Block Patient Wye (Test 1, Step 5 - Respironics ESPRIT Service Manual

Appendix A
Block Patient Wye
(Test 1, Step 5)
A-4
This step energizes inhalation and exhalation solenoids to autozero the
inhalation and exhalation pressure transducers at ambient pressure. This step
averages eight readings, which must be within 0.8 cmH
Diagnostic code 3156 indicates an inhalation pressure transducer (PT3)
autozero failure. Diagnostic code 3157 indicates an exhalation pressure
transducer (PT2) autozero failure.
Esprit® Ventilator Service Manual © Respironics, Inc.
O of each other.
2
Red = air flow
Blue = O flow
2
Black = no flow
REF 580-1000-02 G