Troubleshooting steps
Check system diagnostics verify all components check error history
HVAC Error Codes
EE – System error
System error detected
Details
System has detected an error condition.
Error typeerror
MeaningSystem error
Typical causesMultiple possible causes
SolutionsCheck system diagnostics verify all components check error history
Severityhigh
Catalog references
Where this appears
LennoxEE
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FAQ
Common questions
What does EE mean?
EE indicates a general system error. Check diagnostics for specific cause.
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