What’s the part number for the start capacitor for the SF-N1-3/4A (340037) ? A defective run capacitor can cause the motor to run at a higher amperage. When the motor is close to running speed, the Start capaciotor is switched out of the winding circuits. If you’ve owned a pool for a short time, you may not know what a pool pump capacitor is. The good news is, since I am familiar with having done this before (pool built in 2009), it was very easy to replace and pool started right up! Hello – the Polaris Booster Pump Motor – B625 uses a start capacitor 124-149 MFD (BC-124). What gives? 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. Light loading can occur due to restrictions such as a dirty filter, or a suction leak. The thing spins great until I connect to the wet end. Click here to shop our store. When your pool pump fails, it doesn't always mean it's time for a new motor. ALL OF YPU SHPULD BE CALLING A MOTOR TECHNICIAN. The Start capacitor is switched into the the motor's winding circuits on start up to help the motor turn over and come up to speed. We’d be glad to assist you. The pump basket isn't filling with water. This could happen if the wrong MFD value was used, or a 370 volt was used where it should have been... 2) Motor runs very lightly loaded which causes high capacitor volts, leading to failure. What else can I try? Discover the top tools you need to fix your pool pump right now. On an analog meter the needle should move rapidly to right then slowly drift to the left. The ONLINE Store had them two for $17.60. If your air conditioner is not blowing cold air, a bad capacitor may be the reason. Flower Mound Pool Care and Maintenance LLC, Lewsiville - Main Office Another cause of humming could be a seized motor shaft. 0 comments. If this is the case for your hot tub or spa motor it is a good idea to check both. A picture of the motor label would be most helpful. THIS GUY SAYS IT DOESN’T MATTER IF THE CAPACITOR HAS A DIFFERENT RATING , HE’S FULL OF SHT. Hello Bob – The paper is used to isolate the circuit. This is a part that costs less than $20.00 and can be easily tested and replaced as a DIY activity. Pool pump motors are located on the ‘dry end’ of the pump and convert electrical energy into mechanical energy. They both look similar to a large battery. Is your pool pump motor humming, but not turning on? I’ll take a look at the Cap but I believe the motor is 230v. 1. Thanks for your attention. The replacement start capacitor for the P6E6D-205L should be part number 5270-11. Does it matter If capacitors are bad if there is no “humming” from motor ?! You can test the capacitor, following the directions above, in order to rule it out as well. The most prudent way to ascertain a capacitor is not bad is to use a multimeter with a capacitor … Standard pool pump capacitors are only good for around 5000 starts before they go bad. 1 wire to condenser motor and 2 wires to fan motor. Replacement capacitors must have the same MFD or UF rating as the original. What capacitors would this take? Avinash Motor capacitor needs vary from none to type (start vs start/Run) and by capacitor size - that data is specific to the motor you have and should be in its manual. The MFD/UF rating is 124-149 and the voltage is 110-125. P10000AFC Thanks! There is a run capacitor and a start capacitor. A failed capacitor will cause the motor to hum or buzz when the start cycle is activated. Will come back on maybe about 3-5 minutes later and repeat the same thing. If you have any questions please email us anytime or comment below. 2 yellow wires, together on old and a red wire on another port. Woke up this morning and pool pump was not running. Overheating is a primary cause of a failed start capacitor. That’s fine as long as the MFD rating was the same (25) on the old capacitor. Not sure how to wire it up. If a digital meter is used, readings should start low and rapidly increase to maximum value. Once you’ve located the pool pump capacitor and turned off the power to your pump, you can test the capacitor for life. Next, remove the cover on the end of the cylinder, exposing the capacitor. Do I have to take this off to get the information that I need to order the correct capacitor to try or is the information that I gave above enough to know which to order? 0 comments. Hi, My hot tub pump will not always start on slow speed. HZ 60 RPM 3450 Because of this, pool motors with bad capacitors often overheat. Higher amps mean more wattage and more wattage means more heat. Here is a summary of our finding. You can find the pool pump capacitor underneath a hump on either the top or side of your pool pump. We call them dual because the capacitor helps run both the fan and the compressor. In general, most pool pumps need to get up to a speed of 3450 RPM before they can run off another energy source. These are questions that many ask when they need to replace a bad capacitor in their air conditioner. But what would make the run capacitor fail so quickly? What do you think I’m dealing with? I have one on the side that I believe is a Run capacitor, wanted to know if it also had a Start capacitor, The B748 motor is a run capacitor only type. Capacitors usually act as an open circuit and so if testing with a multimeter shows open, its probably good. Serial 056103M The first method to know if a capacitor is dead is to use your ears. Chances are it is a Pool Pump Capacitor. I have power to both the timing box and pump itself. At the moment I’m writing this, Spring is blooming around me. Pool pumps are