If the machine and hose are clear, the issue is in the wall. Feed a handheld plumber’s snake down the standpipe. You will feel resistance when you hit the clog; crank the handle to break through the blockage, then retract the snake.
If you're experiencing any of the following symptoms, it may indicate a blocked drain in your washing machine: blocked drain washing machine
Open the small service hatch at the bottom front panel. Pull out the small rubber emergency drainage pipe, remove its cap, and let the water pour out into your shallow container. Recap it when the container fills, empty it into a sink, and repeat until the machine's drum is completely empty. 🔎 Phase 2: Diagnosing & Unblocking the Clog If the machine and hose are clear, the issue is in the wall