Freezer Diagnostics

Thermador Freezer
Error Codes

Meanings, severity levels, safe checks you can perform, and when to call a technician.

Enter the code shown on your freezer display

Is it safe to keep using it?

Depends on code severity. Low/Medium codes often allow continued use, High severity requires immediate stop.

Can error codes be reset?

Some codes clear after power cycle. Persistent codes indicate underlying issues needing repair.

When should I stop using it?

Stop immediately for water leak codes, burning smell, or any High severity error.

Most Common Codes

E02 E07 E10 ICE-FAIL DEF-FAIL TEMP-RISE DOOR-OPEN E30 E33

All Codes

DEF-FAIL DOOR-OPEN E02 E07 E10 E30 E33 ICE-FAIL TEMP-RISE

Error Code Directory

Click any code for detailed troubleshooting steps

Low Medium High

Code Meaning Severity Common Symptom

DEF-FAIL Defrost System Failure High A thick layer of ice forms on the inside back wall of the freezer compartment where the evaporator coil is located. View DOOR-OPEN Freezer Door Open Alarm Low A repetitive alarm tone sounds that does not stop until the freezer door is closed. View E02 Freezer Sensor Fault High Frozen food begins to thaw and ice cream loses its firm texture as the temperature drifts above the setpoint. View E07 Freezer Evaporator Sensor High A thick layer of frost forms on the inside back wall where the evaporator panel is located. View E10 Freezer Power Module Failure High The display indicates cooling is needed but the compressor never starts and the freezer warms over time. View E30 Ice Maker Cycle Fault High The ice bin is empty or nearly empty and has not been refilling. The ice maker module shows E30 on the display and the production cycle has halted. View E33 Ice Dispenser Fault High Ice pieces are fused together or jammed in the drop chute leading from the ice bin to the dispenser opening. Pressing the dispense paddle produces a mechanical clunk but no ice falls. View ICE-FAIL Ice Maker Not Producing Medium The ice maker has been on for a full day but the bin contains no ice or only a few cubes. View TEMP-RISE Freezer Temperature Rising High Ice cream is soft, frozen vegetables are clumped together, or you see ice crystals forming on previously dry frozen items. View