This maker documents error codes for the top-load washer, the dishwasher, the electric range and cooktop, and the refrigerator. For its dryers, its freezers, its wine cabinets and its ice machines it publishes nothing at all — no table, no list, no article.
So on those machines there is nothing to look up, and the diagnosis starts from behavior and measurement: a thermometer left in overnight, a meter at the terminals, the run time listened to rather than read. These pages are written for that, and they say when a machine is not going to tell you anything.