Solution
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Verify Mode Selection and Water Amount
Confirm you have selected Auto or Sterilization Only mode, and pour exactly 120 mL (4 oz) of clean water onto the cooled heater surface. Do not add more or less water than specified, as this will affect steam production.
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Check Assembly and Bottle Placement
Ensure the bottle chamber, bottle rack plate, upper rack, drip tray, and lid are all securely assembled. Place clean, empty bottles with their openings facing downward, and do not block the steam path.
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Inspect and Clean the Heater Surface
After the unit cools, inspect the heater surface for thick scale, white powder, milk residue, or burned-on deposits. Clean or descale it before one unloaded test with the correct water amount..
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Confirm Steam Production Safely
Some steam remains inside the closed chamber, so do not place your face or hand near the lid to check. Observe whether the indicator remains active, the water warms, and the water level decreases.
Note
If the water remains cold, no steam is produced, or the cycle finishes without using water after completing the above steps, please contact Momcozy Customer Support with the following information:
- Product label, selected mode, water amount
- A short video from a safe distance