Bauknecht
Bauknecht Microwaves Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
Advertisements
E1
Microwave shows E1 and will not start; sometimes appears after door slamming.
Door Switch Circuit Error
E2
Microwave displays E2 and does not heat; sometimes fan and light still operate.
Door Interlock Logic Error
E3
Microwave shows E3 and stops heating; may occur during sensor cooking modes.
Sensor Cooking Calibration / Sensor Error
E4
Microwave displays E4 and will not start; sometimes appears after overheating.
Overtemperature Protection Triggered
E5
Microwave shows E5 and stops heating; display and light may still function.
Magnetron or High-Voltage Failure
E6
Microwave displays E6; turntable may not rotate and unit may not start.
Turntable Motor or Position Sensor Error
E7
Microwave shows E7; grill or convection functions may not operate correctly on combi models.
Grill / Convection Heater Circuit Fault
E8
Microwave displays E8; convection fan may not run on combi models.
Convection Fan Motor Fault
E9
Microwave shows E9; clock and display may behave erratically.
Low Voltage / Power Supply Error
F0
Microwave display shows F0 and keys may not respond correctly.
Keypad Stuck Key or Touch Panel Error
F1
Microwave will not start; display shows F1 shortly after pressing START.
Keypad or User Interface Panel Failure
F2
Microwave stops heating and displays F2, often shortly after starting a cooking cycle.
Cavity Temperature Sensor (NTC) Fault
F3
Microwave beeps and shows F3; unit may not start or may stop mid-cycle.
Humidity / Steam Sensor Fault
F4
Microwave does not heat and displays F4 shortly after starting.
Magnetron Temperature Sensor or Thermal Cut-Out Fault
F5
Microwave shows F5 and will not start; sometimes appears after a power surge.
Main Control Board Failure
F6
Microwave displays F6 and does not heat; fan may run briefly then stop.
Inverter Power Module Fault (Inverter Models)
F7
Microwave shows F7; sometimes accompanied by erratic display or beeping.
Communication Error Between Control Board and Inverter/Power Module
F8
Microwave displays F8 and will not start; sometimes appears after long cooking sessions.
Cooling System / Fan Motor Fault
F9
Microwave shows F9 and does not heat; sometimes accompanied by a humming noise.
High-Voltage System Fault (Transformer Models)
Symptom
Condensation or water droplets form on the door and interior surfaces during or after cooking.
Normal Condensation or Ventilation Issue
Symptom
Microwave clock and settings reset every time the door is opened or when starting a cycle.
Power Interruption or Control Board Fault
Symptom
Microwave display is dim, flickering, or some segments are missing, but unit still heats.
Display Module or Control Board Backlight Failure
Symptom
Microwave display works but START button does nothing; no relay click, no light or fan when trying to start.
Control Panel / Keypad Input Failure
Symptom
Microwave does not start at all; display is blank and no lights or sounds when door is opened.
No Power / Main Fuse Blown
Symptom
Microwave door does not close properly; unit will not start and may show door-related errors intermittently.
Door Alignment / Hinge or Latch Fault
Symptom
Microwave door will not open or is difficult to open after cooking.
Door Latch Mechanism Jammed
Symptom
Microwave emits a strong burning or electrical smell during or after operation.
Overheating or Electrical Insulation Breakdown
Symptom
Microwave fan continues to run for a long time after cooking has finished.
Cooling Fan Overrun or Stuck Relay
Symptom
Microwave interior light does not turn on, but heating and other functions work normally.
Cavity Lamp Failure
Symptom
Microwave is excessively noisy during operation (rattling, grinding, or vibration).
Mechanical Vibration or Fan/Turntable Noise
Symptom
Microwave keypad is unresponsive or only responds intermittently; sometimes works after pressing very hard.
Worn or Contaminated Membrane Keypad
Symptom
Microwave light, fan, and turntable run when door is closed, even without pressing START.
Door Interlock Switches Miswired or Welded
Symptom
Microwave makes crackling, popping, or arcing noises inside the cavity during operation.
Cavity Arcing / Waveguide Cover Damage
Symptom
Microwave runs but does not heat food; turntable and light work normally, no error code displayed.
Magnetron or High-Voltage Circuit Failure
Symptom
Microwave runs but food heats unevenly; some areas boiling while others are cold.
Uneven Heating / Turntable or Load Distribution Issue
Symptom
Microwave runs but makes loud buzzing or humming noise, louder than normal, with poor or no heating.
High-Voltage Component Short or Magnetron Failure
Symptom
Microwave stops mid-cycle and completely loses power; after some time it may turn back on.
Overheating and Thermal Cut-Out Activation
Symptom
Microwave trips the household circuit breaker or RCD when starting a cooking cycle.
Electrical Short or Ground Fault
Symptom
Turntable does not rotate during cooking; food heats unevenly, but other functions work.
