Siemens Microwaves Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E01
Microwave does not start heating, display shows E01 shortly after pressing Start.
Door Interlock System Fault
E02
Microwave stops heating shortly after start, display shows E02 and may beep.
Magnetron Overheating or Cooling Failure
E03
Microwave runs but does not heat food, display shows E03.
Magnetron or High-Voltage Circuit Failure
E04
Microwave stops and displays E04, often when using grill or combination modes.
Grill Heating Circuit or Overtemperature Fault
E05
Microwave shows E05 and will not start any program.
Control Panel or Touch Electronics Fault
E06
Microwave beeps and displays E06, often immediately after pressing Start.
Door Latch Recognition Error
E07
Built-in Siemens microwave with hot air function shows E07 and stops heating.
Convection Fan or Hot Air System Fault
E08
Microwave displays E08 and may shut down mid-cycle, especially on high power.
Mains Voltage or Power Supply Fault
E09
Microwave shows E09 and will not accept input or start programs.
Communication Error Between Control Boards
E10
Built-in Siemens microwave with sensor cooking shows E10 and cancels sensor programs.
Humidity / Steam Sensor Fault
E11
Microwave with inverter technology shows E11 and does not heat.
Inverter Power Module Fault
E12
Microwave shows E12 and may continue to run the fan after cooking or refuse to start.
Cavity Temperature Sensor (NTC) Fault
E13
Microwave shows E13 and may shut down unexpectedly during operation.
Overtemperature Safety Cut-Out Activation
E14
Microwave shows E14 and does not respond correctly to button presses or rotary knob input.
User Interface Input Fault
E15
Microwave shows E15 and may continue to run the cooling fan after programs end.
Cooling System Control Fault
E16
Microwave shows E16 and refuses to start, often after a power interruption.
Configuration or Calibration Error
E17
Microwave shows E17 and may stop mid-cycle with a beeping alarm.
Internal Sensor Communication Fault
E18
Microwave shows E18 and does not heat, though light and turntable may operate.
High-Voltage Safety Interlock Fault
E19
Microwave shows E19 and may not recognize door opening/closing correctly.
Door Sensor Logic or Position Error
E20
Microwave shows E20 and may not start or may shut down unexpectedly.
Internal Overcurrent or Short-Circuit Protection
Symptom
Microwave built-in combination model does not heat in hot air or grill modes, but microwave mode works.
Secondary Heating System Failure (Grill/Convection)
Symptom
Microwave cavity paint is peeling or rust is visible inside.
Cavity Coating Degradation
Symptom
Microwave clock and display reset or flicker when starting a cooking cycle.
Voltage Drop or Internal Power Supply Weakness
Symptom
Microwave completely dead – no display, no light, no response when buttons are pressed.
No Power – Primary Power Circuit Failure
Symptom
Microwave display works but buttons or touch controls do not respond or respond intermittently.
Keypad or Touch Control Failure
Symptom
Microwave door does not close properly or pops open during operation.
Door Alignment or Latch Failure
Symptom
Microwave door glass becomes extremely hot to the touch during normal microwave-only operation.
Door Thermal Insulation or Ventilation Issue
Symptom
Microwave door will not open or is stuck closed after cooking.
Door Latch Mechanism Jammed
Symptom
Microwave emits a strong burning or electrical smell during or after operation.
Overheating Component or Electrical Insulation Breakdown
Symptom
Microwave interior fills with excessive condensation or water drips from the door or vents.
Condensation and Steam Management Issue
Symptom
Microwave interior light does not come on, but the unit heats and operates normally.
Cavity Lamp Failure
Symptom
Microwave is excessively noisy (buzzing, humming, or rattling) during operation.
Mechanical Vibration or Electrical Buzz
Symptom
Microwave light and fan come on, but the turntable does not rotate.
Turntable Drive Failure
Symptom
Microwave makes loud grinding or scraping noises when the turntable rotates.
Turntable Support or Motor Noise
Symptom
Microwave produces sparks or arcing inside the cavity during cooking.
Cavity Arcing / Waveguide Contamination
Symptom
Microwave runs (light on, turntable rotates, fan noise present) but food remains cold.
No Heating – High-Voltage System Failure
Symptom
Microwave runs but time counts down too fast or too slow, leading to undercooked or overcooked food.
Timing or Power Calibration Issue
Symptom
Microwave shows child lock symbol and will not start, but no error code is displayed.
Child Lock / Safety Lock Activated
Symptom
Microwave trips the household circuit breaker or RCD when starting or during operation.
