Datex-Ohmeda S/5 Avance Technical Reference Manual page 121

Test Procedure
1009-0357-000 11/03
1. On the Main Menu of the Service Application, select Vent Diagnostics.
2. On the Vent Diagnostics menu, select Status and verify that "Over Pressure
Circuit" reads OK.
3. Press the ComWheel to return focus to the selection menu.
4. Select Gas Inlet Vlv ON/OFF to Open the gas inlet valve.
Press the ComWheel to return focus to the selection menu.
5. Select Flow Valve Control.
6. Adjust the Flow Valve counts to approximately 1000 counts and observe
the "Airway Pressure" reading.
7. Increase the flow count slowly until the "Airway Pressure" reading reaches
approximately 109 cmH
8. Continue to increase the flow by one encoder click and observe the airway
pressure until gas flow stops.
9. Select the Status page and verify that:
• "Over Pressure Circuit" reads High Pressure.
• "Gas Inlet Valve Feedback" reads Closed.
8. Reassemble the system.
9. Perform the Preoperative Checkout Procedure
(refer to the User's Reference manual).
O.
2
6 Maintenance
6-7