A washing machine failing to drain properly is a common issue, often caused by a clog or malfunction. To address this problem, start by checking the drain hose and pump filter for any obstructions, which can impede the flow of water. These components can accumulate debris, lint, or foreign objects over time. Clearing these blockages is a simple fix that can often restore proper drainage.

If the drain hose and pump filter are clear but the problem persists, it may be necessary to inspect the drain pump itself. Malfunctions in the pump can prevent it from effectively expelling water. In such cases, you may need to replace the drain pump, which is a more involved repair but is still manageable for many DIY enthusiasts.

Another potential cause of drainage issues is a malfunctioning lid switch or door lock. Some washing machines are designed to prevent draining if the lid or door is not securely closed. If the switch is faulty or misaligned, the machine may not recognize that the lid or door is closed, leading to drainage problems. Inspect the switch and, if necessary, replace it to ensure proper function.

It's also worth checking the drainage system's plumbing. A partially or fully blocked drainpipe can restrict the flow of water from the washing machine. Ensure that the drainpipe is free of obstructions and that it has the proper air gap to allow water to flow freely.

If these troubleshooting steps do not resolve the issue, it's advisable to consult the washing machine's user manual for specific troubleshooting guidance. If you are unsure about any aspect of the repair, or if the problem persists after attempting these solutions, it may be best to seek the assistance of a professional appliance technician. They can diagnose the problem accurately and perform any necessary repairs or replacements to restore your washing machine's proper drainage function.