Amana AVZC18 Series Service Instructions Manual page 57

SERVICING
2-Digit 7 Segment Displays
3. When the unit is having some minor error code in normal mode, 2-digit 7 segment displays show error code and airflow status.
4. When the unit is having some minor error code during defrost operation in normal mode, 2-digit 7 segment display shows state
"dF," error code and airflow status.
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