All Siemens Microwave Error Codes — Complete List (2026)

222 error codes222 Medium
E545

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E608

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E979

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E251

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E495

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E974

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E655

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E725

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E255

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E821

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E114

The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit

Mediummicrowaveoverflow
E882

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E21

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E700

The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit

Mediummicrowaveoverflow
E601

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E440

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E688

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E318

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E851

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E364

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E490

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E488

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E552

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E26

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E653

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E17

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E33

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E39

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E103

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E835

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E372

The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit

Mediummicrowaveoverflow
E159

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E573

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E299

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E789

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E290

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E67

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E36

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E186

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E956

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E637

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E997

The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit

Mediummicrowaveoverflow
E286

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E643

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E951

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E297

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E685

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E153

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E902

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E140

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E10

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E880

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E352

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E296

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E691

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E388

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E884

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E549

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E441

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E37

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E308

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E449

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E96

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E223

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E684

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E820

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E434

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E218

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E808

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E586

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E503

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E510

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E357

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E302

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E753

The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit

Mediummicrowaveoverflow
E678

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E836

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E590

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E704

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E937

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E396

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E787

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E779

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E992

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E453

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E247

The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit

Mediummicrowaveoverflow
E348

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E207

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E8

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E657

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E630

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E717

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E632

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E736

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E13

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E71

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E152

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E783

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E962

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E448

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E129

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E450

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E838

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E957

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E791

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E744

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E139

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E626

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E279

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E897

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E75

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E232

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E169

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E556

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E965

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E613

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E990

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E580

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E50

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E942

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E280

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E51

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E28

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E53

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E43

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E9

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E42

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E401

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E939

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E285

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E673

The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit

Mediummicrowaveoverflow
E266

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E433

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E355

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E976

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E487

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E375

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E230

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E998

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E457

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E554

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E501

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E577

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E260

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E735

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E828

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E891

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E761

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E245

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E947

The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit

Mediummicrowaveoverflow
E221

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E416

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E197

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E893

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E522

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E934

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E133

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E462

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E365

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E489

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E589

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E627

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E833

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E987

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E895

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E905

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E675

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E837

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E138

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E912

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E806

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E390

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E135

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E459

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E439

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E25

The appliance control system detected a condition indicating communication error – internal control boards lost connection

Mediummicrowavecommunication
E402

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E474

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E645

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E872

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E122

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E134

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E411

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E901

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E677

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E2

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E876

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E321

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E515

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E557

The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

Mediummicrowavemotor
E625

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E172

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E204

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E164

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E523

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E414

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E456

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E558

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E293

The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit

Mediummicrowaveoverflow
E751

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E240

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E316

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E544

The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit

Mediummicrowaveoverflow
E708

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E918

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E665

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E774

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E333

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E443

The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range

Mediummicrowavetemperature
E399

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E859

The appliance control system detected a condition indicating drain system failure – water cannot be removed properly

Mediummicrowavedrain
E1

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E328

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor

Mediummicrowavemotor
E614

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E406

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E377

The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters

Mediummicrowavesensor
E334

The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly

Mediummicrowaveheater
E941

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E923

The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply

Mediummicrowavewater
E511

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E986

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor
E786

The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked

Mediummicrowavedoor

Siemens microwaves show error codes when they detect issues with the magnetron, door switches, control board, or other components. This page lists all 222 Siemens microwave error codes with their meanings and troubleshooting steps. Important: never attempt to repair internal high-voltage microwave components yourself — always contact a qualified technician for internal repairs. Common issues include door switch failures, touchpad malfunctions, and thermal fuse problems.

Most Common Siemens Microwave Problems

Siemens Microwave Maintenance Tips

  • 1Clean the interior after each use to prevent food buildup
  • 2Inspect the door seal and latch regularly
  • 3Never run the microwave empty — it can damage the magnetron
  • 4Clean the waveguide cover (mica plate) if food splatters on it
  • 5Use microwave-safe containers only
  • 6Ensure proper ventilation around the unit

When to Call a Professional

Always Call a Pro

  • Any internal component repair (high voltage danger)
  • Magnetron replacement
  • Capacitor or diode issues

Consider Professional Help

  • Door switch replacement
  • Control board issues

Safe to DIY

  • Checking door latch
  • Cleaning interior and waveguide cover
  • Resetting the appliance
  • Testing power outlet

Frequently Asked Questions

How many error codes does Siemens Microwave have?
Our database contains 222 Siemens Microwave error codes with detailed meanings, causes, and repair guides. This list is regularly updated as new codes are documented.
What are the most common Siemens Microwave problems?
The most common Siemens Microwave issues include: Magnetron failure, Door switch malfunction, High voltage diode or capacitor failure. Most of these can be diagnosed using the error code displayed on the control panel.
Can I fix Siemens Microwave error codes myself?
Many microwave errors can be resolved with basic troubleshooting: Check that the door closes securely and latches click. Ensure the turntable is properly seated on its support. However, errors marked as "High" or "Critical" severity typically require professional service.
What does it cost to repair a Siemens Microwave?
Repair costs vary widely depending on the specific issue. Simple fixes like check that the door closes securely and latches click are free. Professional repairs typically range from $100-$400 depending on the part and labor involved. Always get a diagnosis before committing to expensive repairs.
How do I reset my Siemens Microwave error code?
Most Siemens Microwave error codes can be reset by disconnecting the appliance from power for 5 minutes, then reconnecting it. If the error returns after a reset, the underlying issue still needs to be addressed.
How can I prevent Siemens Microwave errors?
Regular maintenance helps prevent most errors: Clean the interior after each use to prevent food buildup. Inspect the door seal and latch regularly. Never run the microwave empty — it can damage the magnetron. Following these practices significantly reduces the chance of unexpected error codes.
When should I call a professional for my Siemens Microwave?
Call a certified technician for any error involving: Test magnetron for proper operation (high voltage — professional only); Check high voltage diode, capacitor, and transformer. Also call immediately if you smell gas, see sparks, or notice water leaking from internal components.

Microwave Error Codes — Other Brands