6. TROUBLESHOOTING
21
Symptom
Possible Causes
Solution
Concentrator works, but
yellow light is on.
1) Concentrator’s oxygen
concentration is safe but is
decreasing.
1) Clean or replace filters.
2) Unit is overheating due
to blocked air intake.
2) Move concentrator at
least 10 cm (4 inches) away
from walls, draperies,
furniture, or similar surfaces.
3) Concentrator is safe to use, but if condition persists,
contact equipment provider immediately.
Concentrator doesn’t
work, red light
illuminates, continuous
audible alarm sounds.
1) Low pressure
1) Clean or replace filters.
If condition persists,
discontinue use and contact
equipment provider
immediately.
2) High pressure
2) Contact equipment
provider immediately.
3) If condition persists, contact equipment provider
immediately.
Concentrator doesn’t
work, continuous
audible alarm sounds.
1) Compressor open circuit
alarm.
2) Compressor short circuit
alarm.
Contact equipment provider
immediately.
NOTE:
If you experience a problem with your concentrator and are unable to
resolve it using the troubleshooting steps above, contact the equipment provider
from whom you purchased the concentrator.
