Concentrator troubleshooting

Machine not working when turned on: audible alarm

Probable cause

Electrical lead not inserted in machine.

Solution

Insert lead correctly and the machine should work.


Probable cause

Power cord not properly inserted into the electrical outlet.

Solution

Make sure the device is properly plugged into the electrical outlet.


Probable cause

No power from the electrical socket.

Solution

Check your household outlet fuse or circuit breaker and reset if necessary. Use a different socket if this occurs again. Switch to the back-up cylinder in the event of a power failure.


Probable cause

Internal part failure.

Solution

Contact us immediately.

Low oxygen (amber light) activated

Probable cause

Air flow to device impeded or blocked.

Solution

Check the condition of the air inlet filter and clean or replace as necessary. Remove any items that appear to be restricting ventilation around the machine.


Probable cause

Oxygen tubing kinked and blocking the delivery of oxygen.

Solution

Check that the tubing or cannula are not kinked or blocked. Replace if necessary.


Probable cause

Wall tap, if fitted is switched off.

Solution

Ensure correct outlet is selected. If amber light persists call us.


Probable cause

Flowmeter set to zero.

Solution

Turn adjustment knob anti-clockwise to correct flow setting.


Probable cause

Cannula blocked.

Solution

Inspect, clean or replace cannula as required.


Probable cause

Faulty oxygen tubing or face mask.

Solution

Inspect and replace if necessary.

Machine operating with green power light and red warning light on with audible alarm sounding (Millennium and DeVilbiss models only)

Probable cause

Air flow to device impeded or blocked.

Solution

Check the condition of the air inlet filter and clean or replace as necessary. Remove any items that appear to be restricting ventilation around the machine.


Probable cause

Oxygen tubing kinked and blocking the delivery of oxygen.

Solution

Check that the tubing or cannula are not kinked or blocked. Replace if necessary.


Probable cause

Flowmeter set to zero.

Solution

Turn adjustment knob anti-clockwise to correct flow setting.


Probable cause

Cannula blocked.

Solution

Inspect, clean or replace cannula as required.


Probable cause

Air filter blocked.

Solution

Check Air filter, replace with spare and wash if necessary.


Probable cause

Faulty oxygen tubing or face mask.

Solution

Inspect and replace if necessary.

Limited flow

Probable cause

Faulty oxygen tubing or face mask.

Solution

Inspect and replace if necessary.


Probable cause

Wall taps if fitted, switched off.

Solution

Switch on one wall tap.

For all other problems please call us on 0800 373 580

    Re-Ordering Oxygen Cylinders, Liquid Oxygen or Consumables

    To request replacement oxygen cylinders, nasal prongs, mask or consumables, please complete the form below. Please note that orders received after 6.30pm will be processed the next day:

    Do you or anyone in your household have cold or flu symptoms?


    If you are requesting a cylinder delivery you can chose a day for your delivery.

    Monday-Friday for North West patients or seven days a week in other areas.


    Please let us know your requirements:

    Large Static Cylinder

    Large static cylinder
    Used in the home, often for babies and children, Cluster Headache diagnosis or emergency oxygen

    Portable Cylinder

    Portable cylinder
    Used to move around inside/outside of the home

    Small Portable Cylinder

    Small portable cylinder
    Only available after a professional medical assessment

    Liquid Oxygen Tank

    Liquid oxygen tank

    Adult Cannula (Curved)
    Adult Cannula (Straight)
    Adult Mask
    Ear Protectors
    Paediatric Cannula
    Paediatric Mask
    Filter for Oxygen Machine
    Tender Grips

    Any other comments


    *required fields

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