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OT handymen: freezer freezing up vents, causing fridge to lose cooling. Help?

Posted on 3/13/14 at 7:42 pm
Posted by fr33manator
Baton Rouge
Member since Oct 2010
124307 posts
Posted on 3/13/14 at 7:42 pm
It's a maytag with the freezer on the bottom and French door fridge on top. Started freezing up the vents on the bottom about a year ago. Ice forms and the cold air can't get to the fridge. Also starts icing up around the seal for the freezer.

I go in there with a hair dryer or heat gun and defrost it and it works again but it's becoming more frequent. Advice? (Aside from getting a new one) it's only about 5 years old
This post was edited on 3/13/14 at 8:32 pm
Posted by fr33manator
Baton Rouge
Member since Oct 2010
124307 posts
Posted on 3/13/14 at 8:02 pm to
Le bump
Posted by Huck Finn
Baton Rouge
Member since Jul 2009
2458 posts
Posted on 3/13/14 at 8:25 pm to
I don't have a much experience here, but your joke was the best one in the kige thread, so here goes:
Is ice forming on the vents themselves? What refrigeration setting do you have it on? If you set it to slightly less cool, does this all happen? Is the water for that ice coming from condensation, or possibly a leak somewhere?
Posted by Croacka
Denham Springs
Member since Dec 2008
61441 posts
Posted on 3/13/14 at 8:26 pm to
Defrost heater maybe
Posted by Traffic Circle
Down the Rabbit Hole
Member since Nov 2013
4256 posts
Posted on 3/13/14 at 8:26 pm to
Time for new fridge?
Posted by Croacka
Denham Springs
Member since Dec 2008
61441 posts
Posted on 3/13/14 at 8:27 pm to
I changed mine myself for 18 bucks

Could also be a thermistor (temperature sensor), they are cheap also
Posted by Marco Esquandolas
Member since Jul 2013
11427 posts
Posted on 3/13/14 at 8:30 pm to
I am going through EXACTLY what you are. The walls probably have water that has built up in them and it is time to replace. I have a Profile that is 5 years old and the repair man has been out already.
Posted by Croacka
Denham Springs
Member since Dec 2008
61441 posts
Posted on 3/13/14 at 8:31 pm to
Design life of appliances ain't what it used to be


Too many parts and too many circuit boards

6-8 years is probably avg life not
Posted by StinkDog12
TW, TX
Member since Nov 2006
4753 posts
Posted on 3/13/14 at 8:32 pm to
My guess is that the door gasket is letting air in OR the door is not closing good.

When you get air from you home pulled into the freezer at a small rate, the freezer can maintain it's freezing temps but the moisture in the air coming starts to build up and freeze in places.

Just my guess based on past experience with a freezer that had a warped door gasket that had to be replaced.

ETA...replaced door gasket and the problem was resolved.
This post was edited on 3/13/14 at 8:34 pm
Posted by JasonL79
Member since Jan 2010
6397 posts
Posted on 3/13/14 at 8:34 pm to
quote:

Defrost heater maybe


This would be my guess. Either that or the defrost timer which tells it to go into defrost. Sounds like it's not going into defrost. When that happens, the coils freeze up and it will not allow air to travel through the coils.
This post was edited on 3/13/14 at 8:37 pm
Posted by fr33manator
Baton Rouge
Member since Oct 2010
124307 posts
Posted on 3/13/14 at 8:34 pm to
quote:

Is ice forming on the vents themselves? What refrigeration setting do you have it on? If you set it to slightly less cool, does this all happen? Is the water for that ice coming from condensation, or possibly a leak somewhere?


On the little metal fins


And also around the seal
This post was edited on 3/13/14 at 8:36 pm
Posted by Cockopotamus
Member since Jan 2013
15737 posts
Posted on 3/13/14 at 8:42 pm to
I had this problem last year, although my freezer was on top and fridge below and my fridge was a lot older than yours.

Check to see if the freezer has a fan that pushes the cold air into the fridge. If it does I'm willing to bet its not working.

For shits and gigs though throw a bottle of vodka in the freezer and it'll turn into a slushy.
Posted by Huck Finn
Baton Rouge
Member since Jul 2009
2458 posts
Posted on 3/13/14 at 8:43 pm to
Checking the door seals is a good idea. That moisture is coming from somewhere... Sure hope it's not built up in the wall like the other poster mentioned. Also, check the fridge door seal (not just the freezer door.
Posted by Huck Finn
Baton Rouge
Member since Jul 2009
2458 posts
Posted on 3/13/14 at 8:58 pm to
Did you get a chance to take the housing off the evaporator? How much ice is there? Bad evaporator fan motor or defrost timer /switch are also possibilities. That seal is worth checking into, though.
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