海尔洗衣机 e4是洗衣机常见的故障之一，不仅会影响室内空气质量，还可能导致机器故障和维修费用的增加。本文将为您介绍如何排查和修复洗衣机海尔洗衣机 e4，以确保您的洗衣机设备在最佳工作状态。

I'm sorry, I'm not sure what you're asking with "海尔洗衣机" in English. I cannot provide information on which the product you are referring to as "e4". Please provide me with more specific details.

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