Function check 47
If this value is not reached, the connections must
be checked for leaks.
12.6 Checking oxygen flow
Required for the CPAP
MODULE
1. Switch on the MODULE.
2. Use the dial to open the oxygen supply.
The oxygen must be felt to come out at the
CPAP valve connection.
3. Switch off the oxygen supply immediately
afterwards to save oxygen.
12.7 Testing the pressure gauge
Required for the CPAP
MODULE
1. Plug the test set (WM 15665) onto pressure
measurement tube connection
10.
2. Crush the test set. Pressure on the pressure
gauge must rise.
3. Kink the test set in the centre and hold in this
position for about 5 seconds. Pressure may not
drop continuously during this time.