Fault code H on N621
Brian. Bob here. we spoke this morning regarding my N621 not starting after installing new thermister,optic control board, and power board. Here's the good news. The fridge is working on propane only, which it did before. However, it is still showing fault code H, which it did before the new parts. You said in an email to my question 10 days ago that code refers to the a/c heater. So, my next question is what do I need to do,what parts do I need so it will operate on a/c.
Also, you were very patient with me this morning and I appreciate that. Thanks!!!
One more thing you may be interested to know.The optic control board you said I needed was # 628974. The number on the box it came in is# 628974. However the part number on the back of the board itself is 628663?? That may mean nothing. I just thought I'd pass that along to you.
Look forward to hearing from you about a remedy for fault code H.
Cheers...
Bob
Status:
Open Oct 15, 2018 - 10:44 AM
1answer
Answer
Oct 02, 2020 - 07:19 AM
Yes, you received the correct optical board. The AC heater connects at the power board in the back. It has two connections and they are labeled "AC HT HI" and "AC HT LO". If you follow the wires they lead to the flu on the right hand side where the AC heating element drops into a slot on the side of the flu. You will need to replace this part.
Source: https://thenorcoldguy.com/norcold-ac-...
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