Frigidaire FRS26F4C Side by Side Refrigerator "frs26" Questions

Got a frigidaire frs26 side by side, seems like everything is running ok except for a buzzing sound every 3-5 min, noticed that the ice were melting and water on the floor and now it is totally warm, ...

We have a Frigidaire Model FRS26 ZSEB4 with a clogged drain plug in the freezer. How do we unplug it? The drain in the freezer behind back lower panel needs opening. You can see it at the bottom of ...