Weinmann BiLevel-ST VENTImotion WM 24800, Service And Repair Instructions

Page: 17 / 64

Test the device 17
4.10 Test leaktightness
1. Plug the test adapter onto the device outlet.
2. Connect the side connection to the pressure
measurement device.
3. Turn on the device. Select CPAP mode in the
"Physician" menu and set a pressure of
20 hPa.
4. Read off the pressure displayed by the pres-
sure measurement device and enter it in the
protocol.
Requirement:
the values must be within the tol-
erances quoted in the protocol.
5. Turn off the device.
Note
If the value is outside tolerance, dismantle the
device (see "7.2 Open device" on page 31)
and check for leaks.
4.11 Test clock function
1. Connect the serial interface of the therapy de-
vice to the PC via the converter box.
2. Start the VENTI support program.
3. Click on the
VENTIadjust
item in the menu bar.
4. Select the
Set technical data
tab.
5. Compare "Device time" and "PC time".
Requirement:
the values must change to the
same extent.