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error Carrier
Error Code E22
Supply airflow issue detected, unit cannot meet selected flow rate.
? What Causes This
Blocked filters or ducts, motor issues, faulty electronics assembly.
✓ How to Fix It
Clean supply system paths, remove ducting as needed; reset settings if MAX/Min flow values are incorrect. Consider replacing the supply blower or electronic assembly.
Source: page 19 of the official manual
From the manual
This error code appears in:
Carrier Hrvccsva1100