Dräger Cato - Page 125

125
Descriptions
Flow chart of self-test
Flow chart of self-test in ventilator (cont.)
Test blocks:
Subsystem 1 / 2 (IPPV)
Leak < 1.5 L/min at
30 mbar?
A BAG/Fr.gas hose?
A Insp. Valve ?
A Subsyst.1/2 leak
A Subsystem 1 leak
A Subsystem 2 leak
A Fresh gas occl?
A Insp. Valve ?
A APL = 30 mbar ?
A APL → MAN. ?
I Standby
Breathing system
Valve function test
F
F
F
F
A BreathSys.defect
F
F
F
F
A Fresh gas occl?
I Leaktest IPPV
F
A Subsystem 3 leak
A Leak = mL/min F
Leak eleminated?
A
Leak accepted ?
F
F
End of self-test
> 5 L/min
I Leaktest MAN.
Subsystem 3
(breathing bag / fresh gas line)
Leak < 300 mL/min
at 30 mbar
A Service Nr. 119
A Service Nr. 115
A Valvedisk defect
A Diaphragm defect
A pneum.Interface?
A Service Nr. 118
F
Control pressure test
Valve and roller diaphragm
test
F
F
A Insp. Valve ?
A Subsystem 1 leak
A Subsystem 2 leak
F
F
F
Leak eleminated?
A
Leak accepted ?
Leak IPPV= mL
A
< 175 > 175
A Fresh gas occl?
A Leakage >10L/min
F
F
A Subsyst.1/2 leak
F
7
9
10
8