SMEG 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 will not start; display shows E01 immediately after pressing START.
Door Interlock Safety Circuit Fault
E02
Microwave stops heating shortly after start; display shows E02 and beeps.
Magnetron Overheat or Thermal Cut-Out Trip
E03
Microwave runs (light and fan on) but does not heat; display shows E03 after a few seconds.
High-Voltage System Failure
E04
Microwave display shows E04 and cooking cannot be started; sometimes appears after a power surge.
Control PCB Communication or EEPROM Error
E05
Microwave stops mid-cycle and displays E05; may be accompanied by a hot exterior cabinet.
Cavity Overheat / Temperature Sensor Fault
E06
Microwave with grill or convection function shows E06 when grill or convection is selected; heating does not start.
Grill / Convection Temperature Sensor or Element Fault
E07
Microwave displays E07 and will not start; often associated with turntable not moving.
Turntable Motor or Position Sensor Error
E08
Microwave shows E08 and beeps continuously; keys may not respond correctly.
Keypad / Touch Control Panel Error
E09
Built-in SMEG microwave with convection shows E09; convection fan does not run.
Convection Fan Motor Fault
E10
Microwave displays E10 and will not start; often after a door slam or impact.
Door Latch Mechanism Fault
E11
Microwave shows E11 and beeps; interior light may stay on even with door closed.
Door Switch Stuck Closed / Open
E12
Microwave displays E12; clock and basic functions may work but cooking cannot be started.
Low Line Voltage or Power Supply Error
E13
Microwave shows E13; fan may run but no heating occurs.
Inverter Module Fault (Inverter Models Only)
E14
Microwave displays E14; interior light and fan may operate but cooking cannot be started.
Relay or Triac Drive Fault on Control PCB
E15
Microwave shows E15; interior light may flash or flicker when starting.
Cavity Lamp or Lamp Circuit Fault
E16
Microwave displays E16; fan may run continuously even when idle.
Cooling Fan Control Fault
E17
Microwave shows E17; child lock may not function correctly or is stuck.
Child Lock / Safety Logic Error
E18
Microwave displays E18; occurs when using sensor cooking or auto programs.
Humidity / Steam Sensor Fault (Sensor Cooking Models)
E19
Microwave shows E19; appears intermittently during long cooking cycles.
Intermittent Overcurrent / Power Protection Trip
E20
Microwave displays E20; appears immediately after power-on, no functions available.
Fatal Control System Error
Symptom
Built-in SMEG microwave causes surrounding cabinetry to discolor or become very warm.
Built-in Installation Ventilation Problem
Symptom
Microwave cavity accumulates condensation or water droplets on walls and door after use.
Excessive Condensation / Ventilation Issue
Symptom
Microwave display and clock work, but pressing START does nothing; no error code.
No Start Condition without Error
Symptom
Microwave display is blank and unit appears completely dead; no lights or response.
No Power / Dead Appliance
Symptom
Microwave display is dim, flickering, or segments are missing.
Display Module or Backlight Failure
Symptom
Microwave display works but buttons respond intermittently or not at all.
Unresponsive Keypad / Touch Panel
Symptom
Microwave door does not close properly or pops open during cooking.
Door Misalignment / Weak Latch
Symptom
Microwave door will not open or is very difficult to open after cooking.
Door Release Mechanism Jammed
Symptom
Microwave emits a burning smell or smoke during operation.
Overheating or Component Burn
Symptom
Microwave exterior (especially top or side panels) becomes very hot to the touch during normal use.
Overheating / Inadequate Ventilation
Symptom
Microwave interior light does not come on when door opens or during cooking, but unit heats normally.
Cavity Lamp Burned Out
Symptom
Microwave interior light, fan, and turntable operate, but food remains cold or only slightly warm.
Reduced Microwave Output
Symptom
Microwave is excessively noisy during operation (rattling, grinding, or scraping sounds).
Mechanical Noise / Loose Components
Symptom
Microwave makes loud buzzing or humming noise during operation, louder than usual; may or may not heat properly.
High-Voltage Component Noise / Partial Short
Symptom
Microwave produces sparks or arcing inside the cavity during cooking.
Cavity Arcing / Waveguide Contamination
Symptom
Microwave runs but does not heat food; no error code displayed.
No Heating with Normal Operation
Symptom
Microwave runs for a few seconds then stops and resets or clears the timer.
Intermittent Power Loss or Safety Trip
Symptom
Microwave trips the household circuit breaker or RCD when starting a cooking cycle.
Electrical Short or Earth Leakage
Symptom
Microwave turntable does not rotate, but heating and other functions work normally.
