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AirSep
Corporation
Unit operates, but air does
not circulate into unit.
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.
Topaz/Topaz+/Topaz Ultra Instruction Manual
Faulty electrical
connections to cooling fan.
Defective cooling fan.
Leak in unit.
Obstructed exhaust muffler.
Defective solenoid valve(s).
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 or worn air
compressor.
Defective circuit board.
Contaminated adsorbers.
Leak in unit.
Disconnect main power
supply, remove enclosure,
and make sure all electrical
connections, including
cooling fan leads, connect
securely.
Replace cooling fan.
Pressurize unit, set l/O
power switch to O, and
disconnect power supply.
Remove enclosure and
make sure tubing remains
connected to fittings. Use
an oxygen-compatible leak-
detecting solution 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 exhaust muffler.
Repair or replace solenoid
valve(s).
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.
If maximum cycle pressure
is below 179 kPa (26 psig),
replace air compressor.
Replace circuit board.
Replace adsorbers.
Pressurize unit, set l/O power
switch to O, and disconnect
power supply. Remove
enclosure 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.
8-3
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