# 6 Pool pump switches off continuously. I have a hayward 7-193347-01 1.5 - 1.6 hp motor/ SP1514Z2S4EC If so, it might be overheating. A clogged impeller may prevent your pool pump from starting up. But it could also be a jammed motor. 
When a pump doesnt turn on or starts shutting off quickly after its started, it's usually an electrical problem, which could mean loose connections, a bad capacitor or overloaded voltage. In this post, we will review why your pool pump might not be working and how you can fix it. * If you have an undersized circuit, the breaker will trip when you try to start up your pool pump. ately. 
Went out to get water sample just now, and pump is still on, humming away, making normal noises, zero water movement in pool or skimmer. It may be because of four reasons:Your circuit breaker is short-circuiting from the water or corrosion collected by the pool pump.Debris from the rain goes into the housing, making the motor overwork. The pump started to rust, causing the motor to strain and work harder.Your wires in the breaker arent connected well enough. Sometimes a pump motor will make a humming noise and then shut off with a "click". 
Loud Pool Pump Humming Noise: How To Fix That Annoying, Eerie SoundInternal blockage. An internal blockage happens when debris and other items accumulate in hard-to-reach places. Pump impeller imbalance. Pump bearing problems. Bent pool pump shaft. Misaligned shaft. Cavitation. Pump flow pulsation. New pump noise. Final thoughts. 120 volts on a motor wired for 240 often results in a hum. Arrow on circulator pump on wood boiler shows direction of pumping out like my arrows indicate (see 1st pic) It is not necessary to turn off the circuit breaker If the pump is set on too high of a speed, it can create a vibrating or humming noise You only need to run the pump for a few seconds to accomplish this not running not running. If on the low speed your pool pump is pushing less than 35 GPMS, then you will lose functionality of your salt system and heater. Solution Did your pool or hot tub pump motor quit on you or making loud noises. # 1 Pool pump is too weak. 
7. Before teady stream nt separation r lock ring. The Pool Pump Is Making a Humming Noise and Wont Start. A faulty capacitor will prevent the pump from turning on, though it might make a humming noise while its wearing down. I noticed this morning the fountains on the pool weren't flowing, and upon further inspection the motor was just humming and not pumping. Use a brush to clean the debris you see in the impeller, so it spins without any obstruction. Pool Pump Not Pulling Water Out Of The Pool 2. A mound of fireants had taken up residence in the motor which is an all-too-common occurrence with outdoor electrical systems in these parts. per pump must eet (3) [1 mete rely attached. Unplug the electrical cord of your pool pump from both the outlet and the pressure switch. Pool Pump Motor Humming But Not Turning Now that you recognize the parts of the motor, you can identify the source of noise and apply the solution that suits your problem the best. # 3 Pool pump hums loudly and clacks. Remove the pump basket and check no debris has found it way into the bottom of the pump. Switch the motor on and test the voltage to the motor - make sure it's not high or low. The capacitor is a battery that holds and supplies a charge to the motor. If the motor gets too hot, the pump will vibrate and hum. Smith 1.5 HP motor (model C48L2N134B3). If your pool pump is not pulling water, you may need to check it immediately to save yourself from a disastrous situation. Turned on the pump this morning, fired right up, working, no problem. Faulty Pump Capacitor. If you hear a buzzing or humming noise coming from your pump motor, it means that although power is reaching the motor, its not properly starting up. Hayward Pump motor, hums but won't start. Pool Pump Stuck In The On Position. The controller included a circuit that turns on the pump if the collector temperature approaches zero, as it occasionally does, here in the Adelaide Hills See Figure 2 When the pump is seized, this noise happens in conjunction with the following symptoms: Tub will not heat Topside shows a code of OH, DR, FLO, or DRY First, turn off your pool pump.
Both the start asnd run winding should be energized at the same time when the motor is If the motor does not turn on, check the breaker and timeclock switches. Rotate the motor shaft and feel for rough spots or binging. Pump hums and shuts off. I hooked everything up yesterday and when I turned it on the pump motor hummed, but would not turn.
