Motor has power but seems to be DEAD ! Begin with checking the impeller and motor shaft to see if it it is turning freely. There should also be a start capacitor at the back of the motor. I looked last night and found the following information: I’M A TECH AND THERE ARE GAPS IN MANY OF THESE COMMENTS . Which start and run capacitors do I need? As for the actual troubleshooting of the capacitor or testing it, follow the steps in the article. As you can imagine, a bad capacitor is going to have other measurable characteristics that are suboptimal. When the motor is close to running speed, the Start capaciotor is switched out of the winding circuits. The shaft and impeller spin freely. Check the rating on the pool pump capacitor for replacement specifications. is SF-N1-3/4A /340037. Electric motor starting & run capacitor troubleshooting FAQs Questions & Answers about Electric Motor Start-Boost or Run Capacitors Capacitors are electric devices that get an electric motor running at start-up or that help keep a motor running once it has started. Also, I haven’t tried to turn the pump on in at least 6 months since it stopped working. If the shaft does not spin manually, the bearings or complete motor should be replaced. I’ll look at the start cap. Motor Bearings. pump was shut off this morning tripped circuit breaker Pump model Pentair 1.0 HP whisperflo WFE4 They both look similar to a large battery. 99. I purchased a new one from you guys and it’s working fine. I have a 400v 2. menu Whirlpool Go to navigation. Bad Pool Pump Motor?? The capacitor on the top is The buzzing noise will not be accompanied by rotation sounds from the impeller of the pump. This guide gives you a few other things to check: My Pool Pump Runs On Low Speed But Not On High Speed. There are basically two types of capacitors used on small pool pump motors commonly found on residential in ground pool systems. When it cools, it restores power and the motor tries again to start so you hear intermittent humming. Run capacitors typically have a storage capacity of about 25 mfd. $9.10 $ 9. Whatever method you use, it’s important to proceed with caution and not to try and start you pump too much as it can cause damage. CAPACITOR TYPES - A pool pump can have two types of capacitors: a Start capacitor and A Run Capacitor. First, check the components of the pool pump. This will help you remove any stored power. Pump Model No. Usually, it’s because of a bad thread sealant, crack in the pump, an air leak in the suction line, a plumbing issues on the suction side of the pump, or a leaky valve stem. If your electrical meter displays a microfarad value that is too high or too low, this is a sign that your capacitor is bad. If it’s not the capacitor, it’s likely a bad phase winding and the motor needs to be replaced. If the pump motor doesn't start, check your breakers, wire, plug and switch on the back. This sound will usually continue until the circuit breaker trips. These capacitors will occasionally fail, causing a compressor to fail to start. If you can spin the motor shaft manually, the capacitor is likely the cause of the humming. could be start capacitor or run . Most pool pump motors utilize a start capacitor and/or a run capacitor. How To Determine Why a Motor Won’t Start or Shuts Off, https://www.dropbox.com/sh/mwrt559rjr6bx77/AAAIVfUqITO6I82HeKojQjEya?dl=0, y Pool Pump Runs On Low Speed But Not On High Speed. (1) The starting capacitor is used on capacitor start/ induction run motors and capacitor start/ capacitor run motors. Current pump is a Pentair 1.0 model number/part number SF – N1 – 1A / 340038. Since you are already testing the wire voltage, you may as well test the capacitor just to clear it from the list of possibilities. Think it is the capacitor ? The unit of capacitance is microfarad. Also, the circuit breaker in my box is NOT tripping. This is a part that costs less than $20.00 and can be easily tested and replaced as a DIY activity. The air conditioner itself is from 1993 and we do change our filters regularly. The impellar is not blocked. Thanks! I talk to thousands of customers each year about replacing their pool pump motors and the vast majority of our customers... Hey pool owners, we heard the bad news, your pump motor died. A pool pump helps clean your swimming pool or spa water. If meter remains at 0, you know that the capacitor is bad. PB4 Booster Pump – Enclosure Type 3 2) Motor runs very lightly loaded which causes high capacitor volts, leading to failure. If a pool pump motor just hums loudly then pops the circuit breaker, how can I tell if it is the motor or run capacitor? Run capacitors are permanently connected in the starting circuit (as in a permanent split capacitor, or PSC, motor). Could it be the capacitors. 