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AirSep
®
Corporation
12/02
AS-20—1000 Instruction Manual
8-3
Problem
Probable Cause
Solution
Oxygen purity below
specified purity (50–70%).
Low purity oxygen during
initial start-up.
Start unit as described in
Chapter 6.
Unit shut down for
extended period—no
pressure in oxygen system.
Start unit as described in
Chapter 6.
Momentary power loss.
Vent low purity oxygen
from system as described
in Chapter 6.
Inadequate feed air.
Check air lines for
obstructions or adjust or
replace feed air regulator.
Valves not cycling
properly.
See valve sequence in
Appendix A.
Improperly wired or
defective circuit board.
Replace circuit board.
Torn valve diaphragm.
Identify defective valve
and rebuild valve.
Solenoid valve not
functioning properly.
Check for the following
causes:
Defective coil.
Replace coil.
Loose or defective wire to
valve.
Repair or replace wire.
Defective circuit board.
(No power output to
valve.)
Replace circuit board.
Valve remains energized
and open.
Replace circuit board.
Defective valve.
Rebuild valve.
Worn internal parts on
valve.
Rebuild valve.
Valve makes loud
“chattering” noise.
Low voltage.
Check power supply.
Low voltage circuit board
output.
Replace circuit board.
Dirty valve.
Clean or rebuild valve.
Worn valve core.
Rebuild valve.
Defective EMI filter.
Replace EMI filter.
Very low oxygen output
(21–50%).
Leaking check valves.
Clean or replace check
valves.
Plugged
muffler.
Replace
muffler.
Contaminated molecular
sieve in adsorbers.
Replace molecular sieve.
Содержание AS-1000
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Страница 61: ...AirSep Corporation 12 02 AS 20 1000 Instruction Manual A 9 Operating Data ...
Страница 62: ...12 02 AirSep Corporation A 10 AS 20 1000 Instruction Manual Drawings ...
Страница 63: ...AirSep Corporation 12 02 AS 20 1000 Instruction Manual A 11 Figure 2 General Arrangement Drawing AS 20 ...
Страница 64: ...12 02 AirSep Corporation A 12 AS 20 1000 Instruction Manual Figure 3 Flow Schematic AS 20 ...
Страница 66: ...12 02 AirSep Corporation A 14 AS 20 1000 Instruction Manual Figure 6 General Arrangement Drawing AS 45 ...
Страница 67: ...AirSep Corporation 12 02 AS 20 1000 Instruction Manual A 15 Figure 7 General Arrangement Drawing AS 80 ...
Страница 68: ...12 02 AirSep Corporation A 16 AS 20 1000 Instruction Manual Figure 8 General Arrangement Drawing AS 160 ...
Страница 69: ...AirSep Corporation 12 02 AS 20 1000 Instruction Manual A 17 Figure 9 General Arrangement Drawing AS 250 ...
Страница 70: ...12 02 AirSep Corporation A 18 AS 20 1000 Instruction Manual Figure 10 Flow Diagram AS 45 through AS 250 ...
Страница 72: ...12 02 AirSep Corporation A 20 AS 20 1000 Instruction Manual Figure 13 General Arrangement Drawing AS 450 ...
Страница 73: ...AirSep Corporation 12 02 AS 20 1000 Instruction Manual A 21 Figure 14 General Arrangement Drawing AS 750 ...
Страница 74: ...12 02 AirSep Corporation A 22 AS 20 1000 Instruction Manual Figure 15 Flow Diagram AS 450 through AS 750 ...
Страница 76: ...12 02 AirSep Corporation A 24 AS 20 1000 Instruction Manual Figure 18 General Arrangement Drawing AS 1000 ...
Страница 78: ...12 02 AirSep Corporation Figure 21 Flow Diagram AS 1000 A 26 AS 20 1000 Instruction Manual ...
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