Comprehensive Microwave Oven Error Codes Table
| Error Code | Brand | Meaning of Error Code | Potential Solution |
|---|---|---|---|
| SE | Samsung | Short circuit or sensor error detected in the control system | Unplug microwave for 5 minutes to reset. If error persists, contact technician to check sensors and wiring |
| E-11 | Samsung | Communication error between control board and touchpad | Check touchpad connection. Reset by unplugging for 10 minutes. May require control board replacement |
| E-13 | Samsung | Humidity sensor malfunction or failure | Clean interior thoroughly. If error continues, humidity sensor needs replacement by technician |
| E-41 | Samsung | Temperature sensor error – unable to read correct temperature | Allow microwave to cool down completely. Check sensor connections. Replace temperature sensor if faulty |
| C-10 | Samsung | Gas sensor error (in combination models) | Ventilate area. Reset microwave. Contact service if error persists as gas sensor may be damaged |
| C-20 | Samsung | Abnormal high temperature detected | Stop operation immediately. Allow to cool for 30+ minutes. Check ventilation. Call technician if repeats |
| C-21 | Samsung | Overheating protection activated | Ensure proper ventilation around unit. Clean air vents. Allow cooling period before restarting |
| F1 | LG | Temperature sensor failure | Check sensor wire connections. Replace faulty temperature sensor. Reset by unplugging for 10 minutes |
| F2 | LG | Door switch malfunction or door not closing properly | Inspect door alignment and latch mechanism. Clean door seals. Replace faulty door switch |
| F3 | LG | Touchpad or control panel error | Clean touchpad with dry cloth. Check for moisture. Reset unit. Replace control panel if necessary |
| F4 | LG | Humidity sensor error | Clean sensor area inside cavity. Reset microwave. Replace sensor if problem continues |
| F5 | LG | Cooling fan motor failure | Check for obstructions in fan area. Listen for unusual noises. Replace cooling fan motor if not functioning |
| F6 | LG | High voltage transformer issue | Dangerous error – do not attempt DIY repair. Contact authorized technician immediately |
| F7 | LG | Magnetron failure (no heating) | Check power supply. If magnetron failed, requires professional replacement. Do not operate |
| E-11 | Whirlpool | Touchpad/control panel communication error | Disconnect power for 5 minutes. Check ribbon cable connections. Replace control board if needed |
| E-21 | Whirlpool | Door latch/interlock switch problem | Inspect door mechanism for damage. Clean latch area. Replace door switches if faulty |
| E-24 | Whirlpool | Humidity sensor malfunction | Clean sensor. Reset microwave. Contact service for sensor replacement if error persists |
| E-41 | Whirlpool | Thermal cutout activated due to overheating | Allow microwave to cool completely. Check ventilation. Clean air vents. Reset thermal cutout |
| F1E1 | Whirlpool | Main control board failure | Reset by unplugging. If error returns, main control board needs professional replacement |
| F3E2 | Whirlpool | Oven temperature sensor open circuit | Check sensor connections and wiring. Replace temperature sensor if open or damaged |
| E01 | Bosch | Door error – door not properly closed or locked | Close door firmly. Check for obstructions. Clean door seal. Adjust or replace door latch |
| E02 | Bosch | Key panel error or stuck button | Clean control panel. Check for stuck buttons. Reset microwave. Replace touchpad if necessary |
| E03 | Bosch | Electronic control malfunction | Power cycle the unit. If error repeats, electronic control board requires replacement |
| E04 | Bosch | Temperature sensor short circuit | Check sensor wiring for damage. Replace shorted temperature sensor |
| E05 | Bosch | Communication error between components | Check all wire harness connections. Reset system. May require control board replacement |
| E10 | Electrolux | Door interlock system failure | Test door switches. Clean door area. Replace faulty interlock switches |
| E11 | Electrolux | Control board communication error | Reset by disconnecting power. Check connections. Replace control board if defective |
