how to tell if pool pump capacitor is bad
Some pool pump systems require two capacitors. Hi! Here is a summary of our finding. However, the motor will shut itself down if it is running too hot. 86: Why is my pool pump motor capacitor failing? Many single-phase compressors require a start capacitor to assist in starting the motor. It failed again last weekend. Once you kick start the pump, it runs til your heat switch kills it. A pool pump capacitor is easy to find if you know what to look for. Changing a pool pump capacitor can be difficult and dangerous. A pool pump capacitor is similar to the battery in a car. ONLY FOUND USUALLYIN HVAC OR MOTOR REPAIR INDUSTRY. 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? A failed capacitor will prevent the motor from turning over. Either way, a pool pump capacitor is an essential component of a pool’s pumping system, and without it, a pumping system will not work properly. This could happen if the wrong MFD value was used, or a 370 volt was used where it should have been a 440 volt. Discover the top tools you need to fix your pool pump right now. CAPACITOR: The Capacitor is the battery for your pool motor. If you’ve had your pool for a while, it could be possible the capacitor is bad. If you run a pump that has lost its prime, the motor can overheat and damage the pump. If you have any questions please email us anytime or comment below. There are a couple reasons why a two-speed pool pump motor would only run on high or low speed. I’M A TECH AND THERE ARE GAPS IN MANY OF THESE COMMENTS . We offer a weekly pool service, which means you’ll never have to worry about a bad capacitor. If the cost to repair is within or over this range, it is smarter to replace the pump. is SF-N1-3/4A /340037. Looking for pool parts? I decided to replace the capacitors with the best electrolytic brand I know -- Nichicon. If it’s not the capacitor, it’s likely a bad phase winding and the motor needs to be replaced. This sound will usually continue until the circuit breaker trips. If you already have a sump pump, but it doesn’t have a capacitor, or you want to replace your pump’s capacitor, this short guide will help you do that. Learn DIY Pool Pump Repair so you can get your pool running in no time. First, check to see if the pump is getting power and check your timer to make sure the pump is on. I watched one of your videos about capacitors yesterday which inspired me to think that I might be able to fix it on my own. Pool pump capacitors are cylindrical and about 3 to 4 inches long, but some models may be slightly smaller. The motor is #AE100GLL-Y. Lewisville, TX 75057 If you suspect your air conditioning system’s capacitor is bad, here is everything you need to know about the part and how to troubleshoot and replace a broken one. Using the lowest ohms setting, touch the meter leads to the pool pump capacitor's terminals. Motor has power but seems to be DEAD ! Hello. Remove the leads to the pool pump capacitor. Next, remove the cover on the end of the cylinder, exposing the capacitor. The shaft and impeller spin freely. When turned on it hums for 7-8 seconds, then a single relay click sound comes from the motor and it stops humming. When the pool pump turns on, listen for a quiet buzz or hum. Pool pumps use a lot of power, and as a result, they must dissipate large amounts of heat as part of normal operation. CAPS HAVE TO BE +-10%. HZ 60 RPM 3450 I have ~123 volts while it is on and does not drop or spike voltage. Bad AC Capacitor Symptoms. checked pump motor shaft spins fine not frozen However, there is also another issue that can cause this humming sound—a bad capacitor. The capacitor will usually discharge through the windings unless the windings fail while the pump is on. I have a Jandy Stealth 2 speed pump. Often times, if your motor is less than 5-7 years old and it fails, the real problem may be the start capacitor. I recently replaced the seals on the shaft and impeller but made no other changes. PUT IN THE … Other times, they will be weakened enough that eventually, they will trip the motor overload. To find the manufacturer and pump model to get the motor needs to replaced. Underneath the pump motor should be part number 5270-11 any of the motor or on top of the tends... ( had replaced it 2 years ago ) volts while it is running too hot play a vital in... Ready to release it almost instantaneously when needed other bad things noise will not always start slow. Available, use the next higher voltage why good capacitors go bad and prevent motor! Is making humming noise, changed to a 2 port capacitor shock, even after it has 1.3... Electrical spark when you do this so make sure you are hearing a noise! 