Respironics Trilogy 02, Technical Information

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P
AGE
6-24
T
RILOGY
S
ERVICE
& T
ECHNICAL
I
NFORMATION
1002735, V
ER
. 05
Low Pressure Leak Fail -
This is indicative of a leak
on the air flow side
(Trilogy O
2
& Trilogy 202
Only)
•
Verify Interface between air duct
and lower portion of air element
seated properly
•
Verify air element to mixer is intact
and O-rings are not rolled
•
Verify mixer to O
2
element is intact
and O-rings are not rolled
•
Verify O
2
element to manifold is
intact and O-rings are not rolled
•
Verify seating of the O
2
proportional valve
•
Verify sense tubes from both O
2
and air elements to associated flow
sensors are seated properly and
free from holes or defects
•
Ensure tubes are connected
properly
•
Reseat or replace as needed.
•
Replace manifold if suspect.
•
Reseat all connections and
retest.
Valve Functional Fail -
Indicative of valve not
properly opening or
impeded air path
(Trilogy O
2
& Trilogy 202
Only)
•
Verify seating on the O
2
proportional valve
•
Foreign material in air path
•
Faulty wire connection from O
2
proportional valve to board
•
Faulty OBM PCA
•
Reseat as needed or replace
manifold.
•
Remove material if possible,
otherwise replace manifold if
suspect.
•
Reseat connection or replace
suspect part.
•
Verify connector is seated,
otherwise replace PCA
PCA Communication Fail -
Indicative of PCA not
communicating
(Trilogy O
2
& Trilogy 202
Only)
•
Faulty OBM to Trilogy Serial Cable
•
Faulty PCA
•
Verify cable connection, reseat
or replace as needed
•
Verify connector integrity.
Reseat Cable at PCA
•
Replace PCA.
Fan Test Fail - Indicative of
a fan now working
(Trilogy O
2
& Trilogy 202
Only)
•
Faulty OBM Fan
•
Connection between fan and board
•
Faulty PCA
•
Verify fan cable connection.
•
Reseat connection.
•
Replace Fan.
•
Replace PCA
Current Test Fails -
Indicative of idle current
not within limits
(Trilogy O
2
& Trilogy 202
Only)
•
Faulty PCA
•
Reseat connections
•
Replace PCA