System Pressure Test Table - Philips EverFlo Q Service And Technical Reference Manual

7.4

SYSTEM PRESSURE TEST TABLE

SYMPTOM
System Pressure Test
•
Abnormal reading
•
Fluctuating
pressure
•
Low pressure
reading
Page 39
CAUSE
•
High-pressure
reading above 25
psig @ 60 Hz @ 5
LPM flow.
•
Difference in Peak
pressure is > 1 psig.
•
Low pressure reading
below 20 psig @ 5
LPM
LO TM
E F S & T
VER ERVICE
VERIFICATION
•
Check oxygen
percentage at 5
LPM. If Low?
•
Check oxygen
percentage at 5
LPM. If Low?
•
Check oxygen
percentage at 5
LPM. If Low?
•
Check for leaks
•
Check tubing
•
Check fittings
•
Check for dirty filters
•
Check Compressor
for System Pressure
I
ECHNICAL NFORMATION
CORRECTIVE
ACTION
•
Check for proper
valve cycling
•
Replace Sieve
Canister
•
Check for leaks
•
Replace Sieve
Canister
•
Replace tubing
•
Replace fittings
•
Replace filters
•
Replace
Compressor
1039055, VER. 06