📋 Fault Conditions

Fault Condition	Description
FC1	Duct static pressure too low with fan at max speed
FC2	Mix temperature too low (should be between OA & RA)
FC3	Mix temperature too high (should be between OA & RA)
FC4	AHU PID hunting—too many state changes
FC5	Supply air temperature too low (should be higher than MA)

For a full list, see Fault Conditions.