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No Mist Coming Out

This is the most common issue and is almost always caused by a clogged mesh or incorrect assembly. Step-by-step fix:
  1. Check the mesh — hold the nebulizer up to a light and look through the mesh. If it appears cloudy or has visible residue, it needs cleaning.
  2. Clean the mesh — rinse the mesh under warm running water for 30–60 seconds. Gently agitate with a soft brush if residue is stubborn. Do not use sharp objects.
  3. Soak if needed — soak the mesh component in white vinegar or citric acid solution for 15–20 minutes to dissolve mineral deposits from tap water or medication residue.
  4. Check assembly — ensure the medication cup and mesh component are properly seated and locked. A loose connection prevents the mesh from vibrating.
  5. Check battery/charge — a low battery can reduce vibration power below the threshold needed for mist generation. Charge fully before use.

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Weak or Reduced Mist Output

  • Medication cup not filled adequately — the cup needs to have enough liquid to cover the mesh. Check fill level.
  • Thick medication — some formulations are more viscous. Try diluting with normal saline as directed by your physician.
  • Partially clogged mesh — follow the cleaning steps above.
  • Low battery — charge fully. A weak charge can reduce mesh vibration frequency.

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Device Won’t Turn On

  • Battery fully discharged — connect to USB-C charger and charge for at least 30 minutes before attempting to use.
  • Charging cable issue — try a different USB-C cable or port.
  • Button not pressed correctly — press and hold the power button for 2 seconds (not a brief tap).

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Device Turns Off Mid-Treatment

  • Auto-shutoff activated — the MistPro has an auto-shutoff feature that activates when the medication cup is empty or after a set treatment duration.
  • Low battery — charge before your next treatment.
  • Overheating — allow the device to cool for 5 minutes if used multiple times in quick succession.

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Medication Leaking

  • Cup overfilled — do not fill above the maximum fill line.
  • Cup not properly sealed — ensure the cup is fully clicked into place.
  • Using device at angle — for best results, keep the device as upright as possible during treatment.

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Unusual Noise During Use

The MistPro operates near-silently. Any unusual noise may indicate:
  • Debris in the medication cup — rinse and inspect the cup.
  • Loose component — check that all parts are fully assembled and secure.
  • Foreign object in mesh — inspect and rinse thoroughly.

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Cleaning & Maintenance (Prevention)

Regular cleaning prevents most MistPro issues:
Never use bleach, alcohol above 70%, or abrasive cleaning tools on the mesh. These can damage the mesh holes and compromise mist particle size.

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When to Contact SonoHealth Support

Contact SonoHealth if:
  • Cleaning does not restore mist output
  • Device does not charge
  • Device shows physical damage
  • You are within the 2-year warranty period and suspect a defect
The MistPro is covered by a 2-year manufacturer warranty for defects under normal use. Contact: sonohealth.com/contact

Shop MistPro Mesh Nebulizer

FDA-Approved · 2-Year Warranty · $69