ac unit running outside but no air coming in through vents

From https://www.justanswer.com/ythi
JustAnswer Customer: ac unit running outside but no air coming in through vents?
BillyHvac: Journeyman HVAC Tech: Hello, Is the indoor blower running?
BillyHvac: Journeyman HVAC Tech: Billy
JustAnswer Customer: Not sure what that means, when I put the fan on I hear it up in the attic but again no air comes out of the vents
BillyHvac: Journeyman HVAC Tech: Thank you.
BillyHvac: Journeyman HVAC Tech: Is there frost or ice on the pipes outside that run from the attic unit to outdoor unit?
BillyHvac: Journeyman HVAC Tech: Especially the one with black rubber?
JustAnswer Customer: No
BillyHvac: Journeyman HVAC Tech: Thank you.
BillyHvac: Journeyman HVAC Tech: Last time you changed filter?
JustAnswer Customer: Yes there was Sorry we had rain today and I didn't see it at first
BillyHvac: Journeyman HVAC Tech: Ok so ice is on the pipe?
JustAnswer Customer: Yes
BillyHvac: Journeyman HVAC Tech: Ok, first of all.turn cooling switch to off.
BillyHvac: Journeyman HVAC Tech: turn fan switch to on.
BillyHvac: Journeyman HVAC Tech: The reason you do not feel air is because the indoor coil is frozen over.
BillyHvac: Journeyman HVAC Tech: Can you tell me if filter is clean?
JustAnswer Customer: Where is the filter?
BillyHvac: Journeyman HVAC Tech: Ok, That is likely the issue if the location is not known.
BillyHvac: Journeyman HVAC Tech: Being an attic unit it could be in a ceiling register.or up in the duct in the attic itself.
BillyHvac: Journeyman HVAC Tech: A plugged filter is the number one reason for freeze up.
BillyHvac: Journeyman HVAC Tech: Run the fan in on for an hour.
BillyHvac: Journeyman HVAC Tech: Locate filter and clean or replace.turn back to cool in an hour and you should be all set.
BillyHvac: Journeyman HVAC Tech: You will gradually feel more air flow as the ice melts Billy
JustAnswer Customer: Thank you so much!
JustAnswer Customer: Hopefully this works being that my filter was DISGUSTING.
JustAnswer Customer: I am assuming it is a filter for example 12 x 20 x1?
BillyHvac: Journeyman HVAC Tech: You are correct.
BillyHvac: Journeyman HVAC Tech: Soon you feel greatair flow and comfortable cooling.
BillyHvac: Journeyman HVAC Tech: Once the coil is clear and clean filter it will make a world of difference I wish you a happy 4th!
BillyHvac: Journeyman HVAC Tech: Billy
Pearl Wilson: Assistant: If you have a home improvement or appliance question and want to chat with an expert now visit justanswer.com/ythi