3B Medical Cirrus 5 - User Manual

Questions and Answers

J
jameswalkerAug 12, 2025
What to do if my 3B Medical Equipment has no operation after power is connected and the P.F. lamp is lit?
- M
  Michael HuntAug 12, 2025
  If your 3B Medical Equipment shows no operation after connecting to power and the P.F. lamp is lit, with an audible alarm, it could be due to several reasons: * There might be no connection between the oxygen concentrator circuit and the power source. In this case, check all power connections. * The fuse may be blown. If so, replace the fuse. * There may be no power supply.
A
Angela AndersonAug 15, 2025
Why is there no oxygen flow out of my 3B Medical Equipment flowmeter?
- T
  Tina LinAug 16, 2025
  If there's no oxygen flow or a low outtake flow from your 3B Medical Equipment flowmeter, consider these possibilities: * The tubing might be crimped or occluded. Check the tubing for any obstructions. * The filter could be clogged. Inspect the air intake filter. * The humidifier may be leaking. Ensure the humidifier connections and lid are properly connected.
T
Theresa StuartAug 19, 2025
What to do if my 3B Medical Equipment is working but the L.P. lamp is lit with audible alarm?
- H
  Hannah McdonaldAug 20, 2025
  If your 3B Medical Equipment is working but the L.P. lamp is lit with an audible alarm, it indicates that the system pressure is too low. Turn off the oxygen concentrator and consult your Equipment Provider.
S
Stephanie ParkerAug 23, 2025
What to do if my 3B Medical Equipment has stopped and the H.P. lamp is light with audible alarm?
- C
  cphillipsAug 23, 2025
  If your 3B Medical Equipment has stopped and the H.P. lamp is lit with an audible alarm, it means the system pressure is too high. Turn off the oxygen concentrator and consult your Equipment Provider.
B
Barbara CharlesAug 27, 2025
What to do if my 3B Medical Equipment has stopped and the H.T. lamp is lit with audible alarm?
- R
  Rebecca CoffeyAug 27, 2025
  If your 3B Medical Equipment has stopped and the H.T. lamp is lit accompanied by an audible alarm, it signifies that the internal temperature of the oxygen concentrator is too high. Turn off the oxygen concentrator and consult your Equipment Provider.
C
Casey RussellAug 31, 2025
What to do if my 3B Medical Equipment is working but the L.O lamp is 2 light?
- A
  Andrea GuzmanAug 31, 2025
  If your 3B Medical Equipment is working but the L.O lamp is lit, it indicates that the oxygen concentration is too low. Turn off the oxygen concentrator and consult your Equipment Provider.
A
Andrea HoldenSep 3, 2025
Why is there no exhaust sound from my 3B Medical Equipment?
- R
  Ronald RiosSep 3, 2025
  If there's no exhaust sound from your 3B Medical Equipment, it could be due to: * A defective air controller. * A defective electrical control board. In either case, turn off the oxygen concentrator and consult your Equipment Provider.
D
Daniel HillSep 7, 2025
Why is the exhaust flow noisy in my 3B Medical Equipment?
- J
  John NunezSep 7, 2025
  If you notice a noisy exhaust flow in your 3B Medical Equipment, it could be related to: * The outlet flow muffler. Turn off the oxygen concentrator and consult your Equipment Provider.

Summary

Safety and Environmental Precautions

Safety Notice and Warnings

Details critical safety notices, warnings, and cautions for operating the oxygen concentrator safely.

Technical Parameters

Structures and Functions

Operation Instructions

Connecting Cannula and Tubing

Instructions on connecting the nasal oxygen cannula and tubing to the humidifier or concentrator.

Connecting Power and Turning On

Steps for plugging in the power cord and turning the unit on via the I/O switch.

Setting Oxygen Flow Rate

How to adjust the oxygen flow rate using the flow meter knob.

Turning Off and Storing

Alarms and Safety Devices

Alarm Conditions

Details the different alarm conditions: power failure, low/high pressure, low oxygen, temperature.

Safety Devices

Describes the built-in safety features like compressor motor thermal safety and safety valve.

Maintenance

Cleaning Air Intake Filters

Cleaning Secondary Filter

Troubleshooting

No Operation with Power and Alarm

No Oxygen Flow or Low Flow

Diagnosing and resolving issues with no oxygen flow or low flow rate from the flowmeter.

Low Pressure Alarm Active

High Temperature Alarm

Steps to take when the unit stops due to a high temperature alarm.

Low Oxygen Concentration Indicator

Addressing the condition where the low oxygen indicator lamp is lit.

3B Medical Cirrus 5 Specifications

General

Pressure Range	4-20 cm H2O
Data Storage	SD Card
Dimensions	12.5 x 12.5 x 6.5 inches
Weight	3.5 lbs
Altitude Compensation	Automatic
Therapy Modes	CPAP, APAP
Ramp	0-45 min
Sound Level	26 dB
Noise Level	26 dB
Operating Temperature	41°F to 95°F
Power Source	AC/DC