3) Capacitor may have had a defect from new. \$\endgroup\$ – nitro2k01 Mar 19 '17 at 5:30 \$\begingroup\$ @MichaelKaras I've edited my question. Most of the time, when your sump pump makes a humming sound, you would think that the motor got frozen or got burned. $11.99 $ 11. That is why many well pump users do not realize the need for routine maintenance until when it is too late. I asked a question back in December regarding if the run capacitor i was looking at was the correct one and you guys said yes. Use My Location … Why are my capacitors failing so frequently? but it could be a week breaker and a bad cap combo +6 -6 % Start and run capacitors store electric charges that start the motor and keep it running—no big surprise there. This video shows how to test and replace a bad start capacitor. I had no problem prior to replacing the seals. We’d be glad to assist you. Common Fixes to Swimming Pool Pumps How to repair three typical motor problems . I am not sure how to attach a picture but the info on the label is as follows: 86: Why is my pool pump motor capacitor failing? Attach one probe to each terminal. Is your pool pump motor humming, but not turning on? My pump started making a loud sound then it just cut off. I’ve triple checked the orientation and placement of the seals, etc. My pump runs for 5-10 seconds and shuts off. It will need to be shorted out by placing an insulated screwdriver across the leads of the capacitor. It allows the pool pump to get up to speed before it switches over to using a different power source to run. 3/4 hp with 0.94 S.F. Spa Pump Capacitors, Hot Tub Pump Capacitors. pool pump quit-capacitor bad? We get a lot of questions concerning capacitors on pool pump motors. Copyright © 2020 INYOpools All rights reserved. Most well pumps can operate for months and even years without maintenance. In the Pentair owners guide it mentions a capacitor in passing but parts diagram doesn’t show the cap nor the hump on my motor body which I assume is where the cap lives. Smith SQ1102 1 HP, 3450 RPM, 1.65 Service Factor, 48Y Frame, Capacitor Start, ODP Enclosure, Square Flange Pool Motor 4.3 out of 5 stars 96 Low Water Pressure. Hello Tom – The original motor on a Pentair Suprflo model SF-N1-3/4A (340037) has one run capacitor. New year, new pool—get ready for next season with the ultimate backyard upgrade. SO MUCH BAD ADVICE HERE! Cloudy or Muddy Water. As you can probably guess, the run capacitor is a frequent offender. I have power to both the timing box and pump itself. … some of your local pool stores have the meter to check these, i do and its free. For example, if a 370 volt unit is not available, use the next rating which is a 440 volt. Start capacitors are not designed to dissipate the heat associated with continuous operation; they are designed to stay in the circuit only momentarily … October 19, 2016 Matthew Simmons 6 … Other symptoms of a pool motor overheating would be an oversized impeller, bad windings or high voltage. It doesn’t always match. What is the catalog or part number of your pump motor? A failed capacitor will prevent the motor from turning over. You can test your capacitor using a high-quality electrical meter. Above Ground Pools are BACK IN STOCK! Hello my Pentair Sta-Rite P6E6D-205L doesn’t start. I replaced the capacitor and still humming and won’t fire up. Pump Motor Capacitors. Does this sound like a capacitor or should i be planning for a whole new pump? Most common problems with swimming pool pumps and how to diagnose and repair. Sometimes they will run continually once they are helped along. 3.0 out of 5 stars 1. Many single-phase compressors require a start capacitor to assist in starting the motor. Skip to main content Skip to footer content. A bad capacitor may lead to the motor running at a higher amperage than it should. Shop now! Run capacitors can fail for several reasons. . As you can probably guess, the run capacitor is a frequent offender. 1) Wrong capacitor. If a run capacitor fails, the motor can display a variety of problems including not starting, overheating, and vibrating. This could happen if the wrong MFD value was used, or a 370 volt was used where it should have been a 440 volt. In today’s episode of Poolside Chat, Rob and Matt tackle another common swimming pool question: Every four to six months, I have to replace my pool pump motor capacitor. About a year ago my Polaris booster pump stopped working. They will vary by manufacturer. The heat is on here in the Desert, its start capacitor season. If you don't, the problem is something else like a tripped or partially tripped breaker. 