The flow reading is NOT available but circuit pressures consistent with ongoing forward flow:

A.
Check the flowmeter: closure, direction, need for ultrasonic gel (old flowmeters)
B.
If the problem persists, change the flowmeter.
C.
Strictly monitor the circuit and the patient.
D.
Document the event and related procedures in the patient's chart.
E.
If applicable, report the issue in the ELSO registry.