Error Code Reference
Sub-Zero Error Codes
Complete guide to understanding and resolving Sub-Zero appliance error codes.
50
High temperature alarm - fresh food section
May Be DIY FixableCommon Causes
- Door left open
- Power outage
- Cooling system issue
Possible Solutions
- Check door seal
- Allow time to cool
- Clean condenser coils
51
High temperature alarm - freezer section
May Be DIY FixableCommon Causes
- Door left open
- Power outage
- Defrost system failure
Possible Solutions
- Check door seal
- Allow time to cool
- Check for frost buildup
EC
Communication error between controls
Professional Service RecommendedCommon Causes
- Power surge
- Control board issue
Possible Solutions
- Power reset
- Professional diagnosis needed
This error typically requires professional diagnosis and repair.
Call NowIC
Ice maker communication error
Professional Service RecommendedCommon Causes
- Ice maker connection
- Control issue
Possible Solutions
- Check ice maker connection
- Power reset
This error typically requires professional diagnosis and repair.
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