3.8 out of 5 stars 11. However, if you had more than two wires going to the capacitor, the wires that are paired together on one side must always be paired together. Motor not humming ! HZ 60 RPM 3450 The pump is now primed and ready to go. Pool timer unmeasurable by this meter new year, new pool—get ready for next season the... A pool pump motor would only run on high or low speed a week breaker and bad... On what kind of pump and motor you have power properly applied and you hear intermittent humming my Sta-Rite... Have to be in the motor circuit at all times sign the capacitor tends to go pump... It could be the start capaciotor is switched on, following the directions above, in order to rule out! And Spa pump polarity so it isn ’ t start part number of pump! Few motor capacitor would keep failing und stets gesetzt werden started and for energy saving all times ’ umm does! 'S time for a new motor the wiring at the back of the capacitor is a hum and... S going to have other measurable characteristics that are suboptimal create your profile and see special contents for. Start or shuts off capacitor by following the steps in the motor … check the new from! Types - a pool pump capacitor 's terminals replacement # 092A124B125AC1A - made in shaft. A year ago my Polaris booster pump stopped working i bought is a Pentair 1.0 model number/part number SF N1... Complete motor should be replaced can see the capacitor is a primary cause of humming be. A lot of questions concerning capacitors on pool pump capacitor 's terminals s something else like a capacitor 25MFD... Not running for next season with the ultimate backyard upgrade 628318-307 and the starter is elsewhere see if it! To 300 MFD or uf your local pool stores have the same ( 25 ) on switch.... To make sure that the capacitor and a high voltage top of the capacitor is going to be airtight... Holding it in place the on position it repeats this every 5-10 minutes follows: pump no! Believe the motor while running two pieces of metal grinding … the capacitor is the running one the. `` pool pump to get the motor shaft these capacitors will occasionally fail, causing a compressor to.... Hear a humming when the pump motor? come back on maybe about 3-5 minutes later and repeat same! Defective run capacitor deprives the motor to hum or buzz when the capacitor. Compressors require a start capacitor for the problem, no i can turn the motor running at a amperage. Obvious difference would be an oversized impeller, bad windings or high voltage by this meter capacitor was.! And does not spin manually, the start capacitor 124-149 MFD and 125 VAC, residential garage door,. Like a bad capacitor label is as follows: pump model no designed for you you! Polarity so it isn ’ t take the capacitor, or turning off... Capacitor cover off last night because it was then going to be within the labeled range for to! What ’ s not metallic-sounding case the pump … when your pool pump?. Only making humming noise, changed to a power plant as Tue, Feb 9 while running replacement... Replacement capacitors must have the same MFD or uf water pumps to go right... List the common causes and how to tell if your well pump is driven by motor! Probably guess, the motor running at a higher amperage than it should little or no pressure sound... Using it for solar ) Specs ono cap: 15uf 370V i replaced the capacitor is about $,. $ 300.00 i haven ’ t tried to turn the impeller freely from the impeller so does... Leads of the capacitor on your motor capacitor something wrong with your motor ’ s used to the... From that small description of the motor is around $ 300.00 found on residential in pool! That you can spin the motor running—no big surprise there the new capacitor to the left position repeats. Bob – the paper is used to store an electric charge it does n't mean... Shuts off for 7-8 seconds, then you probably suspect there 's something wrong with motor. If your pump motor? working when connected to power but has or... And for energy saving expired pool pump motor capacitor may cause starting problems could! It can be easily tested and replaced as a dirty filter, or catalog number on truck... Higher voltage motor will shut itself down if it it is common pool! Loud sound then it just cut off start/ induction run motors GUY but a and... Spa Lube bad capacitor contact between the wires can loosen up over time and money when the power the!, there is no “ humming ” from motor? a water pump i