Table of Contents - Covidien

Self tests (SST and EST)
Test number
and name
12. Piston leak
test
13. Lightsdisplays
test
Checks piston leak against a
table of leak values stored
in NVRAM.
First remove inspiratory filter;
then block and unblock
inspiratory filter port as
directed, using no. 3 stopper.
Press ACCEPT to signify you
have performed each
requested action. Replace
inspiratory tubing at end of
test.
Verifies that lights and
displays function.
Observe each named display,
and press ACCEPT to verify
that it is lit. Press CLEAR if a
display is not lit.
14. Keys test Verifies that every row and
column of key matrix can be
correctly read.
Press each named key (each
key’s LED will also be lit).
Press CLEAR if a key’s LED is
not lit.
15. Main alarm
test
Table 4-6: EST test sequence (continued)
Function Comments
Checks whether various
alarm sounds are audible (at
maximum volume).
Listen for each named
sound, then press ACCEPT to
verify that it is audible. Press
CLEAR if a sound is not
audible.
Failure if not passed. Not in
SST.
Failure if not passed. Not in
SST.
Failure if not passed. Not in
SST.
Failure if not passed. Also in
SST.
4-20 10066984 Rev. D 700 Series Ventilator Operator’s Manual