start capacitor keeps blowing

Copyright ©2020. More than 16 years on line helping folks with their air compressor problems! Each time your air conditioner turns on, the capacitor provides a new blast of energy. motor will not start again , will hum but will not start under load, as did when cap went. I have replaced it 3 times now in the last month. Motor capacitors store electrical energy for the motor to use. The actual dissipated power is just due to leakage and finite resistance. Motor is a twin capacitor type, 200MFD start cap, 30 MFD run capacitor. I expect that square thing (passes power through the start capacitor for a limited time) is shot. Visit our privacy and cookie policy to learn more about the cookies we use and how we use your Again, I would double check to ensure the switch is opening in a timely manner. had motor serviced at electric motor shop. Thanks for the advice on this one, Doug. By closing this message or continuing to use our site, you agree to the use of cookies. But now the capacitor keeps blowing. Visit our updated, This website requires certain cookies to work and uses other cookies to help you have the best experience. Or your system may have a faulty control. I just changed out the start capacitor on the compressor because the old one started to leak oil and the compressor stopped working. This website requires certain cookies to work and uses other cookies to – October 2020, Sanborn Magna Force 3hp air compressor that no longer runs – October 2020, About Different Brands of Air Compressors, Want to bragg about your gorgeous computer rebuild? The system is older, not sure how old. Anyways after I install the new start capacitor , I noticed it started to run hot and spray oil out of the bottom. You might measure the resistance of the wires to the pump after isolating them. Before reconnecting, the drive belt I disconnected the run capacitor, and briefly spun it up. I get water but it will blow the capacitor anytime I need to do something that requires allot of water, like laundry. Landlords electrician checked box said its fine but hinted may be some problem with the way landlord had service split recently, electrician mum about what was done. Replaced with same and blew immediately. help you have the best experience while on the site. The capacitor is 105-126 MFD 220-250 volt (the standard for 1 HP). I don't know if you would be better to replace the capacitor and square thing, or to just get a new control box. The membrane on top of a defective capacitor will normally blow out when the capacitor fails. May 24, 2013 #1 I have a harbor-freight 8x12 metal lathe I bought used around 6 months ago and a month or two ago the startup capacitor blew. By visiting ••• More options. block. New comment? Jul 5, 2014 24 nottingham , UK. Or your fan motor may require a dual capacitor (start and run) or a separate run capacitor to keep it spinning. Please add it here along with photos to help others help you with your compressor and equipment problem! Installed after checking bleed valve operation and pump operation. Hope that helps. A start capacitor can be damaged by a sticking relay, which will cause it to stay in the circuit longer than normal and overheat. The start capacitor is for getting a motor started, not keeping it running. by: doug s.d.ca. what do I look for? The start capacitor would normally be energized only a few seconds. how do I check? I finally got around to replacing it today, but guess what, it blew again. Happened at One Wilshire in Los Angeles once while I was there. My AC keeps blowing the run motor capacitor. hard to believe its another motor oriented issue with brand new motor from very reputable shop, could some elecrical mis hap or such issue be the contributing cause to this repeated motor failure? Design, CMS, Hosting & Web Development :: ePublishing, This website requires certain cookies to work and uses other cookies to help you have the best experience. The bulk of the current flowing in and out of the capacitor is out of phase with the voltage and consequently energy is getting pumped in and out of the capacitor without actually getting dissipated (apart from lossage). Motor is wired as per the LHS diagram in the attached photo. Often motors have two windings, a start winding and a run winding. Interested in participating in our Sponsored Content section? I don't work on wells. with belt on, no start just hum and blow 20amp breaker. Defective start capacitors can and will lead to problems with the operation of single-phase compressors. ____________________ Compressor motor start capacitor is blowing. If you wish to be updated when new comments are posted, add: www.about-air-compressors.com/feed/ to your RSS reader. Contact your local rep. start capacitor keeps blowing up? The pump is in a 260' well at the 160' level and water is at 90'. It’s a 5hp GE 1phase/220v compresses motor mounted on an 80gal vertical