self-priming, which means when started up, they release all the air from the system, creating a vacuum that starts and maintains a suction. pump was shut off this morning tripped circuit breaker Pump model Pentair 1.0 HP whisperflo WFE4 Run capacitors are generally on the outside of most pumps covered by a metal case held on by 2 screws. Does this sound like a capacitor or should i be planning for a whole new pump? Standard pool pump capacitors are only good for around 5000 starts before they go bad. Could it be the capacitors. I have a Hayward pump sp32152ee. The new one I bought is a 25 MFD 440V run capacitor. installed new start capacitor on my table saw. Slip a heavy piece of paper between the points on the switch. The pump is the 3/4 HP (using it for solar) Learn DIY Pool Pump Repair so you can get your pool running in no time. First…. is SF-N1-3/4A /340037. 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. You can test the capacitor by following the steps in the article above. When the pool pump turns on, listen for a quiet buzz or hum. Account Chat 1 Day Shipping Check Zip close Enter Zip Code: Submit Please provide a valid zip code. The old capacitor A bad motor capacitor may cause starting problems or could shut off the motor while running. We also offer pool repair services if you need them. If the cost to repair is within or over this range, it is smarter to replace the pump. I get a humming when the power is switched on. Before attempting to remove the capacitor, grab a screwdriver with a plastic or rubber handle. Hello. I have a Jet 102m that is working when connected to power but has little or no pressure. Overheating is a primary cause of a failed start capacitor. Run capacitors can fail for several reasons. More Details. We offer a weekly pool service, which means you’ll never have to worry about a bad capacitor. The Pool Pump Basket Does Not Fill with Water. Low Water Pressure. Why Good Capacitors Go Bad Repeated use of a run capacitor gradually diminishes its efficiency to store voltage. The basic definition of a capacitor is a device that’s used to store an electric charge. Motor was just humming to begin with. was by Genteq 50/60Hz 370VAC. Copyright © 2020 INYOpools All rights reserved. Other symptoms of a pool motor overheating would be an oversized impeller, bad windings or high voltage. You can opt-out if you wish. But, then I overdid it by ordering the variant with the lowest resistance and longest rated life. Above Ground Pools are BACK IN STOCK! A pump that is leaking water is usually a bad shaft seal or a loose pipe connected into the top of the pump. You can verify the specifications by looking at the start capacitor on your motor. 628318-307. This website uses cookies to improve your experience. If your air conditioner is not blowing cold air, a bad capacitor may be the reason. Humming. As the capacitor ages, it provides less voltage to the compressor with each actuation. Once you locate your pool’s pump capacitor, you can begin testing it. Thanks for the quick reply! The best way is to short the capacitor with an insulated tool and then remove one of the wires, which will also ensure that only the capacitor is in the circuit being tested. If the pump is on and you are hearing a humming noise, it could be a bad capacitor. Leaks can also come from loose drain plugs or loose on bolts on the seal plate, connecting the motor to the pump. The capacitor voltage can be different from the motor voltage. A capacitor showing short across with a multimeter is definite gone. ? See best offers on Start Capacitor, 124-149 MFD, 115V from In The Swim. It allows the pool pump to get up to speed before it switches over to using a different power source to run. When your pool pump tries to turn on, the capacitor may be bad if you can smell a burnt electrical smell. There should also be a start capacitor at the back of the motor. The capacitor is what starts the pump by giving it a jolt of electricity. If the needle or number starts at zero and doesn’t move, the capacitor is bad and therefore needs to be replaced. Motor shaft spins freely. Higher amps mean more wattage and more wattage means more heat. Start capacitors are usually located at the back of the motor and the run capacitor is located at the top of the motor. It provides the energy needed while starting, to reach 3450 rpm quickly. Combine that with the fact that most pool pumps operate in direct sunlight during the hottest part of the year, and you have the potential for an overheated motor. This guide gives you a few other things to check: My Pool Pump Runs On Low Speed But Not On High Speed. Been running good now nothing… Any suggestions? The capacitor will be inside the removed cylinder on one end. After installing the new one, it will turn for a few seconds (If I give it a spin first). 3/4 hp with 0.94 S.F. CAPACITOR TYPES - A pool pump can have two types of capacitors: a Start capacitor and A Run Capacitor. Place the probes of the ohmmeter on the two terminals of the capacitor; the capacitor should first show continuity, then quickly go to infinite resistance (open circuit). It failed again last weekend. The AE100GLL-Y uses a start capacitor 2509516-002 and a run capacitor (628318-309). 3) Capacitor may have had a defect from new. Find out what a motor capacitor does, key symptoms of motor capacitor failure, and how to tell if your motor capacitor is bad right now. A bad capacitor may lead to the motor running at a higher amperage than it should. 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