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Old 06-20-2020, 05:49 PM   #1
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Fridge too cold

My 2019 16' Sport has a fridge (Dometic) that the manual says is non-adjustable. It's too cold: things freeze in there.


Any ideas about making it a tad less cold?



Many thanks!!
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Old 06-20-2020, 06:22 PM   #2
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We replaced our old fridge with a new Dometic in our 2008 16’ International 2 years ago and have exactly the same problem. Great for beverages, making ice cubes and keeping frozen food frozen, but a problem for lettuce and fruit! Looking forward to any suggestions.
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Old 06-20-2020, 06:34 PM   #3
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Put in large containers of cold water, like quart-sized deli containers with lids, and monitor the temp carefully with a good quality thermometer. The added thermal mass will at least even out the temperature swings. Once you get the hang of it, you should be able to add the right quantity of water periodically to come close IMO.

So you don't have the small thermistor device, on the cooling fins in the back of the fridge, which you could slide down for warmer internal temp?

https://www.google.com/search?q=ther...=airforums.com

Call the dealer and ask for a new adjustable fridge, and ask AS to pay for IMO.

Good luck,
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Old 06-20-2020, 06:41 PM   #4
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PS -- You could gear up and get a LaCrosse indoor/outdoor thermometer with separate sensors in the fridge and freezer, so you don't have to open the door(s) often. We use this at home in the winter, to monitor the crawl space etc. to prevent pipe freeze-ups. Right now there is a sensor in the AS fridge, because we are getting ready for a trip. As I sit here typing, that internal fridge temp is 33.9F [because I also stuck some frozen blue ice in there this afternoon to pre-chill the unit -- no food yet]

https://www.amazon.com/Crosse-Techno...2700212&sr=8-3

Works great!

Also, you could pre-chill [not freeze] large blocks of blue ice to use as an easier thermal mass [instead of the deli containers]. If the fridge is still getting too cold, then add room-temp blue ice to prevent freezing temps. A work in progress, but that LaCrosse thermometer will at least let you monitor things without going nuts!



Good luck,
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Old 06-21-2020, 05:03 PM   #5
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Peter, thanks for the thermistor reminder. Ours was slid up against the bottom of the freezer so I slid it down as low on the fins as possible and we'll see how that goes. We have an Accu-Rite temperature monitor with a sensor located in the freezer and the second in the main compartment. Works great, just been telling us that the freezer is a nice 30-31 degrees F and the main compartment only a degree or two warmer. And since it is a small refrigerator, we have a lot of thermal mass, the fridge is always fully loaded! Thanks, Jim
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Old 06-23-2020, 05:45 AM   #6
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Fridge too cold

This has been a gem for me keeps air glowing so not to get cold spots. Its small fits easily on shelf or in door.Click image for larger version

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Old 06-23-2020, 08:25 AM   #7
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Add warm beer. The energy’s required to chill the beer will raise the temperature of the fridge. Remove the beer once chilled. Replace with warm beer. Consume chilled beer. Repeat all summer and everything will be great.
For units that don’t get cold enough try bourbon.
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Old 06-23-2020, 08:38 AM   #8
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Quote:
Originally Posted by sdwilsonsct View Post
. . .
Any ideas about making it a tad less cold?
. . .
Any of these ideas making sense to you the OP?

[too cool!]

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Old 06-24-2020, 09:50 AM   #9
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Quote:
Originally Posted by OTRA15 View Post
Any of these ideas making sense to you the OP?

Yes! Thanks to everyone for these practical ideas.


I looked into the thermistor adjustment already, it didn't help.


The fan looks good. The beer looks better.


Research will be conducted on this weekend's trip.
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Old 06-24-2020, 11:21 AM   #10
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Beer is a winner
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Old 06-24-2020, 12:18 PM   #11
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Thumbs up

. . . and if the fridge doesn't stop getting too cold, it means you are not adding warm beer fast enough . . . drink more beer faster!

