AirSep AS-E - Page 53

AS-D+—AS-P Series Instruction Manual 53
AirSep Corporation
Problem Probable Cause Solution
Oxygen generator relief
valves open.
Cycle pressure
exceeds the maximum
pressure specied.
Adjust feed air
regulator.
Stuck feed air regulator
main valve assembly.
Rebuild or replace
regulator.
Defective relief valve. Replace relief valve.
Filter drain valve
remains open. (Valve
not energized.)
Valve obstructed. Clean or replace valve.
Filter drain valve does
not energize.
Loose or defective wire
to valve.
Repair or replace wire.
Defective valve coil. Replace valve.
Valve core stuck in
closed position.
Replace valve.
Defective PLC. (No
power output to valve.)
Replace PLC.
Filter drain valve
energizes with unit
pressurized, but no air
exhausts.
Drain valve obstructed
or stuck in closed
position.
Clean or replace valve.
Drain tubing obstructed
or pinched.
Clean or replace tubing.