AirSep Topaz Instruction Manual page 32

Unit operates, but l/O
power switch does not
illuminate.
Pressure of product oxygen
changes unexpectedly.
"Popping" sound indicates
release of relief valves.
Chattering or buzzing noise
from solenoid valve(s).
8-4
Improperly set or defective
pressure regulator.
Defective solenoid valve(s).
Defective air compressor.
Defective circuit board.
Defective l/O power switch.
Leak in unit.
Improperly set or defective
pressure regulator.
Relief valves release.
Defective air compressor.
Obstructed exhaust muffler.
Improperly set or defective
pressure regulator.
Defective solenoid valve(s).
Defective circuit board.
Contaminated adsorbers.
Low voltage to valve(s).
Defective or worn solenoid
valve(s).
Topaz/Topaz+/Topaz Ultra Instruction Manual
®
AirSep Corporation
Check regulator setting or
replace defective regulator.
Repair or replace solenoid
valve(s).
Replace air compressor.
Replace circuit board.
Replace l/O power switch.
Pressurize unit, set l/O
power switch to O, and
disconnect main 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 as necessary.
Check regulator setting or
replace defective regulator.
Refer to "'Popping' sound
indicates release of relief
valves" problem in
troubleshooting chart.
Rebuild or replace air
compressor (as applicable).
Replace exhaust muffler.
Check regulator setting or
replace defective regulator.
Repair or replace solenoid
valve(s).
Replace circuit board.
Replace adsorbers.
Make sure electrical power
remains within specification
in Appendix A of this
manual. If power at inlet to
unit is correct but is low at
valve(s), contact AirSep.
Repair or replace solenoid
valve(s).