Troubleshooting steps
Check for leaks; verify charge; check restrictions
HVAC Error Codes
Goodman E4 Error
Low pressure switch open
Details
Goodman E4 error indicates the low pressure switch has opened due to low refrigerant pressure.
Error typeSafety Switch
Typical causesLow refrigerant; system leak; restriction
SolutionsCheck for leaks; verify charge; check restrictions
SeverityHigh
Catalog references
Where this appears
GoodmanE4
Utilities
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