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Old 09-30-2015, 09:47 AM   #1
Join Date: Mar 2011
Posts: 89
Norcold Fridge AC HE error with Dinosaur board

I have a Norcold 1200LRIM fridge, with a Dinosaur board that I'm having issues with.

What started was I moved the RV, and after I re-plugged it in the fridge errored out with an AC LO error. I double-checked the voltage at the board and it was 115.0, so as expected. I started the generator, and the code went away. When I stopped the generator the code never came back - no idea what happened.

Then the next day, the I noticed the fridge running on LP (it had been set to AU) even though there was still power. So I turned it to AC to force it on power, and it seemed to work. Then the following day the fridge had an AC HE error, but was still operating (fridge and freezer were cold).

I have contacted Dinosaur support, and I have to say I was very disappointed. they are extremely slow to respond, and have not been helpful - they seem to resent providing support. When I told them about the AC HE error their only response was to say the heating elements had failed. In any case, I checked the resistance of the two heating elements, when cold, and they seem to be within the expected range (would have been nice of their support to suggest I do this). I told Dinosaur this, and they then came back with the following:

"If you are checking it when the elements are hot it would eliminate the elements being the problem. If you are allowing them to cool and checking them at that point they aren't failing at that point."

So the question I have is what should the resistance be when the elements are hot? According to the Norcold maintenance manual it should be 58-62 at room temperature, but they don't talk about testing when they are hot.

I'm wondering if Dinosaur is just saying that to avoid having to actually replace the board.

Anyone have thoughts?

2005 Itasca Horizon 40AD
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Old 09-30-2015, 10:26 AM   #2
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Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
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Contact David Force at RV Cooling Unit Warehouse. Be sure you have the part number of the board you installed. He will be able to help you!

Joe & Annette

2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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Old 09-30-2015, 10:45 AM   #3
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Location: Southern NM
Posts: 1,805
I feel for you for the poor CS from Dinosaur, as I have a DS board as well.

How old is your board, I believe there is a 2 yr warranty on CB

Just call them back and ask how you warrantee there CB
2005 Tiffin Allegro Bay 37DB
W22 Workhorse Chassis 8.1 Flat Towing a 82 Jeep CJ7
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Old 09-30-2015, 11:11 AM   #4
Join Date: Mar 2011
Posts: 89
Originally Posted by CJ7365 View Post
I feel for you for the poor CS from Dinosaur, as I have a DS board as well.

How old is your board, I believe there is a 2 yr warranty on CB

Just call them back and ask how you warrantee there CB
Bought the board in April 2014. Challenge is they are refusing to help - say it's not a board problem. So not sure what to do.

I have to say I would probably not by a Dinosaur product again.
2005 Itasca Horizon 40AD
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fridge, norcold

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