How to fix JUMAO Medical Equipment when concentrator works, but yellow light illuminates?
- FfreemandennisAug 5, 2025
If your JUMAO Medical Equipment concentrator's oxygen concentration is decreasing but still within a safe range, try cleaning or replacing the filters. Also, ensure the unit has enough ventilation by moving it at least 10 cm (4 inches) away from walls, draperies, furniture, or similar obstructions.

