Wine Refrigeration Diagnostics
Thermador Wine Refrigeration
Thermador Wine Refrigeration
Error Codes
Meanings, severity levels, safe checks you can perform, and when to call a technician.
Enter the code shown on your wine refrigeration 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
All Codes
Error Code Directory
Click any code for detailed troubleshooting steps
Low
Medium
High
Code
Meaning
Severity
Common Symptom
COMP-FAIL
Compressor Cooling Failure
High
The wine column normally produces a soft compressor hum during cooling cycles, but you cannot hear anything.
View
DOOR-OPEN
Door Open Extended
Low
A repetitive alarm tone sounds and continues until the door is closed.
View
FAN-FAIL
Internal Fan Failure
Medium
Bottles at the top feel noticeably warmer or colder than bottles at the bottom, when previously the cabinet was even.
View
HI
High Temperature Alarm
High
When you remove a bottle from the cabinet, it feels noticeably warmer than the temperature it was set to.
View
LIGHT-FAIL
Display Light Failure
Low
When you open the wine column door, no LED lighting comes on inside the cabinet.
View
LO
Low Temperature Alarm
High
Bottles removed from the cabinet feel near freezing rather than at proper serving temperature.
View
THERM-FAIL
Thermostat Calibration Drift
Medium
The temperature display shows the cabinet bouncing between values well above and below the setpoint instead of holding steady.
View