Turntable Drive Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Microwave shows E1 and will not start; sometimes appears after door slamming.
|
Door Switch Circuit Error | View Details |
| E2 |
Microwave displays E2 and does not heat; sometimes fan and light still operate.
|
Door Interlock Logic Error | View Details |
| E3 |
Microwave shows E3 and stops heating; may occur during sensor cooking modes.
|
Sensor Cooking Calibration / Sensor Error | View Details |
| E4 |
Microwave displays E4 and will not start; sometimes appears after overheating.
|
Overtemperature Protection Triggered | View Details |
| E5 |
Microwave shows E5 and stops heating; display and light may still function.
|
Magnetron or High-Voltage Failure | View Details |
| E6 |
Microwave displays E6; turntable may not rotate and unit may not start.
|
Turntable Motor or Position Sensor Error | View Details |
| E7 |
Microwave shows E7; grill or convection functions may not operate correctly on combi models.
|
Grill / Convection Heater Circuit Fault | View Details |
| E8 |
Microwave displays E8; convection fan may not run on combi models.
|
Convection Fan Motor Fault | View Details |
| E9 |
Microwave shows E9; clock and display may behave erratically.
|
Low Voltage / Power Supply Error | View Details |
| F0 |
Microwave display shows F0 and keys may not respond correctly.
|
Keypad Stuck Key or Touch Panel Error | View Details |
| F1 |
Microwave will not start; display shows F1 shortly after pressing START.
|
Keypad or User Interface Panel Failure | View Details |
| F2 |
Microwave stops heating and displays F2, often shortly after starting a cooking cycle.
|
Cavity Temperature Sensor (NTC) Fault | View Details |
| F3 |
Microwave beeps and shows F3; unit may not start or may stop mid-cycle.
|
Humidity / Steam Sensor Fault | View Details |
| F4 |
Microwave does not heat and displays F4 shortly after starting.
|
Magnetron Temperature Sensor or Thermal Cut-Out Fault | View Details |
| F5 |
Microwave shows F5 and will not start; sometimes appears after a power surge.
|
Main Control Board Failure | View Details |
| F6 |
Microwave displays F6 and does not heat; fan may run briefly then stop.
|
Inverter Power Module Fault (Inverter Models) | View Details |
| F7 |
Microwave shows F7; sometimes accompanied by erratic display or beeping.
|
Communication Error Between Control Board and Inverter/Power Module | View Details |
| F8 |
Microwave displays F8 and will not start; sometimes appears after long cooking sessions.
|
Cooling System / Fan Motor Fault | View Details |
| F9 |
Microwave shows F9 and does not heat; sometimes accompanied by a humming noise.
|
High-Voltage System Fault (Transformer Models) | View Details |
| – |
Condensation or water droplets form on the door and interior surfaces during or after cooking.
|
Normal Condensation or Ventilation Issue | View Details |
| – |
Microwave clock and settings reset every time the door is opened or when starting a cycle.
|
Power Interruption or Control Board Fault | View Details |
| – |
Microwave display is dim, flickering, or some segments are missing, but unit still heats.
|
Display Module or Control Board Backlight Failure | View Details |
| – |
Microwave display works but START button does nothing; no relay click, no light or fan when trying to start.
|
Control Panel / Keypad Input Failure | View Details |
| – |
Microwave does not start at all; display is blank and no lights or sounds when door is opened.
|
No Power / Main Fuse Blown | View Details |
| – |
Microwave door does not close properly; unit will not start and may show door-related errors intermittently.
|
Door Alignment / Hinge or Latch Fault | View Details |
| – |
Microwave door will not open or is difficult to open after cooking.
|
Door Latch Mechanism Jammed | View Details |
| – |
Microwave emits a strong burning or electrical smell during or after operation.
|
Overheating or Electrical Insulation Breakdown | View Details |
| – |
Microwave fan continues to run for a long time after cooking has finished.
|
Cooling Fan Overrun or Stuck Relay | View Details |
| – |
Microwave interior light does not turn on, but heating and other functions work normally.
|
Cavity Lamp Failure | View Details |
| – |
Microwave is excessively noisy during operation (rattling, grinding, or vibration).
|
Mechanical Vibration or Fan/Turntable Noise | View Details |
| – |
Microwave keypad is unresponsive or only responds intermittently; sometimes works after pressing very hard.
|
Worn or Contaminated Membrane Keypad | View Details |
| – |
Microwave light, fan, and turntable run when door is closed, even without pressing START.
|
Door Interlock Switches Miswired or Welded | View Details |
| – |
Microwave makes crackling, popping, or arcing noises inside the cavity during operation.
|
Cavity Arcing / Waveguide Cover Damage | View Details |
| – |
Microwave runs but does not heat food; turntable and light work normally, no error code displayed.
|
Magnetron or High-Voltage Circuit Failure | View Details |
| – |
Microwave runs but food heats unevenly; some areas boiling while others are cold.
|
Uneven Heating / Turntable or Load Distribution Issue | View Details |
| – |
Microwave runs but makes loud buzzing or humming noise, louder than normal, with poor or no heating.
|
High-Voltage Component Short or Magnetron Failure | View Details |
| – |
Microwave stops mid-cycle and completely loses power; after some time it may turn back on.
|
Overheating and Thermal Cut-Out Activation | View Details |
| – |
Microwave trips the household circuit breaker or RCD when starting a cooking cycle.
|
Electrical Short or Ground Fault | View Details |
| – |
Turntable does not rotate during cooking; food heats unevenly, but other functions work.
|
Turntable Drive Failure | View Details |
No matching codes found
Advertisements