The air purifier emits a loud noise and/or flapping sound continuously occurs from the motor/fan area.Updated 17 days ago
STEP 1: Check if the customer removed the plastic cover of the filter, if not, need to remove
STEP 2: Do a visual check whether any foreign objects/insects are stuck inside
STEP 3. Remove the filter and turn it upside down, shake it to see if any foreign objects are inside or not
STEP 4: Reinstall the filter and turn the unit off and on again
STEP 5: If the issue persists, please take a video (30 seconds to 1 minute) clearly showing the problem. Once done, please get in touch with our customer support team at https://support.sterra.sg/en-US/ssp/login and send the video for further help. We are here to assist you in resolving any issues. Thank you!