And you didn't have to The motor can either be hard wired to a motor controller or be wired with a twist lock style plug (if using a plug, this is safer than a normal outlet since it can't be accidentally pulled out). * No texting please as you will not be responded to * There might be problems with the motor shaft. The motor could have seized, and if so should respond to hand-turning (with power off) to break the 'stiction'. The problem is that the motor is failing to start turning. 1. Same issue as well. Inspect the impeller and pump housing for debris and rocks. 5. Plug the cord back in and turn your pool pump on. If the impeller is free, and the voltage correct, but the pump is still not running, you may want to replace it. Jul 18, 2015. To remedy this, turn your pump's power OFF at the circuit breaker, and then remove the pump basket lid and take out the basket. These motors typically have a run winding and as start winding. Possible reasons for this problem include the following:The water level in the pool is too low. Make sure the water is high enough to cover all the skimmersif there is more than oneand all the return jets.The suction hose for the vacuum has holes, or it isn't fully connected. The skimmer filter is dirty. Air is getting into the pump through the pump cover. Went out by pool this afternoon about 2:00, still working, no problem. 1. If you can hear a humming noise, but the pool pump will not start, you may need to check the impeller for debris. Now that you recognize the parts of the motor, you can identify the source of noise and apply the solution that suits your problem the best. Turn off the power. Split from the pump-humming-not-turning topic. Check and see if the impeller turns freely. 2 - Strange sounds coming from the pool pump 2 Pressure was also at 0 The E10/E14 is quieter than traditional induction pumps Once you''ve loed the pump, reduce the speed 48, my 2018 model 3 started making humming sound a few weeks ago 48, my 2018 model 3 started making humming sound a few weeks ago. 1) a jammed or blocked impeller, 2) incorrect incoming voltage, or 3) a bad or failing start capacitor. Quite simply, your pool pump isnt actually turning on. Remove the back cover. The circulation pump operates when heat is called for NO voltage: Suspect primary control contacts If some pumps keep an average flow rate below 7 GPM, it doesnt mean they dont work well, it means they are best for smaller families and homes The septic air pump is the lifeline to your aerobic wastewater treatment system Its possible to Shut off the pump and open it to reveal the gasket. If the shaft turns. Does your pump keep tripping the breaker? Debris might be blocking the impeller and consequently disabling the pool pump. To check the impeller, turn the power off to the pump and remove the screws in All of these things are usually fairly simple fixes. 2. Is there a howling or screeching sound? Replace the capacitor - their not expensive. Troubleshooting heat pump noise problems 2 Water flow from the pool pump is low Terry Vance Jennings 2 Water flow from the pool pump is low. What do all of these issues mean? Prices start @ $85 . Pool Pump Not Turning On Or Off. 4. You have a 60% to 80% chance of this being the problem. Here are some of the This could be due to several reasons, including a buildup of debris or something electrical like a bad capacitor. If you are new to having a pool, it is worth knowing that experts recommend noticing the sounds and vibrations in the pump to indicate the presence of a possible fault. I store the pump motor inside all winter (its a Hayward I believe). Damaged or inadequate wiring, resulting in a power drop, are likely to blame for your Hayward pool pump shutting off. Thanks. However the circulator (a Taco Model 007-F5) has recently started buzzing when in operation and the buzz travels thru the copper pipes to the baseboard radiators waking the family up at Answer Peter, You will want to check to make sure that there is 120 vac going to the drain pump and if there is power to the pump but not draining With a stationary rotor, the motor quickly overheats and the temp sensor cuts it off. If debris starts to build, it can block the impeller and disable the pool pump. Use a screwdriver to open the middle portion of the pool pump to disassemble the motor parts. Clogged Pump Impeller. Remove foreign objects, if present. Carefully remove any visible debris from the disc-shaped impeller by hand until it spins easily. If so shaft turns, motor hums when energized, motor does not start spinning is a starting issue. Youll find the impeller beneath the rubber gasket or seal. Pool Pump Not Working Properly 3. I have replaced the capacitor but still the same problem. Pool Pump Leaking Water Into The Pool 4. It may be time to replace the pump motor. The humming/whirring noise is very common and part of normal operation: The Humming/Whirling noises you would hear during the agitation/wash or spin portions of the cycle are caused by the motor. Remove the gasket and get rid of any debris you see before re-assembling the pump. Automation systems make a click when the relay actuates, but no noise or action at the pump. 4. Humming Motor: If the pump motor makes a humming sound when starting up, you likely have a clogged impeller. #4.