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Old 06-24-2020, 04:42 PM   #12
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Originally Posted by sdwilsonsct View Post
. . .
I looked into the thermistor adjustment already, it didn't help.
. . .
Are you saying that you have a thermistor, moved it, and saw no change at all in the interior temp of the fridge, using an accurate thermometer inside? Did you wait 24 hours, without adding anything to the fridge, to let the system stabilize? It seems unlikely that moving the thermistor would have resulted in no change IMO.

Or do you not have a thermistor per your OP?

Quote:
Originally Posted by sdwilsonsct View Post
My 2019 16' Sport has a fridge (Dometic) that the manual says is non-adjustable.
. . .
Is it possible that the fridge's control circuit board is bad? How about your dealer or Airstream . . . did they have any suggestions?

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Old 06-24-2020, 05:41 PM   #13
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Food needs to be not packed together tightly items need to have circulation so not to end up with cold / Ice spots. Keep items away from fins.
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Old 06-25-2020, 05:18 PM   #14
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Originally Posted by OTRA15 View Post
Are you saying that you have a thermistor, moved it, and saw no change at all in the interior temp of the fridge, using an accurate thermometer inside?

Hi Peter,


The last time I looked into this I was unable to locate a thermistor and assumed it didn't exist. Today, however, I found it on the inside of the fridge. I had been looking on the outside...


Now I have adjusted it and will report back.


Thanks to you and SilverBullet for commenting.


Scott
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Old 06-25-2020, 06:04 PM   #15
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Originally Posted by sdwilsonsct View Post
. . .
The last time I looked into this I was unable to locate a thermistor and assumed it didn't exist. Today, however, I found it on the inside of the fridge. I had been looking on the outside...

Now I have adjusted it and will report back.
. . .
Thanks for the update . . . had you checked the search results in Post #3?

Quote:
Originally Posted by OTRA15 View Post
. . .
So you don't have the small thermistor device, on the cooling fins in the back of the fridge, which you could slide down for warmer internal temp?

https://www.google.com/search?q=ther...=airforums.com
. . .
Also, either your AS owner's manual or the Dometic instruction book in your AS briefcase should reference the thermistor someplace IMO.

Good luck,
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Old 07-02-2020, 12:12 PM   #16
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Yes, I read the link in Post 3. Neither the AS or Dometic manual mentions the thermistor.



Moving the thermistor helped a little. Things are still freezing in the fridge, but not as hard.


I'll contact AS, etc.
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Old 07-26-2020, 12:01 PM   #17
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I just did a 3-night solo trip with the fridge pretty empty. Nothing froze, suggesting that it might be an air circulation issue.


An interior fan is ordered...
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Old 07-26-2020, 01:52 PM   #18
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Thanks for the update. It helps to have a good quantity of "thermal mass" in both the fridge and freezer to dampen the extreme temperature swings of this very simple [ . . . and "dumb" in anthropomorphic terms . . . ] machine. An empty fridge will usually freeze things at times, even if it is adjusted well IMO.

Blocks of pre-chilled blue ice in both locations work great, as do bottles of cold water in the fridge . . . anything to even out the internal temps. A small bag of ice works well in the fridge also [sitting in a pot/bowl to contain the inevitable melt water -- after the melt, put the still-cold bag in the freezer to re-freeze . . . ].

It sounds like your thermistor adjustment did the trick . . . now to just even out the temperature swings with some [already-cold] thermal mass.

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Old 07-26-2020, 02:08 PM   #19
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Originally Posted by sdwilsonsct View Post
I just did a 3-night solo trip with the fridge pretty empty. Nothing froze, suggesting that it might be an air circulation issue.


An interior fan is ordered...
Yep. Even with a thermostatic controlled fridge you need a fan, because there are colder spots. You can get expensive ones or inexpensive one. I bought a portable that was about $20. It just does enough to circulate air and keep the temp even.
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