One of the telltale signs of a bad capacitor is a motor that hums but doesn’t turn on-sound familiar?Ī capacitor provides the torque that gets the pump motor up to speed. How do you know if your capacitor is faulty? You might notice strange noises, overheating and performance issues. A bad start capacitor is incapable of kickstarting the motor, while a bad run capacitor can’t keep it running. Besides that, power surges and overheating can damage a capacitor. Start and run capacitors store electric charges that start the motor and keep it running-no big surprise there.Īs these parts age, capacitors tend to lose their charge-storing capabilities. In a pool pump’s circuitry, the capacitor stores an electric charge that gets the pump motor running. Start capacitors are usually mounted at the back of the motor, while run capacitors are usually on the topside. Bad Pump CapacitorsĬapacitors are the small, black cylinders in your pump that look like batteries.

Dealing with a broken pump is more dangerous and takes more pool expertise than knowing how to clean pool cartridge filters.Įven if you aren’t going to attempt the repair yourself, you may still want to know why you flipped on the power to your pump and hear humming but no actual signs your pump is working. If you don’t, please do yourself a favor and bring in a professional to troubleshoot the problem and make needed repairs. Pool Pump Not Turning On-What Does It Mean?īefore you attempt any of the following possible fixes to your pool pump, you should know that you need to possess basic electrical knowledge to get the job done safely and correctly. In this post, we will review why your pool pump might not be working and how you can fix it. What do all of these issues mean? Quite simply, your pool pump isn’t actually turning on. There might be problems with the motor shaft.Debris might be blocking the impeller and consequently disabling the pool pump.Some of the most common reasons are that: Unfortunately, several things could be the culprit. Did you make a mistake in your calculations for how long you need to run it? Is it the time of day? The wrong pump? What could be the reason for your pool pump humming but not working? You know the pump is on because you can hear it. Recently you’ve started to worry because your previously crystal clear swimming pool is turning a muddy greenish color and you’re not sure why. This important part creates the pressure that moves your pool water through the filters, chlorinators and all the other components of your pool’s circulation system.

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