prevent their n to use or s, and heaters essure during start up. Turn the dial on your pressure switch to On.. But if it makes a humming sound that continues until your circuit breaker trips, you can be fairly certain its a flawed capacitor. 3. Try to turn the shaft. Just wondering what I can check myself before I have to take the the thing to the shop. Some of the things that might lead to such a scenario include: 1 Dirty filters 2 A dirty pump basket 3 A clogged impeller 4 An air-leak . it is only humming and the motor does not seem to be running. Pool Pump Not Working Properly. Please call show contact info to schedule an appointment . Since you unwire it to store and reconnect it to install, I would first look to make certain that the connections are good, that the capacitor hasn't gotten disconnected, and that it is wired for the correct voltage. In this post, you will find troubleshooting tips for your pool pump. ds and CPSC from the er and other ently and attached. Pool Pump Stuck In The On Position 5.. May 19, 2014. Often, a build-up of debris will block the impeller and, in turn, disable the pool. over, and/or jury, or death. Search: Circulating Pump Humming Noise. Looks like a 120v 1ph motor. Attempting the loosen the shaft would be the first step in this part of the pool opening. Pump turns off right away - If you turn on your pool pump and within 10 seconds (or even instantly) it turns off or trips the electrical breaker, then this could be one of a few things. 1. Search: Circulating Pump Humming Noise. If it does not, check to see if it's jammed with debris. More than likely it just needs a rebuild. Also, any play or wobbling in the shaft is an indication the armature has become warn. If you are new to having a pool, it is worth knowing that experts recommend noticing the sounds and vibrations in the pump to indicate the presence of a possible fault. It is vibrating inside as something inside is moving, just not pumping. Reply. Put the basket back and prime the pump with water. For most, the minimum is around 35 GPMS. The first question is whether the pump makes any noise or not when you try to turn it on. The cause of a pool pump motor buzzing or humming and the shutting off can be narrowed down to three basic causes. Swimming Pool Pump Turns On but Does Not Circulate WaterLow Water Level. The water level in your pool is extremely important in terms of proper filter operation. Blocked Lines. If you live in a windy climate or have the pool sitting beneath a tree, you already know that leaves in the pool are a persistent problem.Dirty Filter. Pump Basket Clogged After Vacuuming. When I turn the pump on, it hums, but will not turn. Stuart, Often when opening a pool, a tech will find that the the motor shaft has become seized over the close down period. Do I take the lid off of the basket area when the pump is on? If your pool pump is not turning on, it might have a damaged capacitor. Its important to turn off the pump as soon as you notice that the motor is too hot to touch with your hand. # 5 The pool pump doesnt draw water and draws in air. Make sure the handle on the filter is in the correct position. Lastly, depending on the size and shape of your pool, running your pump solely on low speed may not provide enough circulation. # 2 The pool pump is leaking. Make sure the pump lid is firm and try again. Smell the motor if it doesnt smell burnt. Why is my Jandy stealth pool not turning on? What to do if your pool pump wont turn on?
Reassemble the body.
Bama I am having the same problem, pump hums won't turn on. Could be a problem with the pump bearing. So why take it elsewhere and wait about 2 weeks??? To remedy this, simply open up your pump, and clean out any rubbish. Pool Pump Not Pulling Water Out Of The Pool. To check the impeller, turn the power off to the pump and remove the screws in the middle of the pump body. If your pool pump will not start and you hear a humming noise, check you impeller for any debris. I first thought that the ants had burned out the motor, but further fiddling with it has me wondering. by Levi Alston. Faulty Pump Capacitor I have a Hayward Super II pump with an A.O. Pool pump motor humming but not turning. # 4 Pump beats and sucks intermittently. This sound is created by the non-stop friction, which makes the motor even hotter. If debris starts to build, it can block the impeller and disable the pool pump. Opened strainer basket, water is very hot, basket filled only about halfway. d filter manua ion to allow ng. If I turn the shaft it will keep running but once I turn if off it will not run until I do the same thing again. Pool Pump Leaking Water Into The Pool. If your pump doesnt turn on and instead makes a humming sound, it could be a problem with your capacitor or a jammed motor. The impeller turns, which indicates that the rotor turns freely and is Pump Shuts Off. Questions: i have a northstar 2hp pump, how do I spin the impeller? Overheated Pool Pump. Turn around time is usually 1 day. If your pump makes a humming noise and then trips out the electrical breaker then this is a very common Here are 5 common problems that might cause your pool pump not to pull water out of the pool. Search: Circulating Pump Humming Noise. Without the capacitor, the motor cant move the impeller. Where to check it, depends on how it's connected.