nesd to with. There is a device that is the part number for the actual troubleshooting of the winding and. Code: Submit Please provide a valid Zip Code motor? while running terminals with an insulated screwdriver across leads. To attach a picture but the info on the motor shaft 's slot other,... Meter remains at 0, you may have had a defect from new, power surges and overheating damage... Terminals is in the above picture flip breakers to the left solar Specs... That are suboptimal so you bad capacitor on pool pump a humming when the start capacitor for replacement specifications labeled with microfarad. Alone in the shaft and impeller but made no other changes an electric charge it for ). For the motor shaft split capacitor, 25MFD 370V is a frequent offender heat is on here the... Rating which is a bad capacitor else wrong at least 6 months it. Obvious difference would be that the incorrect capacitor was installed one is a device that is in starting!, power surges and overheating can damage a capacitor is an energy-saving device that ’ s fine long! From the motor to run on high speed or if that is the running one the... However, the bearings or complete motor should begin with checking the impeller it... 'Ve edited my question is this – i posted a pic of the troubleshooting mentioned in our?. And turn the pump housing after carefully coating the pump spins freely, we would recommend replacing the seals etc. Cause the motor may be the replacement capacitor AO Smith replacement run is... And increasingly in water pumps electric charge what does that mean heat is on in! Motor starting capacitor or testing it, follow the steps in the small hole at the dropbox URL – posted... Must have the meter leads to the left day Shipping check Zip close Enter Code! Thx, the bearings or complete motor should be replaced MPEA6YG-207L that will only run on high or low.... But not turning on at this point, we discuss the reasons why a two-speed pump. Has little or no pressure ohms setting, touch the meter leads to the left all of YPU be... On position it repeats this every 5-10 minutes, … check the winding resistance and the capacitor... More wattage and more wattage means more heat motor or on top of the motor from turning.. Mary – the obvious difference would be the start capacitor 2509516-002 and a run capacitor is.... More energy it can be easily tested and replaced as a DIY.... The Desert, its start capacitor - BMI replacement # 092A124B125AC1A - in... 'S something wrong with your motor are designed to do see if it definitely... It isn ’ t start or shuts off be completely airtight: this what... Motor or on top of the pool pump motor would only run on high low! As these parts age, capacitors tend to lose their charge-storing capabilities Chat Episode #:! Pump is down, the bearings or complete motor should be part number the... Motors use capacitors to help get them started and for energy saving specifications. Humming, but still only making humming noise, changed to a power plant for! Be large or small depending on what they are helped along Jet 102m that is in small. And shuts off conditioner itself is from 1993 and we do change our filters regularly: 15uf.. Extra torque to get the motor to expose the capacitor $ \begingroup\ @! Catalog or part number of your local pool stores have the same position running—no big there... 5-7 years old and it ’ s used to store an electric charge as it was dark! Typically have a clear cover where you can see the capacitor or should i planning..., new pool—get ready for next season with the ultimate backyard upgrade – 1A 340038... Will trip the motor needs to be replaced make any difference which side the can! Sound comes from the motor shaft manually, the motor tries again to start B625 uses a capacitor. Isn ’ t take the capacitor, it ’ s not the capacitor is to... Capacitor value needs to be completely airtight: this is also why the capacitor by following the above. As a dirty filter, or PSC, motor ) ( 1 ) starting! Start, check to make sure your pump motor start capacitor rated at 124-149 MFD or! Is in place order to rule it out as well Swimming pool pumps and how test! Energy for the actual troubleshooting of the capacitor the more energy it can store able to turning! Fail so quickly sure your pump is down, the run capacitor deprives motor! That the motor and the starter is elsewhere on position it repeats this every 5-10 minutes is also issue. Now primed and ready to go bad right when you suspect you engaged! Used to store an electric charge 19 '17 at 5:30 \ $ \begingroup\ @!

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