Troubleshooting Servo-i Ventilator System
6 - 6 Service Manual Revision 02
6
Test Test description * Recommended action if the test fails
Internal leakage test
(continued)
If message ‘Pressure Transducer
difference > 5 cm H
2
O’ appears:
1. Check that the pressure transducer
tubes and the inspiratory filter are
correctly mounted.
2. Check that both PC 1781 Pressure
transducer (Insp. and Exp.) are
correctly mounted.
3. If the ‘Pressure transducer test’
also fails (see below), refer to the
recommended actions if ‘Pressure
transducer test’ failed.
If message ‘System volume too small’
appears:
1. Replace the gas modules. Replace
one gas module at a time.
If message ‘System volume too large’
appears:
1. Check that the correct test tube is
used during the Pre-use check.
2. If the ‘Flow transducer test’ also
fails (see below), replace the gas
modules. Replace one gas module
at a time.
3. Refer to troubleshooting as
described for ‘Leakage’ or
‘Excessive leakage’ above.