Service Manual
Integra E-Z Oxygen Concentrators
Chart SeQual Technologies Inc. Page 21 of 34 P/N 2917
No power at wall outlet.
Ensure the unit is not plugged
into a wall switched outlet.
Check house circuit breaker or
fuse - reset or replace as needed.
Audible Alarm
Blinking Red Light
Flow Indicator Blank
Back Light On
Unit overheating
Remove any obstruction(s) from
air openings and refer to page 7
“The Proper Location” section.
Compressor malfunction
Service required.(Call Tech
Support).
Table 2: Concentrator Running
No oxygen / flow
(refer to the alarm
indications on Table 3 this
section)
Humidifier or tubing blocked or kinked
Clean or replace humidifier
and/or tubing.
Air Inlet Filter blocked
Clean air inlet filter.
Perform Annual Filter PM.
Internal component malfunction
Service required. Call Tech
Support).
1) Check stepper motor in flow
control valve,
2) Check ATF gearmotor turning
properly, pressure "in" vs "out"?
3) Check proper pressure from
Low oxygen / flow
(refer to the alarm
indications on Table 3 this
section)
Restriction in humidifier or tubing.
Repair or replace humidifier as
required.
Air Inlet Filter restricted
Clean air inlet filter, or
Perform Annual Filter PM.
Internal component worn or
malfunctioning
Service required.(Call Tech
support) or
1) Check System Pressure(at
DISS adapter),
2) Replace ATF Assy,
3) Compressor may need
Yellow Light On Button is stuck
Service required.(Call Tech
Support - Replace Pod Assy)
Flow Rate not visible on
Flow Indicator Display
LCD malfunction
Service required.(Call Tech
Support - Replace Pod Assy
Red Light On
Flow Indicator Blank
Back Light On
System malfunction
Remove power cord from wall
outlet.
Service required.
Note: If abnormal operating conditions are detected and cannot be remedied, contact SeQual Customer Service.