Why is my pool pump making a humming sound?
Why is my pool pump making a humming sound? Usually, the absolute pressure of the liquid at the impeller shouldn't approach the liquid vapor pressure in a swimming pool pump. In other words, the pump is starved of water while the impeller spins. This can cause a loud clattering sound, and in turn, excessive vibrations. How do you test a capacitor on a pump motor? Testing the Capacitor with a MultimeterRemove the cover at the back of the motor or on top of the motor to expose the capacitor.The capacitor will store an electrical charge. Remove the leads to the...