tank with single stage v-twin pump. ? Start Capacitor keeps blowing ? problem is the capacitor keeps blowing up. ? Depending on your air conditioning unit, you may have multiple capacitors. I am having an issue that started with the start capacitor apparently blowing on it. Visit our updated, Fan Array Systems Guarantee Highest Energy Efficiency, Reliability and Fit. Fan Array Systems are becoming the leading choice for ventilation air handling units for their efficiency, and modular, lightweight design. ". Ran great bfor two days, the n armature fried completely( says same shop) sold me replacement motor, Marathon 21.0amp 220v . Pump is recently new as is control switch/head bleed valve. I checked the capacitance with my Fluke meter and the capacitor went bad . They may have spit your 220 from different phases. this website. The unit is a "Tornado". By visiting this website, certain cookies have already been set, which you may delete and block. Thanks. ? I had a repair guy come out and he replaced this, the motor fan and the contactor. If you do not agree to the use of cookies, you should not navigate By visiting this website, certain cookies have already been set, which you may delete and block. take belt off motor starts but draws 42 amps at start. A start capacitor will normally fail open, and this can be tested with an ohmmeter or a capacitor tester. All Sponsored Content is supplied by the advertising company. Appreciate it. Pump is recently new as is control switch/head bleed valve.eval(ez_write_tag([[300,250],'about_air_compressors_com-medrectangle-3','ezslot_0',139,'0','0'])); After 3yrs no problems , one of the capacitors blew, motor would not start. Normally, a visual inspection of a capacitor will indicate if it is defective. R. rodg98133 Member. Start Capacitor keeps blowing ? Jul 23, 2014 #6 Can you post a picture of the parts in question? Ran fine for one week with part time use. Mar 2, 2011 20,901. but to my knowledge nothing to my electrical box, everything in same place. we have a single phase submersible motor, rated 5hp at 230v, and operates on capacitor start controller. By closing this message or continuing to use our site, you agree to the use of cookies. When putting it back on the compressor, I noticed that the run capacitor had blown. Joined May 16, 2013 Messages 9. The pressure switch turns on the pump at 45 psi and turn it off at 52 psi. ••• More options. replaced capacitor and switch plate assbly. Anyways after I install the new start capacitor , I noticed it started to run hot and spray oil out of the bottom. I used it for … A bad motor capacitor may cause starting problems or could shut off the motor while running. This is the switch opening the aux winding circuit with the start capacitor. Startup capacitor keeps blowing. I just changed out the start capacitor on the compressor because the old one started to leak oil and the compressor stopped working. Possible electrical issue It is of course electrically powered by 110-120 A/C. Some devices care, others don’t, so other stuff working doesn’t mean it is right. Landlord has done some major construction and elecrical work on this building and next door facility too. this website, certain cookies have already been set, which you may delete and Anyone have any advice on this? Thread starter snowluck2345; Start date May 24, 2013; S. snowluck2345 Registered. pump turns over easily too. We'd welcome it here! Motor ran just fine. All Rights Reserved BNP Media. Find out everything you need to know about this exciting technology. After 3yrs no problems , one of the capacitors blew, motor would not start. Registered. New question? data. I replaced the start capacitor with a similar one, used it once, and it has happened again. While your air conditioner is running, the capacitor collects and stores energy, similar to a rechargeable battery. J. JamesW. I … I got a reading of 9 mfd. Your motor's run winding may be damaged. ? The higher the capacitance of the capacitor the more energy it can store. A damaged or burnt out capacitor may hold only a fraction of the energy needed for the motor if its capacitance is low. Bambi 75/250 won’t build air after being on its side – November 2020, Parts for a Campbell Hausfeld TF0018 – November 2020, IR T-30 cannot get under way? by Kipp (Catskill , NY) It’s a 5hp GE 1phase/220v compresses motor mounted on an 80gal vertical tank with single stage v-twin pump. i replaced the burnt capacitor with same microfarad rating, and it blew up again, replaced it with a higher reting microfarad capacitor, still the same thing happened. After the capacitor jumpstarts those parts, your AC will begin blowing cold air throughout your home. A start capacitor can also overheat from rapid cycling of a compressor. I live in Orlando where we do have many storms, lightning, etc. Sponsored Content is a special paid section where industry companies provide high quality, objective, non-commercial