Datex-Ohmeda S/5 Avance Technical Reference Manual page 151

1009-0357-000 11/03
Test 13 Testing the negative pressure relief valve
1. Separate the Bellows Module from the Circuit Module.
2. Remove the Bellows Interface Manifold.
3. Insert test plug (recessed end) into the rear Bag/Vent switch port as shown.
Plug
4. Install the Bellows Module.
5. Connect the Machine Test Tool to the interface ports and the Bellows
Module as shown above.
6. Set the Bag/Vent Switch to Vent.
7. Set O Flow to 0.2 l/min.
2
8. On the Gas Diagnostics page, reselect the O2 Flow screen.
• Ensure that the Airway Pressure rises to ≥ 30 cm H
9. Set O2 Flow to OFF.
7 Troubleshooting
O.
2
7-23