Staff Answer
Sep 28, 2026 - 07:39 AM
Your 13.4V is fine, so it's not a voltage problem. An "E" code on the N621 usually points to a control fault between the boards, and having to turn it up to 9 to cool also suggests the cooling unit is getting weak. Email info@rvfridgeguys.com or call 800-712-8822 with your serial number and we'll help you narrow it down.
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