Presents as: The air purifier shows a “- - -” error on its display.
Solution: This is most likely caused by the filter cover not being closed properly. Check that the filter cover is installed correctly and is closed.
Error code: [E2]
Presents as: The air purifier shows a “E2” error on its display.
Solution: The “E2” error message usually refers to the air purifier’s fan being blocked. Have the user remove the filter, check that nothing is blocking the fan, and reinsert the filter.