When a pump doesnt turn on or starts shutting off quickly after its started, it's usually an electrical problem, which could mean loose connections, a bad capacitor or overloaded voltage. In this post, we will review why your pool pump might not be working and how you can fix it. * If you have an undersized circuit, the breaker will trip when you try to start up your pool pump. ately. Went out to get water sample just now, and pump is still on, humming away, making normal noises, zero water movement in pool or skimmer. It may be because of four reasons:Your circuit breaker is short-circuiting from the water or corrosion collected by the pool pump.Debris from the rain goes into the housing, making the motor overwork. The pump started to rust, causing the motor to strain and work harder.Your wires in the breaker arent connected well enough. Sometimes a pump motor will make a humming noise and then shut off with a "click". Loud Pool Pump Humming Noise: How To Fix That Annoying, Eerie SoundInternal blockage. An internal blockage happens when debris and other items accumulate in hard-to-reach places. Pump impeller imbalance. Pump bearing problems. Bent pool pump shaft. Misaligned shaft. Cavitation. Pump flow pulsation. New pump noise. Final thoughts. 120 volts on a motor wired for 240 often results in a hum. Arrow on circulator pump on wood boiler shows direction of pumping out like my arrows indicate (see 1st pic) It is not necessary to turn off the circuit breaker If the pump is set on too high of a speed, it can create a vibrating or humming noise You only need to run the pump for a few seconds to accomplish this not running not running. If on the low speed your pool pump is pushing less than 35 GPMS, then you will lose functionality of your salt system and heater. Solution Did your pool or hot tub pump motor quit on you or making loud noises. # 1 Pool pump is too weak. 7. Before teady stream nt separation r lock ring. The Pool Pump Is Making a Humming Noise and Wont Start. A faulty capacitor will prevent the pump from turning on, though it might make a humming noise while its wearing down. I noticed this morning the fountains on the pool weren't flowing, and upon further inspection the motor was just humming and not pumping. Use a brush to clean the debris you see in the impeller, so it spins without any obstruction. Pool Pump Not Pulling Water Out Of The Pool 2. A mound of fireants had taken up residence in the motor which is an all-too-common occurrence with outdoor electrical systems in these parts. per pump must eet (3) [1 mete rely attached. Unplug the electrical cord of your pool pump from both the outlet and the pressure switch. Pool Pump Motor Humming But Not Turning Now that you recognize the parts of the motor, you can identify the source of noise and apply the solution that suits your problem the best. # 3 Pool pump hums loudly and clacks. Remove the pump basket and check no debris has found it way into the bottom of the pump. Switch the motor on and test the voltage to the motor - make sure it's not high or low. The capacitor is a battery that holds and supplies a charge to the motor. If the motor gets too hot, the pump will vibrate and hum. Smith 1.5 HP motor (model C48L2N134B3). If your pool pump is not pulling water, you may need to check it immediately to save yourself from a disastrous situation. Turned on the pump this morning, fired right up, working, no problem. Faulty Pump Capacitor. If you hear a buzzing or humming noise coming from your pump motor, it means that although power is reaching the motor, its not properly starting up. Hayward Pump motor, hums but won't start. Pool Pump Stuck In The On Position. The controller included a circuit that turns on the pump if the collector temperature approaches zero, as it occasionally does, here in the Adelaide Hills See Figure 2 When the pump is seized, this noise happens in conjunction with the following symptoms: Tub will not heat Topside shows a code of OH, DR, FLO, or DRY First, turn off your pool pump. Both the start asnd run winding should be energized at the same time when the motor is If the motor does not turn on, check the breaker and timeclock switches. Rotate the motor shaft and feel for rough spots or binging. Pump hums and shuts off. I hooked everything up yesterday and when I turned it on the pump motor hummed, but would not turn.
