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VERFLO
TM
SERVICE & TECHNICAL INFORMATION 1039055, VER. 06
SYMPTOM CAUSE VERIFICATION
CORRECTIVE
ACTION
•
Inaccurate oxygen
flow
Flow Meter failure
•
Verify the Flow Meter
can be adjusted
properly
•
Replace the Flow
Meter
•
Loss of power
•
Low Pressure
Compressor thermal
switch failure
•
Compressor
temperature allowed
to exceed
65 +/- 5 degrees C
127 +/- 5 degrees F
•
Verify that air flow
around concentrator
is not blocked
•
Verify that all filters
are clan
•
Verify that the
thermal switch is
closing after cooling
•
Reposition the
concentrator to an
open area
•
Replace all dirty
filters
•
Replace the
Compressor
PROBLEM POSSIBLE CAUSE WHAT YOU SHOULD DO
Not running or lockup Compressor Replace the compressor
Low Flow if the purity is still good Compressor Replace the compressor
Pressure fluctuating < 10psi Valve Replace the valve
Flow meter fluctuating, either observed or
device returned with customer complaint
Valve Replace the valve
Customer complaint of device alarming, but
the measured O
2
is within spec
Valve Replace the valve
2
with the perf-plates at or above 1.3
inches
Valve Replace the valve
2
with new valve installed and
compressor flow within spec
Canister Replace the canister
Either the perf-plate position measured >1.3
inches
Canister Replace the canister and valve
Replace the canister and valve
Estimated flow > 5.5 LPM with the flow
meter set to = 5 LPM
System checks Inspect and fix leaks
EverFlo UltraFill compatible models have
cuts or pin holes in tubing near the sieve
System checks Inspect and fix leaks