom Heating Element Circuit Fault

F06

Fan-assisted modes do not heat properly, F06 error appears, and the convection fan may run without heat.

Fan (Ring) Heating Element Circuit Fault

F07

The display shows F07, the oven does not start or shuts down, sometimes after a power surge or lightning.

User Interface / Display Board Communication Error

F08

The oven display shows F08; the oven may be completely dead or unresponsive to touch/knobs.

Low-Voltage Power Supply Failure on Control Board

F09

The oven beeps and shows F09, often when using pyrolytic self-cleaning or high-temperature modes.

Pyrolytic Door Lock / Latch Fault

F10

The oven shows F10 and does not start, often related to the door not being detected as closed.

Door Switch / Door Contact Fault

F11

The display shows F11; the oven may stop heating unexpectedly or not start, sometimes after long use.

Cooling Fan Circuit Fault

F12

The oven shows F12, often associated with steam or moisture; the display may fog up.

Humidity / Steam Sensor or Moisture Ingress Fault (where fitted)

F13

The oven shows F13; the timer and clock may malfunction, and some functions may be unavailable.

Clock / Timer Module Fault

F14

The oven shows F14; touch controls may be unresponsive or behave erratically.

Touch Control Panel / Keypad Fault

F15

Oven displays F15, the fan runs but there is no heat in any mode, or the oven shuts down shortly after starting.

Triac / Solid-State Relay Fault for Heating Circuits

F20

Oven displays F20, often immediately after switching on, with no heating.

NTC Sensor Short Circuit

F21

Oven displays F21, heating stops or does not start, sometimes after prolonged high-temperature use.

NTC Sensor Open Circuit

F22

Oven displays F22, temperature readings on the display are clearly incorrect (too high or too low).

Temperature Calibration / Sensor Range Error

F30

Oven displays F30, the fan may run continuously, and the oven may not heat.

Cavity Overheat Sensor / Thermal Fuse Fault

F40

Oven displays F40, often after a power outage or when the supply voltage is unstable.

Mains Voltage / Frequency Error

F50

Oven displays F50, the fan symbol may flash, and the convection fan does not run.

Convection Fan Motor Fault

F60

Oven displays F60, the grill or oven light may flicker, sometimes accompanied by buzzing from the control area.

Relay Sticking / Contact Error

Symptom

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

Insufficient Cooling / Door Seal or Vent Fault

Symptom

High‑pitched squealing or grinding noise when the oven fan runs.

Worn Fan Motor Bearings

Symptom

Oven cavity has visible water droplets or excessive condensation on the glass during and after cooking.

Condensation / Ventilation Issue

Symptom

Oven clock and settings reset every time power is switched off, or the time cannot be set correctly.

Clock / Memory Retention Issue

Symptom

Oven display and controls work, but when a program is started, nothing happens (no fan, no heat, no click).

Main Relay / Safety Chain Not Energizing

Symptom

Oven door does not seal properly; heat escapes around the edges, and the front panel gets very hot.

Door Gasket / Seal Failure

Symptom

Oven door glass is cracked, shattered, or loose, but the oven otherwise works.

Door Glass Panel Damage

Symptom

Oven door will not close fully or sits crooked, causing heat loss and poor cooking.

Door Hinge / Hinge Support Deformation

Symptom

Oven emits a strong burning smell or smoke during normal cooking (not first use or self‑clean).

Grease / Food Residue Ignition or Electrical Overheating

Symptom

Oven interior light does not work, but the oven heats and functions normally.

Lamp / Lamp Holder Failure

Symptom

Oven light works but display and controls are dead, oven will not turn on.

Control Electronics Power Loss

Symptom

Oven makes loud banging, rattling, or scraping noises during fan operation.

Fan Blade Imbalance / Foreign Object in Fan

Symptom

Oven overheats, burning food even at low temperature settings, no error code displayed.

Runaway Heating / Temperature Regulation Failure

Symptom

Oven selector knob is stiff, hard to turn, or does not click into positions properly.

Worn or Contaminated Function Selector Switch

Symptom

Oven trips the RCD (residual current device) only when a specific function (e.g., grill) is used.

Function‑Specific Earth Leakage

Symptom

Oven trips the household circuit breaker or RCD as soon as it is turned on or when heating starts.

Short Circuit / Earth Leakage in Heating Circuit

Symptom

Pyrolytic self-cleaning does not start; the door remains unlocked and the program aborts.

Pyrolytic System Not Engaging

Symptom

Temperature control knob turns but the temperature does not change or is erratic on mechanical models.

Faulty Mechanical Thermostat

Symptom

The oven does not heat at all in any mode, no error code is displayed, and the fan and light may still work.

Open Heating Circuit / Supply to Elements Lost

Symptom

The oven heats but does not reach the set temperature or takes excessively long to cook food.

Partial Heating / Weak Element Output

Symptom

Touch buttons respond intermittently or activate by themselves (ghost touches).

Capacitive Touch Panel Sensitivity / Interference