How do I test my pool pump motor?

YELLOW TO RED – To test the upper main windings including the start capacitors windings, place the meter probes on the end of the red lead, and on the end of the yellow wire attached to terminal 3 of the Overload Protector. Record the reading.

How do you know if your pool pump motor is bad?

Don’t Wait to Call for Swimming Pool Pump Replacement

  1. Age. Yes, the age of your pump is an early trouble sign. …
  2. Noise. Your pool pump should run quietly. …
  3. Power Trip. Has your pool pump motor started to trip your electric breaker box more and more frequently? …
  4. Swimming Pool Pump Motor Keeps Shutting Off. …
  5. Loss of Suction.


How do I test my pool pump with a multimeter?

MEASURE SUPPLY VOLTAGE – Set your digital multimeter to 300 VAC and place the meter’s probes on the OUTPUT terminals, 2 and 4. It does not matter which probe is placed on which terminal. USE EXTREME CAUTION. These wires have 240V on them.

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Why is my pool pump running but not pumping water?

The pool pump runs but has low water flow.

This means your pump needs to be primed because something has interrupted its suction or water flow. It could be something blocking it, a dirty pool filter, or too much air in the system. … If there’s air in the system, it’s probably coming through the skimmer or leaky o-ring.

How long does a pool pump motor last?

Pool Pumps

Your pool’s pump is the wet end of the operation, it houses the pump basket. Pumps should last through the initially installed motor and perhaps as many as two or three replacement motors, usually 10-12 years. Modern pumps are made of hard plastic and will over time warp.

When should I replace my pool pump motor?

Signs You Need Pool Pump Replacement

  1. Rumbling Sounds. An excessively-vibrating pump motor can create these rumbling sounds. …
  2. Grinding or Screeching Sounds. In the early stages, these sounds often only mean that your pump needs new bearings. …
  3. Blowing Bubbles and Spitting Water. …
  4. Old Age. …
  5. Get a New Pool Pump Now to Keep Enjoying Safe Water.


How can you tell if a pump capacitor is bad?

When the pool pump turns on, listen for a quiet buzz or hum. This sound indicates that the pool pump capacitor has become dead. Another method to know whether or not a capacitor has gone bad is to think about how long it has been since it’s been replaced.

Will a bad pool pump capacitor trip a breaker?

Pump Trips the Breaker

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When the breaker trips when trying to turn on the pump, most likely the motor shaft is frozen, the impeller is stuck, or the capacitor has blown. … This could be caused by incorrect voltage or from clogged or restricted pipes, valves or impeller. It could also be just a bad breaker.

How do I know if my pool pump is 115 or 230?

In any event, if you turn on the meter, turn the knob to the 750 ACV position, put the leads on the wires in the pump (white and black or black and black) you would be able to see if you have 115 volts or 230 volts.

How do I reset my pool pump?

Steps to Prime Your Pool Pump

  1. Turn off the pump. …
  2. Switch to recirculate. …
  3. Release air. …
  4. Clean out the pump basket. …
  5. Fill the pump basket. …
  6. Once the pump basket is filled and tightened, make sure the air release valve is open and turn the power to the pump on.
  7. Check the water flow to your pump.

Can a pool pump be repaired?

Now that you know the common problems for a typical swimming pool pump, it is time to identify if you should repair or replace it. You only have problems with the bearing. The repair will not cost a lot. The impeller is not deformed or broken – only stuck or clogged.

How do you unfreeze a pool pump?

Bring the pump housing into an area where the temperature is above freezing. Eventually, the ice in the pump melts and the pump can be flushed, winterized and reconnected back into the filtration lines of the pool.

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Why is there no pressure in my pool pump?


When the pump is off, or the valve is set to recirculate or drain to waste, the filter pressure should be zero. … It could be a clogged pump basket, clogged impeller, clogged pipe or clogged skimmer. It could also be a closed or broken valve before the pump.

How long can pool pump run without water?

A good guideline is 8-10 hours a day. On the cooler days and early and late season, you can cut the run time down to 4-6 hours because there is usually less swimmers and cooler water requires less chemicals.