Electrical Short or Ground Fault
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Microwave does not start heating, display shows E01 shortly after pressing Start.
|
Door Interlock System Fault | View Details |
| E02 |
Microwave stops heating shortly after start, display shows E02 and may beep.
|
Magnetron Overheating or Cooling Failure | View Details |
| E03 |
Microwave runs but does not heat food, display shows E03.
|
Magnetron or High-Voltage Circuit Failure | View Details |
| E04 |
Microwave stops and displays E04, often when using grill or combination modes.
|
Grill Heating Circuit or Overtemperature Fault | View Details |
| E05 |
Microwave shows E05 and will not start any program.
|
Control Panel or Touch Electronics Fault | View Details |
| E06 |
Microwave beeps and displays E06, often immediately after pressing Start.
|
Door Latch Recognition Error | View Details |
| E07 |
Built-in Siemens microwave with hot air function shows E07 and stops heating.
|
Convection Fan or Hot Air System Fault | View Details |
| E08 |
Microwave displays E08 and may shut down mid-cycle, especially on high power.
|
Mains Voltage or Power Supply Fault | View Details |
| E09 |
Microwave shows E09 and will not accept input or start programs.
|
Communication Error Between Control Boards | View Details |
| E10 |
Built-in Siemens microwave with sensor cooking shows E10 and cancels sensor programs.
|
Humidity / Steam Sensor Fault | View Details |
| E11 |
Microwave with inverter technology shows E11 and does not heat.
|
Inverter Power Module Fault | View Details |
| E12 |
Microwave shows E12 and may continue to run the fan after cooking or refuse to start.
|
Cavity Temperature Sensor (NTC) Fault | View Details |
| E13 |
Microwave shows E13 and may shut down unexpectedly during operation.
|
Overtemperature Safety Cut-Out Activation | View Details |
| E14 |
Microwave shows E14 and does not respond correctly to button presses or rotary knob input.
|
User Interface Input Fault | View Details |
| E15 |
Microwave shows E15 and may continue to run the cooling fan after programs end.
|
Cooling System Control Fault | View Details |
| E16 |
Microwave shows E16 and refuses to start, often after a power interruption.
|
Configuration or Calibration Error | View Details |
| E17 |
Microwave shows E17 and may stop mid-cycle with a beeping alarm.
|
Internal Sensor Communication Fault | View Details |
| E18 |
Microwave shows E18 and does not heat, though light and turntable may operate.
|
High-Voltage Safety Interlock Fault | View Details |
| E19 |
Microwave shows E19 and may not recognize door opening/closing correctly.
|
Door Sensor Logic or Position Error | View Details |
| E20 |
Microwave shows E20 and may not start or may shut down unexpectedly.
|
Internal Overcurrent or Short-Circuit Protection | View Details |
| – |
Microwave built-in combination model does not heat in hot air or grill modes, but microwave mode works.
|
Secondary Heating System Failure (Grill/Convection) | View Details |
| – |
Microwave cavity paint is peeling or rust is visible inside.
|
Cavity Coating Degradation | View Details |
| – |
Microwave clock and display reset or flicker when starting a cooking cycle.
|
Voltage Drop or Internal Power Supply Weakness | View Details |
| – |
Microwave completely dead – no display, no light, no response when buttons are pressed.
|
No Power – Primary Power Circuit Failure | View Details |
| – |
Microwave display works but buttons or touch controls do not respond or respond intermittently.
|
Keypad or Touch Control Failure | View Details |
| – |
Microwave door does not close properly or pops open during operation.
|
Door Alignment or Latch Failure | View Details |
| – |
Microwave door glass becomes extremely hot to the touch during normal microwave-only operation.
|
Door Thermal Insulation or Ventilation Issue | View Details |
| – |
Microwave door will not open or is stuck closed after cooking.
|
Door Latch Mechanism Jammed | View Details |
| – |
Microwave emits a strong burning or electrical smell during or after operation.
|
Overheating Component or Electrical Insulation Breakdown | View Details |
| – |
Microwave interior fills with excessive condensation or water drips from the door or vents.
|
Condensation and Steam Management Issue | View Details |
| – |
Microwave interior light does not come on, but the unit heats and operates normally.
|
Cavity Lamp Failure | View Details |
| – |
Microwave is excessively noisy (buzzing, humming, or rattling) during operation.
|
Mechanical Vibration or Electrical Buzz | View Details |
| – |
Microwave light and fan come on, but the turntable does not rotate.
|
Turntable Drive Failure | View Details |
| – |
Microwave makes loud grinding or scraping noises when the turntable rotates.
|
Turntable Support or Motor Noise | View Details |
| – |
Microwave produces sparks or arcing inside the cavity during cooking.
|
Cavity Arcing / Waveguide Contamination | View Details |
| – |
Microwave runs (light on, turntable rotates, fan noise present) but food remains cold.
|
No Heating – High-Voltage System Failure | View Details |
| – |
Microwave runs but time counts down too fast or too slow, leading to undercooked or overcooked food.
|
Timing or Power Calibration Issue | View Details |
| – |
Microwave shows child lock symbol and will not start, but no error code is displayed.
|
Child Lock / Safety Lock Activated | View Details |
| – |
Microwave trips the household circuit breaker or RCD when starting or during operation.
|
Electrical Short or Ground Fault | View Details |
No matching codes found
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