GE Centiva/5 Plus, Technical Reference Manual

Page: 88 / 214

5 Troubleshooting
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05
5-18
Code Message Type Set condition Action Reset condition
18-3 Pressure sensor
offset valve
does not react.
Repeat test by
pressing
<Enter>.
Advice Pressure sensor offset valve
problem identified
Replace B board Pressure sensor
offset valve operates
properly Or repeat
test by pushing
<Enter>
19-1 Pressure sensor
malfunction.
Leakage, check
expiration
valve. Repeat
test by pressing
<Enter>.
Advice Low pressure increase
measured caused by a
pressure sensor
malfunction Or
a leak in the breathing
circuit
Or
A leak in the expiration
valve
Check the breathing circuit
for leaks and check the
expiration valve for proper
function and restart the
system test.
Pressure increase is
measured in the
breathing circuit
Or
repeat test by
pushing <Enter>
19-2 Electronic
pressure safety
valve in
inspiratory line
does not open.
Repeat test by
pressing
<Enter>.
Advice Electronic over pressure
relief valve in inspiration
line does not react
Or
Pressure release too slow
Check pressure safety valve
and replace pneumatic
assembly, if necessary
Electronic pressure
safety valve opens
properly
Or
repeat test by
pushing <Enter>
20-1 No pressure
increase in
system.
Leakage xxx
mL/min.
Check y-piece,
breathing
circuit and
expiratory valve
for leaks.
Press <Enter>.
Advice No pressure increase
measured above 50 cmH
2
O
within 5 secs caused by a
non-sealed y-piece
Or
A leak in the breathing
exceeding 1.000 mL/min
circuit
Check the breathing circuit
for leaks and seal y-piece
Pressure increase is
measured in the
breathing circuit
Or
repeat test by
pushing <Enter>
20-2 Leakage in
breathing
circuit too high.
Leakage xxx
mL/min. Check
y-piece,
breathing
circuit and
expiration valve
for leaks
Press <Enter>.
Advice Leakage in breathing circuit
exceeds 1.000 mL/min. Check the breathing circuit
for leaks Seal leaks
Or
repeat test by
pushing <Enter>