I appreciate the answer! Sounds like we will have a bit of work ahead of us, but good to know how to solve. In the meantime, can I assume that while this is bothersome, this won't impact other areas of operation negatively? I will definitely dethaw, but need flexibility on timing.
I have a related question - the temperature in the fridge is now too high. Yesterday, the setting read 46 degrees. This morning up to 47 degrees. Related issue? Or a new problem?
So, given the other issue, you're pretty sure that the rise in temp is caused by that - and not by another cause? Are there many other potential issues that cause the thermostat to be off only on fridge side - and not the freezer side? If the ice is the most likely cause, I guess I have my work cut out for me in the next several days.