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SeQual Technologies Inc.
Part No: 5167
12
Trouble Shooting Guide
Table 1: Concentrator is not Running
Symptom
Probable Cause
Remedy
Cannot Start Unit
Flow Indicator Blank
Back Light Off
Power cord not plugged into wall outlet. Plug in power cord.
Internal Fuse Blown
Service required.
Audible Alarm
Blinking Red Light
Flow Indicator Blank
Back Light Off
Power cord pulled from wall outlet.
Plug in power cord.
Power outage.
Push On/Off Button to turn off
unit.
Push On/Off Button to restart
unit when power comes back on.
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 6
“The Proper Location”.
Compressor malfunction
Service required.
Table 2: Concentrator Running
Symptom
Probable Cause
Remedy
No oxygen / flow
(see Alarm Indications in
Table on Page 11)
Tubing blocked or kinked
Clean or replace tubing.
Remove tube kink.
Air Inlet Filter blocked
Clean air inlet filter.
Internal component malfunction
Service required.
Low oxygen / flow
(see Alarm Indications in
Table on Page 11)
Restriction in tubing.
Repair or replace as required.
Air Inlet Filter restricted
Clean air inlet filter.
Internal component worn or
malfunctioning
Service required.
Yellow Light On
Button is stuck
Service required.
Flow Rate not visible on
Flow Indicator Display
LCD malfunction
Service required.
Audible Alarm
Red Light On
Flow Indicator Blank
Back Light On
System malfunction
Remove power cord from wall
outlet.
Service required.