Another problem here and found out on the land yacht's maiden voyage that the 4 door Norcold in never cold and now using the freezer area for the fridge. So, I know this has been around a number of t...
After you've cleaned it and installed a fan and it still doesn't cool properly, watch THIS video and see if it doesn't help. If it's still a no go, then you have to choose one of your other options.