Table of Contents - Covidien

Self tests (SST and EST)
Caution
To ensure accurate SST and EST operation, run SST and EST in
room air (% O2 is 21%) after the ventilator has been powered
on for at least 10 minutes. (EST also requires an oxygen
supply.)
Table 4-1 describes SST and EST.
Table 4-1: 700 Series Ventilator self tests
Test name Purpose When test is run
Short self
test (SST)
Extended
self test
(EST)
An abbreviated version of EST to
be run primarily by the operator.
Makes detailed checks of the
pneumatics and electronics. It also
characterizes system leaks and
system/tubing compliance to
compensate during breath
delivery. POST is run as part of SST.
Thoroughly tests the operational
integrity of the ventilator, both
the electronics and pneumatics.
POST and SST are part of EST.
Before patient is
connected to the
ventilator or after
ventilator breathing
circuit or humidifier is
changed.
• When the ventilator
is serviced.
• As part of the
ventilator
performance
verification.
• Following a ventilator
inoperative.
NOTE:
The performance verification, described in the 700
Series Ventilator System Service Manual, is a more
thorough test of the ventilator to verify specifications
are met. The technician runs a partial or full
performance verification after servicing the ventilator
and at regular intervals.
4-2 10066984 Rev. D 700 Series Ventilator Operator’s Manual