| E15 | Electrolux | Overheating protection activated | Allow cooling period. Check ventilation system. Clean filters and vents thoroughly |
| E20 | Electrolux | Thermal sensor fault | Inspect sensor and wiring. Replace temperature sensor if readings are incorrect |
| ER-01 | Panasonic | Door sensor malfunction | Check door alignment. Clean door contacts. Replace door sensor switch if faulty |
| ER-02 | Panasonic | Temperature sensor error | Allow microwave to reach room temperature. Check sensor connections. Replace if defective |
| ER-03 | Panasonic | Inverter circuit problem | Serious electrical issue – requires professional diagnosis and repair of inverter board |
| ER-04 | Panasonic | Humidity sensor failure | Clean sensor area. Reset unit. Contact service for humidity sensor replacement |
| ER-05 | Panasonic | Control panel/membrane switch error | Clean control panel. Check for moisture or stuck buttons. Replace membrane switch if needed |
| H-97 | Panasonic | High temperature safety shut-off | Stop use immediately. Allow extensive cooling. Check for proper ventilation. Call service |
| H-98 | Panasonic | Abnormal heating detected | Do not use. Unplug immediately. Requires professional inspection of heating components |
| E-11 | Sharp | Memory chip error or software malfunction | Perform hard reset by unplugging for 15 minutes. May require software update or board replacement |
| E-14 | Sharp | Door sensor or interlock failure | Inspect door mechanism. Test door switches. Replace faulty interlock system |
| E-16 | Sharp | Temperature sensor open or shorted | Check sensor resistance. Replace temperature sensor if out of specification |
| E-41 | Sharp | Humidity sensor abnormality | Clean sensor thoroughly. Reset microwave. Replace sensor if error continues |
| E-71 | Sharp | Control panel keypad malfunction | Clean keypad area. Check for moisture or damage. Replace control panel assembly |
| F-1 | GE | Primary control board failure | Reset by unplugging for 10 minutes. If error returns, control board needs replacement |
| F-2 | GE | Keypad/user interface error | Clean control panel. Check membrane switch. Reset unit. Replace UI board if necessary |
| F-3 | GE | Door sensing circuit failure | Test door switches with multimeter. Replace faulty door switch or sensor |
| F-4 | GE | Humidity sensor malfunction | Clean cavity and sensor. Reset microwave. Replace humidity sensor if problem persists |
| F-5 | GE | Cooling system fault | Check cooling fan operation. Remove obstructions. Replace fan motor if not running |
| F-6 | GE | Relay board problem | Inspect relay board for burnt components. Requires professional diagnosis and replacement |
| F-7 | GE | Magnetron circuit issue | Serious problem – do not use. Contact authorized service for magnetron replacement |
| E-10 | Siemens | General system error | Perform complete reset by disconnecting power for 15 minutes. Check all connections |
| E-11 | Siemens | Temperature sensing error | Allow unit to reach room temperature. Check sensor wiring. Replace sensor if faulty |
| E-12 | Siemens | Overheating detected | Stop operation. Allow cooling period. Clean ventilation system. Check for blocked vents |
| E-13 | Siemens | Door mechanism failure | Inspect door hinges and latch. Adjust door alignment. Replace door components if broken |
| E-14 | Siemens | Control electronics malfunction | Reset system. Check power supply. May require control module replacement |
| Err1 | Toshiba | Door circuit error – door not properly engaged | Close door securely. Check door seal and alignment. Replace door switches if defective |
| Err2 | Toshiba | Main control board communication failure | Power cycle the microwave. Check wire harnesses. Replace control board if needed |
| Err3 | Toshiba | Temperature probe error | Check probe connection and condition. Replace temperature probe if damaged or open |
| Err4 | Toshiba | Humidity sensor abnormality | Clean sensor location. Reset microwave. Service required if sensor is faulty |
| Err5 | Toshiba | Cooling fan motor failure | Listen for fan operation. Remove obstructions. Replace fan motor if not functioning |
| E1 | Kenmore | Touchpad short circuit or stuck button | Clean touchpad thoroughly. Check for moisture. Reset by unplugging. Replace if necessary |
