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Dometic NDA1402 (1202?) Freezer side not cold enough


Rthomp1122

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We have a Dometic NDA1202 Refrigerator in our 08 Diplomat 40SKQ. The refrigerator side temp is adjustable and is working great on both Gas and electricity. we're having trouble with the freezer. It runs around 25 to 30 degrees, and it is not adjustable.  It is supposed to come preset from the factory at 0 degrees when using elect. and 7 degrees when on gas.  It was working fine until about a month ago. There are no codes We keep the coach plugged into shore power when sitting at home. Does anyone have any experience with this model?

Thanks,

Rich

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16 hours ago, Rthomp1122 said:

We have a Dometic NDA1202  Does anyone have any experience with this model?

Thanks,

Rich

Never heard of it. Thinking you may be talking NDA 1402?

Is the fridge level where you park?

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Don't know which Auburn your in but I would call ES Appliance Repair in Mesa AZ. Eric has been great to us and anyone we have recommended him too. Tells you straight up whether fixable or not. 480-207-8999 call or text. Good Luck, Don

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  • Tom Cherry changed the title to Dometic NDA1402 (1202?) Freezer side not cold enough

Assume you might mean the 1402.  Had one.  It was not always the coldest and was very vulnerable, as to recovery, when you loaded the fresh side.  Replaced with a Samsung.

DID a LOT of things to it to improve it....  Attached is the Service Manual...the latest one.  You may or may not have run through the entire reset or reboot.  That should give you some codes....or at least it did on mine on occasion.  Do the complete reboot and diagnostic routine.... Good Luck.

This is also in our FILES.  Use Dometic as the Key Word Search.  Two Choices...  Click on Everywhere and choose FILES.  Then you will find the manual there.

BUT, if you want to search the TOPICS.  Use the Following   DOMETIC 1402 or DOMETIC FREEZER...  maybe some others.  This time us TOPICS and you will get all the topics and posts.  Don't remember if this has come up, but this would be the best research approach here.

BTW, if is a requirement of starting a new thread, to do a SEARCH.  This is how you do it, for future reference.

NEW & Released Dometic-NDA1402-Service-Manual.pdf

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Hello Rich,

We also have the Dometic 1402 in our 2008 Diplomat (ice maker & dispenser died so we just recently removed both). We’ve also had some issues from time to time with both fridge & freezer not getting cold enough. Found that the automatic defrost cycle was not functioning, so we ended up with major frost on fins in fridge, & the freezer had solid ice in the top rear & right side. Took all day with a hair dryer to melt all of the ice & another 24 hours to get temps down enough to load in food.

Long story short: make sure you don’t have frost/ice buildup, and that your defrost cycle is functioning. Otherwise, you will have to do as we now do, and start a manual defrost cycle on a regular basis to keep it running properly. Eventually, we’ll end up replacing it with a residential unit similar to one that Tom Cherry put in his.

Best of luck!

Patti

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