Fault
Device does not build
up pressure
Cause
Remedy
No gas in cylinder
Immediately connect
device to another full
gas cylinder
Gas pressure at device
Establish adequate
inlet too low
supply pressure:
2-6 bar
Yellow control
Open non-rebreathing
phragm in non-rebreath-
valve and assemble
ing valve deformed or
correctly
out of shape
Device comes to a halt
on
Inadequate supply
pressure
Oxylog defective
Establish adequate
supply pressure: 2-6 bar
Notify
Inspection Service
Patient cannot exhale or
Ventilation tubing
Eliminate any kinks in
only with difficulty
kinked
tubing
Red check valve in
Open non-rebreathing
yellow control
valve and assemble
phragm missing or
correctly