I noticed a puddle of water under my Amana refrigerator a few weeks ago. I couldn't find a drip pan. All seemed OK, then a couple weeks ago the freezer section which is under the fridge section was full of frost. This is a frost free unit, and has been frost free for about 20 years. After a week, more frost around the door. Yesterday I discovered that the fridge section on top was nearly room temperature. I put in a thermometer made for that purpose and found it to be 60+ deg F.
The freezer part has a thermostat, but the fridge part has only a knob that seems to control the amount of air coming up from the freezer in a rectangular pipe about 1" by 4". Very little air seemed to be coming up. The schematic on the back of the unit seemed to show 2 fans. The one at the bottom that blows across the compressor was changed about 5 years ago and is still working. I didn't know the location of the other fan. I turned off the unit, unloaded the freezer section into coolers and cardboard boxes and went looking at new fridges. Yikes, $1150 for the cheapest in my size.
Coming back home in 2-3 hours, I found a small amount of water on the floor as I expected, but the air flow had not improved. There is a panel on the back of the freezer with an air outlet at the top. Plenty of cool air coming out there. I removed the panel to discover that the second fan is there, and it also blows up into the rectangular pipe. A small block of ice was on the left side, behind the panel. Nothing seemed to be blocking the rectangular pipe, so why no air flow? I found the answer when I removed the left crisper. A box 4" by 4" by 1/2" had slipped down behind the left crisper and blocked the only air return "duct".
After an hour running with the freezer air outlet taped up, the fridge was down to 50 deg. After 3 hours it was 35 deg (the middle of the "normal" range). This was with the air knob all the way cold.
Question 1: Would you consider drilling holes on the right side to make a matching air return there?
Question 2: Do you think there is still something wrong that needs to be addressed?
"Almost" Good Answers: