How To Tell If Pool Pump Capacitor Is Bad
Knowing how to check your pool pump condenser can save you time and money when the pump motor fails. With each day that the pump fails, the potential for a lengthy and costly cleanup increases. Pump motor troubleshooting should begin with checking the capacitor(s).
What is a capacitor?
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The basic definition of a capacitor is a device used to store electrical charge. Most pool pump motors use a starting capacitor and/or a run capacitor. Both look similar to one large battery. The starting capacitor is usually located at the rear of the motor and the running capacitor is located at the top of the motor.
Symptoms of a bad capacitor
Roaring. Is your pool pump motor humming but not turning on? Most pool motors require extra torque for the motor to accelerate. A damaged capacitor will prevent the motor from spinning. Another cause of noise could be a stuck motor shaft. If you can turn the motor shaft by hand, the capacitor could be the cause of the noise. If the shaft does not rotate by hand, you should replace the complete bearing or motor. Read more: How to use root tabs to fertilize aquatic plants Pool motors typically run on the hot side. However, the motor will turn itself off if it runs too hot. A faulty capacitor can cause the motor to run at a higher amperage. Higher amps mean more power, and more power means more heat. Other symptoms of an overheating pool motor are oversized propellers, bad windings, or high voltages. One speed working on two speed motor. There are several reasons why two-speed pool pump motors run only at high or low speeds. As you might have guessed, capacitor run is a frequent fault. If it’s not the capacitor, it’s most likely a bad phase coil and the motor needs to be replaced. Read more: how to make baby slippers | Top Q&ARead more: how to make baby slippers | Top Q&A
Check the capacitor with a multimeter
Replacement
Replacement capacitors must have the same MFD or UF rating as the original. If the same voltage rating is not available, the next higher voltage may be acceptable. For example, if a 370 volt unit is not available, use the next rating of 440 volts.
How to Replace the Pool Pump Capacitor Read more: how to make baby slippers | Top Q&ARead more: how to highlight in google sheets
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