Bomann Ovens Error Codes

E0

Oven display shows E0 and oven will not start any heating program

Temperature Sensor Circuit Open

E1

Oven display shows E1 and heating stops shortly after starting

Temperature Sensor Short Circuit

E10

Oven display shows E10 and unit is completely dead although mains power is present

Low Voltage / Power Supply Fault

E11

Oven shows E11 and time/program cannot be set correctly, display behaves erratically

Touch Control Panel / Keypad Fault

E12

Oven shows E12 and beeps, some functions locked out

Child Lock / Safety Lock Malfunction

E13

Oven shows E13 and interior lamp does not work even though heating is normal

Oven Lamp Circuit Fault

E14

Oven shows E14 and grill function cannot be selected or stops immediately

Grill Overheat / Safety Thermostat Fault

E15

Oven shows E15 and fan continues running for an unusually long time or never starts

Cooling Fan Control Fault

E16

Oven shows E16 and clock resets or display flickers when heating starts

Mains Supply / Internal Power Instability

E17

Oven shows E17 and cannot communicate with display or timer module

Communication Error Between Main Board and Display Board

E18

Oven shows E18 and beeps when starting, then stops immediately

Function Selector / Mode Switch Fault

E19

Oven shows E19 and temperature cannot be adjusted or is displayed incorrectly

Temperature Setting / Encoder Fault

E2

Oven shows E2 and overheats or shuts down quickly when heating

Overtemperature Protection / Sensor Out of Range

E20

Oven shows E20 and pyrolytic cleaning stops with door locked

Pyrolytic Temperature / Safety Fault

E3

Oven display shows E3 and oven does not heat in any mode

Upper Heating Element Circuit Fault

E4

Oven shows E4 and does not heat from the bottom in conventional modes

Lower Heating Element Circuit Fault

E5

Oven shows E5 and fan-assisted modes do not heat properly

Convection Heating Element Circuit Fault

E6

Oven shows E6 and convection fan does not run in any fan mode

Convection Fan Motor Fault

E7

Oven display shows E7 and interior light and some functions do not work

Door Switch / Door Lock Signal Fault

E8

Oven shows E8 and cannot start pyrolytic self-cleaning cycle

Door Locking System Fault (Pyrolytic Models)

E9

Oven shows E9 and shuts down during or after long high-temperature use

Cooling Fan / Overheat Protection Fault

Symptom

Bottom heat function does not work, top and fan heat are OK

Lower Element or Selector Fault

Symptom

Control knobs are very stiff or difficult to turn

Knob / Selector Mechanical Binding

Symptom

Grill function does not work, but other heating modes are fine

Grill Element or Circuit Failure

Symptom

Oven clock resets to 00:00 after every power cycle or sometimes during cooking

Timer Memory / Power Stability Issue

Symptom

Oven display and clock are blank, but interior light works when door is opened

Display / Timer Module Failure

Symptom

Oven does not heat at all in any mode, display and light work normally

Main Power to Heating Circuit Failure

Symptom

Oven does not start; display shows time but no response when turning knobs (mechanical timer model)

Mechanical Timer Not in Manual Position

Symptom

Oven door does not close properly or has a gap, heat escapes from front

Door Alignment / Hinge or Seal Failure

Symptom

Oven door remains locked after pyrolytic cleaning cycle has finished and oven is cool

Pyrolytic Door Lock Stuck Closed

Symptom

Oven door will not open after cooking (non-pyrolytic model)

Mechanical Door Latch Jam

Symptom

Oven emits burning smell or smoke during normal cooking (not first use)

Contamination / Overheating of Residues

Symptom

Oven emits electrical burning smell, sometimes accompanied by flickering display

Electrical Overheating / Component Failure

Symptom

Oven fan runs but no heat is produced in fan-assisted modes, while conventional top/bottom heat works

Convection Element Failure

Symptom

Oven glass door becomes excessively hot to touch during normal baking

Door Insulation / Cooling Fault

Symptom

Oven heats but does not reach set temperature or takes excessively long to preheat

Reduced Heating Capacity / Element Degradation

Symptom

Oven heats unevenly, with hot spots and cold areas, food not cooked uniformly

Air Circulation / Element Distribution Problem

Symptom

Oven interior fills with condensation and water drips from door or vents

Condensation / Ventilation Issue

Symptom

Oven interior light does not work but oven heats normally

Lamp Failure Only

Symptom

Oven light works but oven will not start heating when a function is selected

Function Selection / Start Circuit Fault

Symptom

Oven makes a high-pitched whine or humming noise when heating, even with fan off

Electrical Buzz / Magnetostriction in Elements or Transformer

Symptom

Oven makes loud rattling or grinding noise when fan is running

Convection Fan Mechanical Noise

Symptom

Oven overheats, burning food even when set to low temperature

Temperature Regulation Failure

Symptom

Oven shelves tilt or slide out too easily when pulling trays

Rack Support / Telescopic Runner Wear

Symptom

Oven trips the household circuit breaker or RCD when heating starts

Insulation Fault / Short Circuit in Heating Circuit