Siemens KG39NNXEA — Error codes & fixes

Troubleshooting guide for the Siemens KG39NNXEA. Diagnose an error code and find the fix.

E1 / Temperature sensor fault

e1

The fridge is not cooling correctly and shows E1, usually from a faulty temperature sensor or a blocked air vent.

Source: ProductDB new-categories research catalog Confidence: 90% Verified Aug 8, 2026
2 fixes available

E5 / Defrost fault

e5

The freezer is not defrosting, causing ice buildup and poor cooling, often from a faulty defrost heater or thermostat.

Source: ProductDB new-categories research catalog Confidence: 90% Verified Aug 8, 2026
2 fixes available

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