Tech Blog

Norcold N7/ N8/ N10 showing "no dt" fault code (troubleshooting help!)

Posted by Brian on 10th Jul 2020

Is your Norcold Polar N7, N8, or N10 showing "no dt"? This fault seems to have plagued many of these new Norcold models and unfortunately it often times comes down to replacing either the front optical board or the rear power board. The reason for the fault is an issue with communication between both boards and more specifically with the blue wire running through the refrigerator box, connecting …
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My Norcold RV Refrigerator Power Board Won't Reset!

Posted by Brian on 18th Mar 2020

Is your RV refrigerator board locked out and not resetting? You are NOT alone... To be clear, a board in "lockout mode" can be showing any of the following codes (depending your model number): flashing 5 times displaying an "n" code displaying an "no co" code The reset procedure can be found at the link below: Norcold Board Reset Procedure - CLICK This is a fairly common thing that we hear and e …
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Norcold N7/ NA7, N8/ NA8, N10/ NA10 Flashing 10 times (how to fix!)

6th Jan 2020

Has your Norcold Polar N7, N8, or N10 started flashing 10 times? This fault seems to have plagued many of these new Norcold models and unfortunately it often times comes down to replacing either the front optical board or the rear power board. The reason for the fault is an issue with communication between both boards and more specifically with the blue wire running through the refrigerator …
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