Troubleshooting - AirSep AS-20 Instruction Manual

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AirSep Corporation

8.0 Troubleshooting

Use the following chart as a guide to troubleshoot the oxygen generator. For
assistance in troubleshooting or repairing the unit, or to order replacement parts,
contact the AirSep Commercial Products Service Department by telephone
Monday through Friday between 7:30 a.m. and 4:30 p.m. Eastern Time. In the
USA or Canada, call 1-800-320-0303. Outside the USA or Canada, call (716) 691-
0202. Send fax inquiries anytime to (716) 691-1255. Address written inquiries to:
AirSep Corporation, 260 Creekside Drive, Buffalo, NY 14228-2075 USA, Attention:
Commercial Products Service Department.
Problem
Oxygen generator does not
cycle. Green light on
ON/OFF switch does not
illuminate.
Oxygen generator operates.
Green light on ON/OFF
switch does not illuminate.
Oxygen generator does not
operate and green light on
ON/OFF switch illuminates.
AUTO/MAN switch set to
MAN and amber light on
AUTO/MAN switch does not
illuminate.
Oxygen generator cycles
with AUTO/MAN switch set
to MAN. Amber light on
AUTO/MAN switch does not
illuminate.
AS-20—1000 Instruction Manual
Probable Cause
No electrical power to
control cabinet or blown
fuse on unit.
Blown fuse on unit.
Light bulb on ON/OFF
switch burned out.
Loose or defective wire to
switch.
ON/OFF switch set to
OFF.
Defective ON/OFF switch.
Loose or defective power
wire to circuit board.
Defective circuit board.
Low voltage.
Light bulb on AUTO/MAN
switch burned out.
Loose or defective wire to
switch.
Defective circuit board.
12/02
Solution
Make sure unit is plugged
into wall outlet and that
wall outlet receives power.
Replace fuse in unit.
Replace switch or replace
the bulb in AS-160 – AS-
1000.
Repair or replace wire.
Set ON/OFF switch to ON.
Replace switch.
Repair or replace wire.
Replace circuit board.
Check power supply.
Replace switch or replace
the bulb in AS-160 – AS-
1000.
Repair or replace wire.
Replace circuit board.
8-1