And you didn't have to The motor can either be hard wired to a motor controller or be wired with a twist lock style plug (if using a plug, this is safer than a normal outlet since it can't be accidentally pulled out). * No texting please as you will not be responded to * There might be problems with the motor shaft. The motor could have seized, and if so should respond to hand-turning (with power off) to break the 'stiction'. The problem is that the motor is failing to start turning. 1. Same issue as well. Inspect the impeller and pump housing for debris and rocks. 5. Plug the cord back in and turn your pool pump on. If the impeller is free, and the voltage correct, but the pump is still not running, you may want to replace it. Jul 18, 2015. To remedy this, turn your pump's power OFF at the circuit breaker, and then remove the pump basket lid and take out the basket. These motors typically have a run winding and as start winding. Possible reasons for this problem include the following:The water level in the pool is too low. Make sure the water is high enough to cover all the skimmersif there is more than oneand all the return jets.The suction hose for the vacuum has holes, or it isn't fully connected. The skimmer filter is dirty. Air is getting into the pump through the pump cover. Went out by pool this afternoon about 2:00, still working, no problem. 1. If you can hear a humming noise, but the pool pump will not start, you may need to check the impeller for debris. Now that you recognize the parts of the motor, you can identify the source of noise and apply the solution that suits your problem the best. Turn off the power. Split from the pump-humming-not-turning topic. Check and see if the impeller turns freely. 2 - Strange sounds coming from the pool pump 2 Pressure was also at 0 The E10/E14 is quieter than traditional induction pumps Once you''ve loed the pump, reduce the speed 48, my 2018 model 3 started making humming sound a few weeks ago 48, my 2018 model 3 started making humming sound a few weeks ago. 1) a jammed or blocked impeller, 2) incorrect incoming voltage, or 3) a bad or failing start capacitor. Quite simply, your pool pump isnt actually turning on. Remove the back cover. The circulation pump operates when heat is called for NO voltage: Suspect primary control contacts If some pumps keep an average flow rate below 7 GPM, it doesnt mean they dont work well, it means they are best for smaller families and homes The septic air pump is the lifeline to your aerobic wastewater treatment system Its possible to Shut off the pump and open it to reveal the gasket. If the shaft turns. Does your pump keep tripping the breaker? Debris might be blocking the impeller and consequently disabling the pool pump. To check the impeller, turn the power off to the pump and remove the screws in All of these things are usually fairly simple fixes. 2. Is there a howling or screeching sound? Replace the capacitor - their not expensive. Troubleshooting heat pump noise problems 2 Water flow from the pool pump is low Terry Vance Jennings 2 Water flow from the pool pump is low. What do all of these issues mean? Prices start @ $85 . Pool Pump Not Turning On Or Off. 4. You have a 60% to 80% chance of this being the problem. Here are some of the This could be due to several reasons, including a buildup of debris or something electrical like a bad capacitor. If you are new to having a pool, it is worth knowing that experts recommend noticing the sounds and vibrations in the pump to indicate the presence of a possible fault. I store the pump motor inside all winter (its a Hayward I believe). Damaged or inadequate wiring, resulting in a power drop, are likely to blame for your Hayward pool pump shutting off. Thanks. However the circulator (a Taco Model 007-F5) has recently started buzzing when in operation and the buzz travels thru the copper pipes to the baseboard radiators waking the family up at Answer Peter, You will want to check to make sure that there is 120 vac going to the drain pump and if there is power to the pump but not draining With a stationary rotor, the motor quickly overheats and the temp sensor cuts it off. If debris starts to build, it can block the impeller and disable the pool pump. Use a screwdriver to open the middle portion of the pool pump to disassemble the motor parts. Clogged Pump Impeller. Remove foreign objects, if present. Carefully remove any visible debris from the disc-shaped impeller by hand until it spins easily. If so shaft turns, motor hums when energized, motor does not start spinning is a starting issue. Youll find the impeller beneath the rubber gasket or seal. Pool Pump Not Working Properly 3. I have replaced the capacitor but still the same problem. Pool Pump Leaking Water Into The Pool 4. It may be time to replace the pump motor. The humming/whirring noise is very common and part of normal operation: The Humming/Whirling noises you would hear during the agitation/wash or spin portions of the cycle are caused by the motor. Remove the gasket and get rid of any debris you see before re-assembling the pump. Automation systems make a click when the relay actuates, but no noise or action at the pump. 4. Humming Motor: If the pump motor makes a humming sound when starting up, you likely have a clogged impeller. #4.