| E2 | Kenmore | Door switch or interlock failure | Test all door switches. Clean door contacts. Replace faulty door interlock switches |
| E3 | Kenmore | Control board malfunction | Disconnect power for reset. Check for loose connections. Replace control board if defective |
| E4 | Kenmore | Thermal sensor error | Check sensor wiring and connections. Replace temperature sensor if readings are incorrect |
| E5 | Kenmore | Humidity sensor problem | Clean sensor area inside cavity. Reset unit. Replace sensor if error continues |
| PF | Various Brands | Power failure – temporary power interruption occurred | Simply press STOP/CLEAR or CANCEL button and reset clock. No repair needed |
| LOCKED | Various Brands | Control lock feature is activated | Press and hold STOP/CLEAR button for 3-5 seconds to unlock control panel |
| DEMO | Various Brands | Demonstration mode is activated | Consult manual for specific deactivation sequence (usually press specific button combinations) |
| dOOr | Various Brands | Door is not closed or door switch problem | Close door firmly. Check for obstructions. Clean door seal. Replace door switch if faulty |
| E-41 | Miele | Temperature sensor short circuit or open | Check sensor resistance with multimeter. Replace sensor if out of acceptable range |
| F-01 | Miele | Electronic module defect | Reset by turning off circuit breaker for 5 minutes. Contact service for module replacement |
| F-11 | Miele | Door lock error | Check door mechanism. Clean door area. Replace door lock assembly if malfunctioning |
| F-40 | Miele | Communication error with display | Check ribbon cable connections. Reset system. May require display module replacement |
| Err | Haier | General system error – multiple possible causes | Unplug for 10 minutes. Check for loose connections. Contact service if error persists |
| E-01 | Haier | Door circuit problem | Inspect door switches and wiring. Clean contacts. Replace faulty door switch |
| E-02 | Haier | Control panel communication failure | Clean control panel. Reset microwave. Check wire connections. Replace if necessary |
| E-03 | Haier | Temperature sensor abnormality | Allow cooling to room temperature. Test sensor. Replace if defective |
| E1 | Bruhm | Door error – not closing properly | Ensure door closes completely. Check alignment. Replace door latch if damaged |
| E2 | Bruhm | Sensor error (temperature or humidity) | Clean sensor areas. Reset by unplugging. Replace sensor if error continues |
| E3 | Bruhm | Control system malfunction | Perform power reset. Check connections. May require control board replacement |
| F0 | Ramtons | System initialization error | Unplug microwave for 15 minutes. Plug back in to reset initialization. Contact service if repeats |
| F1 | Ramtons | Temperature sensing failure | Check sensor connection and condition. Replace temperature sensor if faulty |
| F2 | Ramtons | Door interlock error | Test door switches. Adjust door alignment. Replace interlock switches if not working |
| F3 | Ramtons | Control panel/keypad error | Clean control panel. Check for stuck buttons. Reset unit. Replace panel if necessary |
Important Safety Notes
Warning: Many microwave oven errors involve high-voltage components that can store dangerous electrical charges even when unplugged. Never attempt to repair internal components yourself unless you are a qualified technician. Microwaves contain capacitors that can deliver fatal shocks.
When to Call a Professional:
- Any error involving the magnetron, high-voltage transformer, or capacitor
- Persistent errors after basic troubleshooting
- Burning smells or sparking inside the unit
- Physical damage to internal components
- Multiple error codes appearing simultaneously
Basic Troubleshooting Steps:
- Unplug the microwave and wait 5-10 minutes
- Check power supply and circuit breaker
- Inspect door alignment and cleanliness
- Clean ventilation areas and filters
- Plug back in and test
Contact Information for Professional Service: If error codes persist after basic troubleshooting, contact a qualified appliance repair service specializing in microwave ovens. Always provide the exact error code, brand, and model number when calling for service.
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