{"id":14506,"date":"2025-03-24T10:37:11","date_gmt":"2025-03-24T17:37:11","guid":{"rendered":"https:\/\/www.appliancepartspros.com\/b\/?p=14506"},"modified":"2025-03-24T10:37:19","modified_gmt":"2025-03-24T17:37:19","slug":"how-to-test-and-replace-a-dehumidifier-capacitor","status":"publish","type":"post","link":"https:\/\/www.appliancepartspros.com\/c\/how-to-test-and-replace-a-dehumidifier-capacitor\/","title":{"rendered":"How to test and replace a dehumidifier capacitor"},"content":{"rendered":"
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If your dehumidifier’s acting up, maybe it won’t start or just hums without really doing anything, the capacitor might be the culprit. It’s annoying when you need it to keep the humidity in check and it’s just not cooperating. So, in this guide, we’ll walk you through spotting, testing, and swapping out a bad capacitor to get your dehumidifier back in action.<\/span><\/p>\n

T<\/span>his info might not perfectly match your appliance model. We do our best to give solid DIY repair tips, but different models can have their own quirks with troubleshooting steps, error codes, parts, and so on. For spot-on advice, it’s best to check your appliance’s manual or just <\/span>reach out to us<\/b><\/a> if you’ve got questions.<\/span><\/em><\/p>\n\n

Understand the importance of the dehumidifier capacitor<\/span><\/h2>\n

So, the capacitor in your dehumidifier? It’s that small, cylinder or oval thing that controls the electrical current to the compressor or motor. Basically, it gives the compressor or fan motor that initial kick to get going. Without a functioning capacitor, your dehumidifier might struggle to turn on or keep running. If the capacitor’s shot, you might hear rattling, humming, or it might just give you the silent treatment when you hit the power button.<\/span><\/p>\n

Signs of a faulty dehumidifier capacitor<\/span><\/h2>\n

Oftentimes, you might not suspect the capacitor’s acting up until the dehumidifier won’t start. But there are a few hints you can look out for:<\/span><\/p>\n