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Please note, UMC UK LTD was acquired by Sharp Corporation. During the transition, any transactions or correspondence with us may be from either UMC UK LTD or Sharp Consumer Electronics UK LTD.


Air Purifier Frequently Asked Questions

We have set up this page to assist with most common queries in order to give you immediate support.

If your enquiry is not related to any of the below, please complete the feedback form by following the link at the bottom if this page.

Please note if you complete the feedback form but we believe the answer is already covered below, you may not receive a reply to your enquiry. We aim to respond to any feedback forms the same day we receive them, however, please allow up to 1 working day for a reply.

Click on the link relevant to your enquiry to expand it further. Although they are in no particular order or preference, please take a few minutes to read the section most relevant.

Odours and smoke are not removed from the air being circulated through the Air Purifier
  • Clean or replace the filters if they appear to be heavily soiled.

The Dust/Odour Monitor lights up green even when the air is impure
  • The air could be impure at the time the unit was plugged in. Unplug the unit, wait one minute, and plug the unit in again.

The Dust/Odour Monitor lights up orange or red even when the air is clean
  • Sensor operation is affected if the dust sensor openings are dirty or clogged. Gently clean the dust sensors.

A clicking or ticking sound is heard from the unit
  • Clicking or ticking sounds may be audible when the unit is generating ions, this is normal.

The discharged air has an odour (it smells)
  • Check to see if the filters are heavily soiled.
    Clean or replace the filters.
    Plasma cluster Air Purifiers emit small traces of ozone which may produce an odour, this is normal.

The unit does not operate when cigarette smoke is in the air
  • Is the unit installed in a location that is difficult for sensor to detect cigarette smoke? Are the dust sensor openings blocked or clogged? If this is the case, clean the openings.

Filter Indicator Light is illuminated
  • This means that the filters require changing. After replacing the filters, connect the mains supply and press the Filter Reset Button.

The Dust/Odour Monitor are turned off
  • Check to see if the Lights OFF Mode selected. If so, then press the Lights Control Button to activate the indicator lights.

The Water Supply Indicator Light does not illuminate when the tank is empty
  • Check the Styrofoam float for impurities.
    Clean the Humidifying Tray.
    Ensure unit is located on a level surface.

Water lever in the tank does not decrease or decreases slowly.
  • Check to see if the Humidifying Tray and Water Tank are correctly installed.
    Check the Humidifying Filter.
    Clean or replace the filter when it is heavily soiled.

The Dust/Odour Monitor lights change colour frequently
  • The Front Monitor lights will automatically change colour as impurities are detected by the dust sensor and odour sensor. This is normal.

If your enquiry is not related to any of the above topics or the solution offered does not answer your enquiry, please click here to complete the feedback form.
You will be asked to supply the make, model and serial number before we can reply.