If the outdoor unit is installed on the rooftop and there is no rainwater trap[U trap] for the connected pipe, then rain water can flow through the hole connecting the indoor unit to the indoor space.
Try this
Check the installation type of the connected pipe.
In case of new installation or moving installation, you are recommended to contact the installation store
and get necessary remedies.
If you are unable to check the information about the installation store, then go to the homepage and see
[Service Manager Visit Reservation] for inspection.
This guide was created for all models, so the images or content may be different from your product.
