Wine Refrigeration Diagnostics
Sub-Zero Wine Refrigeration
Sub-Zero 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
EC10
Upper Cabinet Warm Temperature Alarm
High
Reds and whites stored in the upper section of the unit are noticeably warmer than the setpoint when you handle them.
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EC12
Lower Cabinet Warm Temperature Alarm
High
Bottles stored in the lower section of the unit are noticeably warmer than expected when you handle them.
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EC15
Sealed System Fault
High
The unit appears to be running but wine bottles throughout the cabinet feel the same temperature as the room after several hours.
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HUMIDITY-ALERT
Cabinet Humidity Out of Wine-Safe Range
Medium
Natural cork closures that have been properly stored begin to show signs of dehydration — they feel hard, crumbly, or pull away from the bottle lip, indicating humidity has dropped below 50% RH.
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LED-OUT
Interior LED Lighting Failed or Flickering
Low
One or more interior LED zones do not illuminate when the door opens, making it difficult to see bottle labels or read the full contents of the cabinet.
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VIBRATION-HIGH
Excessive Compressor Vibration Transmitted to Wine Racks
Medium
Placing a hand flat on the door or side of the unit reveals a continuous low-frequency vibration that was not noticeable when the unit was newer.
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