Turntable Drive Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Microwave will not start; display shows E01 immediately after pressing START.
|
Door Interlock Safety Circuit Fault | View Details |
| E02 |
Microwave stops heating shortly after start; display shows E02 and beeps.
|
Magnetron Overheat or Thermal Cut-Out Trip | View Details |
| E03 |
Microwave runs (light and fan on) but does not heat; display shows E03 after a few seconds.
|
High-Voltage System Failure | View Details |
| E04 |
Microwave display shows E04 and cooking cannot be started; sometimes appears after a power surge.
|
Control PCB Communication or EEPROM Error | View Details |
| E05 |
Microwave stops mid-cycle and displays E05; may be accompanied by a hot exterior cabinet.
|
Cavity Overheat / Temperature Sensor Fault | View Details |
| E06 |
Microwave with grill or convection function shows E06 when grill or convection is selected; heating does not start.
|
Grill / Convection Temperature Sensor or Element Fault | View Details |
| E07 |
Microwave displays E07 and will not start; often associated with turntable not moving.
|
Turntable Motor or Position Sensor Error | View Details |
| E08 |
Microwave shows E08 and beeps continuously; keys may not respond correctly.
|
Keypad / Touch Control Panel Error | View Details |
| E09 |
Built-in SMEG microwave with convection shows E09; convection fan does not run.
|
Convection Fan Motor Fault | View Details |
| E10 |
Microwave displays E10 and will not start; often after a door slam or impact.
|
Door Latch Mechanism Fault | View Details |
| E11 |
Microwave shows E11 and beeps; interior light may stay on even with door closed.
|
Door Switch Stuck Closed / Open | View Details |
| E12 |
Microwave displays E12; clock and basic functions may work but cooking cannot be started.
|
Low Line Voltage or Power Supply Error | View Details |
| E13 |
Microwave shows E13; fan may run but no heating occurs.
|
Inverter Module Fault (Inverter Models Only) | View Details |
| E14 |
Microwave displays E14; interior light and fan may operate but cooking cannot be started.
|
Relay or Triac Drive Fault on Control PCB | View Details |
| E15 |
Microwave shows E15; interior light may flash or flicker when starting.
|
Cavity Lamp or Lamp Circuit Fault | View Details |
| E16 |
Microwave displays E16; fan may run continuously even when idle.
|
Cooling Fan Control Fault | View Details |
| E17 |
Microwave shows E17; child lock may not function correctly or is stuck.
|
Child Lock / Safety Logic Error | View Details |
| E18 |
Microwave displays E18; occurs when using sensor cooking or auto programs.
|
Humidity / Steam Sensor Fault (Sensor Cooking Models) | View Details |
| E19 |
Microwave shows E19; appears intermittently during long cooking cycles.
|
Intermittent Overcurrent / Power Protection Trip | View Details |
| E20 |
Microwave displays E20; appears immediately after power-on, no functions available.
|
Fatal Control System Error | View Details |
| – |
Built-in SMEG microwave causes surrounding cabinetry to discolor or become very warm.
|
Built-in Installation Ventilation Problem | View Details |
| – |
Microwave cavity accumulates condensation or water droplets on walls and door after use.
|
Excessive Condensation / Ventilation Issue | View Details |
| – |
Microwave display and clock work, but pressing START does nothing; no error code.
|
No Start Condition without Error | View Details |
| – |
Microwave display is blank and unit appears completely dead; no lights or response.
|
No Power / Dead Appliance | View Details |
| – |
Microwave display is dim, flickering, or segments are missing.
|
Display Module or Backlight Failure | View Details |
| – |
Microwave display works but buttons respond intermittently or not at all.
|
Unresponsive Keypad / Touch Panel | View Details |
| – |
Microwave door does not close properly or pops open during cooking.
|
Door Misalignment / Weak Latch | View Details |
| – |
Microwave door will not open or is very difficult to open after cooking.
|
Door Release Mechanism Jammed | View Details |
| – |
Microwave emits a burning smell or smoke during operation.
|
Overheating or Component Burn | View Details |
| – |
Microwave exterior (especially top or side panels) becomes very hot to the touch during normal use.
|
Overheating / Inadequate Ventilation | View Details |
| – |
Microwave interior light does not come on when door opens or during cooking, but unit heats normally.
|
Cavity Lamp Burned Out | View Details |
| – |
Microwave interior light, fan, and turntable operate, but food remains cold or only slightly warm.
|
Reduced Microwave Output | View Details |
| – |
Microwave is excessively noisy during operation (rattling, grinding, or scraping sounds).
|
Mechanical Noise / Loose Components | View Details |
| – |
Microwave makes loud buzzing or humming noise during operation, louder than usual; may or may not heat properly.
|
High-Voltage Component Noise / Partial Short | View Details |
| – |
Microwave produces sparks or arcing inside the cavity during cooking.
|
Cavity Arcing / Waveguide Contamination | View Details |
| – |
Microwave runs but does not heat food; no error code displayed.
|
No Heating with Normal Operation | View Details |
| – |
Microwave runs for a few seconds then stops and resets or clears the timer.
|
Intermittent Power Loss or Safety Trip | View Details |
| – |
Microwave trips the household circuit breaker or RCD when starting a cooking cycle.
|
Electrical Short or Earth Leakage | View Details |
| – |
Microwave turntable does not rotate, but heating and other functions work normally.
|
Turntable Drive Failure | View Details |
No matching codes found
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