prevent their n to use or s, and heaters essure during start up. Turn the dial on your pressure switch to On.. But if it makes a humming sound that continues until your circuit breaker trips, you can be fairly certain its a flawed capacitor. 3. Try to turn the shaft. Just wondering what I can check myself before I have to take the the thing to the shop. Some of the things that might lead to such a scenario include: 1 Dirty filters 2 A dirty pump basket 3 A clogged impeller 4 An air-leak . it is only humming and the motor does not seem to be running. Pool Pump Not Working Properly. Please call show contact info to schedule an appointment . Since you unwire it to store and reconnect it to install, I would first look to make certain that the connections are good, that the capacitor hasn't gotten disconnected, and that it is wired for the correct voltage. In this post, you will find troubleshooting tips for your pool pump. ds and CPSC from the er and other ently and attached. Pool Pump Stuck In The On Position 5.. May 19, 2014. Often, a build-up of debris will block the impeller and, in turn, disable the pool. over, and/or jury, or death. Search: Circulating Pump Humming Noise. Looks like a 120v 1ph motor. Attempting the loosen the shaft would be the first step in this part of the pool opening. Pump turns off right away - If you turn on your pool pump and within 10 seconds (or even instantly) it turns off or trips the electrical breaker, then this could be one of a few things. 1. Search: Circulating Pump Humming Noise. If it does not, check to see if it's jammed with debris. More than likely it just needs a rebuild. Also, any play or wobbling in the shaft is an indication the armature has become warn. If you are new to having a pool, it is worth knowing that experts recommend noticing the sounds and vibrations in the pump to indicate the presence of a possible fault. It is vibrating inside as something inside is moving, just not pumping. Reply. Put the basket back and prime the pump with water. For most, the minimum is around 35 GPMS. The first question is whether the pump makes any noise or not when you try to turn it on. The cause of a pool pump motor buzzing or humming and the shutting off can be narrowed down to three basic causes. Swimming Pool Pump Turns On but Does Not Circulate WaterLow Water Level. The water level in your pool is extremely important in terms of proper filter operation. Blocked Lines. If you live in a windy climate or have the pool sitting beneath a tree, you already know that leaves in the pool are a persistent problem.Dirty Filter. Pump Basket Clogged After Vacuuming. When I turn the pump on, it hums, but will not turn. Stuart, Often when opening a pool, a tech will find that the the motor shaft has become seized over the close down period. Do I take the lid off of the basket area when the pump is on? If your pool pump is not turning on, it might have a damaged capacitor. Its important to turn off the pump as soon as you notice that the motor is too hot to touch with your hand. # 5 The pool pump doesnt draw water and draws in air. Make sure the handle on the filter is in the correct position. Lastly, depending on the size and shape of your pool, running your pump solely on low speed may not provide enough circulation. # 2 The pool pump is leaking. Make sure the pump lid is firm and try again. Smell the motor if it doesnt smell burnt. Why is my Jandy stealth pool not turning on? What to do if your pool pump wont turn on?
Reassemble the body.
Bama I am having the same problem, pump hums won't turn on. Could be a problem with the pump bearing. So why take it elsewhere and wait about 2 weeks??? To remedy this, simply open up your pump, and clean out any rubbish. Pool Pump Not Pulling Water Out Of The Pool. To check the impeller, turn the power off to the pump and remove the screws in the middle of the pump body. If your pool pump will not start and you hear a humming noise, check you impeller for any debris. I first thought that the ants had burned out the motor, but further fiddling with it has me wondering. by Levi Alston. Faulty Pump Capacitor I have a Hayward Super II pump with an A.O. Pool pump motor humming but not turning. # 4 Pump beats and sucks intermittently. This sound is created by the non-stop friction, which makes the motor even hotter. If debris starts to build, it can block the impeller and disable the pool pump. Opened strainer basket, water is very hot, basket filled only about halfway. d filter manua ion to allow ng. If I turn the shaft it will keep running but once I turn if off it will not run until I do the same thing again. Pool Pump Leaking Water Into The Pool. If your pump doesnt turn on and instead makes a humming sound, it could be a problem with your capacitor or a jammed motor. The impeller turns, which indicates that the rotor turns freely and is Pump Shuts Off. Questions: i have a northstar 2hp pump, how do I spin the impeller? Overheated Pool Pump. Turn around time is usually 1 day. If your pump makes a humming noise and then trips out the electrical breaker then this is a very common Here are 5 common problems that might cause your pool pump not to pull water out of the pool. Search: Circulating Pump Humming Noise. Without the capacitor, the motor cant move the impeller. Where to check it, depends on how it's connected.