The machine takes longer than usual to empty.
Modern machines often display "OE" (LG), "5C" (Samsung), or "F21" (Whirlpool) when they can't drain. Step 1: Check and Clean the Drain Filter how to unclog washer drain
Re-insert the drain hose. Run the washer on a “Rinse & Spin” cycle and watch for leaks or backflow. The machine takes longer than usual to empty
How to unclog the washing machine standpipe or drain pump? | Hoffman Brothers Run the washer on a “Rinse & Spin”
Panicked, Sarah checked the user manual and online tutorials, but none of the solutions seemed to work. She tried running a few more cycles, thinking maybe it was just a minor glitch, but the problem persisted. The washer refused to drain, and Sarah was on the verge of calling a plumber.
If water is backing up out of the tall pipe, the clog is deep in your house drain line.