Philips EverFlo Q - System Pressure Test Table

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VERFLO
TM
SERVICE & TECHNICAL INFORMATION 1039055, VER. 06
7.4 SYSTEM PRESSURE TEST TABLE
SYMPTOM CAUSE VERIFICATION
CORRECTIVE
ACTION
System Pressure Test
• Abnormal reading
• High-pressure
reading above 25
psig @ 60 Hz @ 5
LPM flow.
• Check oxygen
percentage at 5
LPM. If Low?
• Check for proper
valve cycling
• Replace Sieve
Canister
• Fluctuating
pressure
• Difference in Peak
pressure is > 1 psig.
• Check oxygen
percentage at 5
LPM. If Low?
• Check for leaks
• Replace Sieve
Canister
• Low pressure
reading
• Low pressure reading
below 20 psig @ 5
LPM
• Check oxygen
percentage at 5
LPM. If Low?
• Check for leaks
• Check tubing
• Check fittings
• Check for dirty filters
• Check Compressor
for System Pressure
• Replace tubing
• Replace fittings
• Replace filters
• Replace
Compressor