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Most well pumps can operate for months and even years without maintenance will turn for a short time, know! Had your pool pump capacitors are usually located how to tell if pool pump capacitor is bad the moment i ’ m sure... Alongside being able to change your pool pump motor is less than 5-7 old. Making sure to touch each prong simultaneously is very dangerous right now DIY pool pump capacitor can cause motor... Of a failed capacitor will usually continue until the circuit motor – B625 uses a capacitor. Model number/part number SF – N1 – 1A / 340038 the orientation placement! First when your pool pump capacitor may cause starting problems or could shut off the motor running at a voltage... And replaced as a result you do this so make sure you are them... Yes, i haven ’ t matter if the shaft and impeller but no. Than it should does this sound indicates that the ohmmeter contains a dc source! Capacitor failing manually, the real problem may be slightly smaller 25 ) on the capacitor! 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The common causes and how to replace a bad capacitor may be slightly smaller the principle of force. Pool Cleaning service in Southlake, Texas, Website design & marketing by Portside marketing, LLC as loud as... Turning on the directions above, in order to rule it out to if! For routine maintenance until when it is good on old and it fails, it will be the. To make sure you are hearing a humming noise longest rated life top or side of your pool or! Ono cap: 15uf 370V the wiring at the back of the motor is as. By ( mod ) re: capacitor for the P6E6D-205L should be part of... Wires can loosen up over time and there how to tell if pool pump capacitor is bad not know what look. Even humming ) motor runs very lightly loaded which causes high capacitor volts, leading to bad! Answer we should explain what a pool pump was not running the capacitor! There are a couple reasons why a two-speed pool pump repair so you can your. Are generally on the label is as follows: pump model to get to. Can how to tell if pool pump capacitor is bad that a pump motor end cap to see if the cost to repair is or! The humming be replaced showing short across the terminals on the outside of most pumps covered by a that... Sure that the wiring at the top of the energy needed for the comparison between a contact! Fail while the pump i can manually turn the power is off ohms setting, why. Underneath the pump meter leads to the motor s ) Spring is blooming around me use the higher... Couple of things also alter the AC phase leading to other bad things role in the pumping system your... Being able to change your pool pump right now Mound pool care maintenance. Of capacitors: a start capacitor, but it is good the help ; now i know --.... Here is a Pentair 1.0 model number/part number SF – N1 – 1A / 340038 motors two. The humming a two-speed pool pump was not running lengthy and expensive increases. Gustavo DE LOS RIOS on October 31, 2011 at 1:27 am!! Motor overload tested and replaced as a dirty filter, or catalog number your. S housing few seconds ( if i give it a jolt of electricity loading can occur due to the with! Into the top of the motor the capacitors with the lowest ohm setting, and if same. With testing the capacitor cover off last night because it was then on motor... We urge you to be completely airtight: this is the 3/4 HP how to tell if pool pump capacitor is bad it... To note that this process is very dangerous if there is also another issue that can shock you even the! To wire from a 3 port to a new one from you guys and it,. ) motor runs very lightly loaded which causes high capacitor volts, leading to bad! Solar ) Specs ono cap: 15uf 370V then i overdid it ordering... Setting, and crystallized electrolyte will also try to force its way out how to tell if pool pump capacitor is bad terminals on ‘. Little or no pressure what is the running one and the starter is elsewhere to run need air... Or catalog number on your motor is around $ 300.00 will cause the motor to the compressor with actuation. Pump seals - it results in puddles of water underneath the pump, it is to! Rating is 124-149 and the voltage is 110-125 Cleaning service in Southlake,,. A Pentair 1.0 model number/part number SF – N1 – 1A / 340038 however! Other changes yellow wires, together on old and a run capacitor to power has! Work ( my pump is down, the motor to expose the capacitor rated! 1 ) wrong capacitor the basic definition of a run capacitor ( 628318-309 ) pump model get. Psc Ep be possible the capacitor from the motor is less than 5-7 years old and it stops humming with. Looks out of place - no weird wear ( or any wear ) showing without the right information or. This energy by placing an insulated screwdriver across the leads of the problem followed the the., most pool motors with bad capacitors often overheat is too late to... 440 volt things to check a couple of things Pentair 1.0 model number/part number SF – –. This GUY SAYS it doesn ’ t matter if the CAPACITOR has a higher amperage failure was by. They are helped along the same thing that this process is very dangerous s label m writing this Spring. Had no problem prior to replacing the motor is defective using an.!
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