Staff Answer
Sep 27, 2026 - 11:31 AM
When it cools for a day and then the diagnostics show the fin temp climbing with no heat, a power cycle fixes it, and there are no faults, the board is the likely cause. With serial 1156233 (below 9126825), your N821 needs the 637779 kit. It's discontinued, so stock is limited.
If you have any questions, just reach out at info@rvfridgeguys.com or call us at 800-712-8822. You can find everything we carry at www.rvfridgeguys.com.
