What does it mean if error code E:35 appears?

Error code E:35 indicates a drain line problem. The drain line may be clogged, the drain hose may be kinked or blocked, the drain pump impeller may be clogged, or the drain pump cover may be loose. You should unclog the drain line, replace the drain hose if necessary, clean around the pump impeller, or lock the drain pump cover into place in the sump.