AirSep Onyx Instruction Manual page 29

®
AirSep Corporation
Problem
Purity of product oxygen
does not remain within
specification in Appendix A
of this instruction manual.
Flowmeter fluctuates or
flow rate of product oxygen
changes unexpectedly.
Onyx/Onyx+/Onyx Ultra Instruction Manual
Probable Cause
Leak in unit.
Defective or worn air
compressor.
Excess temperature inside
enclosure due to
inadequate ventilation
outside enclosure, high
ambient temperature, dirty
gross particle filter, blocked
air intake, or defective
cooling fan.
Defective circuit board.
Contaminated adsorbers.
Obstructed exhaust muffler.
Defective solenoid valve(s).
Leak in unit.
Improperly set or defective
pressure regulator.
Defective solenoid valve(s).
Defective air compressor.
Defective circuit board.
Solution
Pressurize unit, set ON/OFF
power switch to OFF, and
disconnect main power
supply. Remove panels and
make sure tubing remains
connected to fittings. Use
soapy water to check all
hoses, tubing, and fittings in
unit. Most leaks are audible
when area is quiet. Repair
leaks and replace hoses or
tubing as necessary.
Replace air compressor.
Provide proper ventilation,
make sure ambient
temperature does not
exceed specification in
Appendix A of this
instruction manual, clean
filter, remove obstruction, or
replace cooling fan.
Replace circuit board.
Replace adsorbers.
Replace exhaust muffler.
Repair or replace solenoid
valve(s).
Pressurize unit, set ON/OFF
power switch to OFF, and
disconnect main power
supply. Remove panels and
make sure tubing remains
connected to fittings. Use
soapy water to check all
hoses, tubing, and fittings in
unit. Most leaks are audible
when area is quiet. Repair
leaks and replace hoses or
tubing as necessary.
Check regulator setting or
replace defective regulator.
Repair or replace solenoid
valve(s).
Replace air compressor.
Replace circuit board.
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