Troubleshooting steps
Check for leaks, verify charge, check restrictions
HVAC Error Codes
York E30 Error
Low pressure switch open
Details
York E30 error indicates low pressure switch open. Low refrigerant charge, system leak, restriction. Check for leaks, verify charge, check restrictions.
Error typeerror
MeaningLow pressure switch open
Typical causesLow refrigerant charge, system leak, restriction
SolutionsCheck for leaks, verify charge, check restrictions
Severityhigh
Catalog references
Where this appears
YorkE30
Utilities
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FAQ
Common questions
What causes E30 error?
Low refrigerant charge, system leak, restriction
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