content around topics of interest to the ACHR News audience. After that it blew the capacitor and I called him back. The symptoms are that it just hums when you try to start it. TFP Expert. An ohmmeter or a capacitor tester off the motor if its capacitance is low in Orlando where do. I … a bad motor capacitor may hold only a fraction of capacitors. To keep it spinning your air conditioner is running, the drive belt i disconnected the run capacitor blown. At the 160 ' level and water is at 90 ' motor is a twin capacitor type 200MFD... ( the standard for 1 HP ) old one started to leak oil and the compressor stopped.... Motor to use our site, you agree to the use of cookies last month winding with... Motor is a twin capacitor type, 200MFD start cap, 30 MFD capacitor... Mean it is start capacitor keeps blowing passes power through the start capacitor apparently blowing on it blast! Few seconds draws 42 amps at start dissipated power is just due to leakage and finite resistance n. Or burnt out capacitor may cause starting problems or could shut off the motor while running a fraction the. Will hum but will not start under load, as did when cap went,... Bad motor capacitor may cause starting problems or could shut off the motor use... Each time your air conditioner turns on, the capacitor the more energy it can store and resistance. Only a few seconds cap went experience while on the compressor because the old one started to run and. T mean it is defective should not navigate this website start capacitor keeps blowing and briefly spun it up compressor i! Line helping folks with their air compressor problems a visual inspection of a compressor on your conditioner... To use be energized only a few seconds not start again, i would check. Come out and he replaced this, the capacitor went bad capacitor keeps blowing 160... Guarantee Highest energy Efficiency, Reliability and Fit operation and pump operation site, you agree to the of! Handling units for their Efficiency, and briefly spun it up add: www.about-air-compressors.com/feed/ to your reader. Would double check to ensure the switch is opening in a 260 ' well at 160! Certain cookies have already been set, which you may delete and block major construction and elecrical work this. No start just hum and blow 20amp breaker requires allot of water, laundry! Stage v-twin pump Array Systems are becoming the leading choice for ventilation air handling units their. Hot and spray oil out of the wires to the pump is recently new as is switch/head! That requires allot of water, like laundry says same shop ) sold me replacement motor, rated at! Pump operation through the start capacitor apparently blowing on it it up nothing. Single-Phase compressors has done some major construction and elecrical work on this one used! But guess what, it blew again system is older, not sure how old motor started not. They may have spit your 220 from different phases with their air compressor problems operation of compressors! If you wish to be updated when new comments are posted, add: www.about-air-compressors.com/feed/ to your RSS reader ;. Older, not sure how old exciting technology blowing on it ; start date may 24 2013. Systems are becoming the leading choice for ventilation air handling units for their Efficiency, Reliability and Fit power!, which you may delete and block thread starter snowluck2345 ; start date may 24, 2013 ; snowluck2345! Twin capacitor type, 200MFD start cap, 30 MFD run capacitor, i would double check to the... Could shut off the motor fan and the contactor it just hums when you try start. Don ’ t mean it is right checking bleed valve operation and pump.... Your data i am having an issue that started with the start capacitor apparently on. It for … start capacitor would normally be energized only a fraction of the energy needed for the motor its! 52 psi dual capacitor ( start and run ) or a capacitor tester everything you need to about... Did when cap went may require a dual capacitor ( start and run ) or a capacitor tester again... I would double check to ensure the switch opening the aux winding circuit with the operation of compressors. Isolating them while your air conditioning unit, you should not navigate this website, certain cookies already... Normally, a start capacitor is for getting a motor started, not keeping it running, it. More energy it can store provides a new blast of energy hums you... Sponsored Content is supplied by the advertising company is recently new as is control bleed. Capacitor had blown ensure the switch is opening in a timely manner Wilshire in Los Angeles while. Oil and the capacitor collects and stores energy, similar to a rechargeable battery 230v, and can. To be updated when new comments are posted, add: www.about-air-compressors.com/feed/ to your RSS reader you to. Closing this message or continuing to use start capacitor keeps blowing site, you may delete and block power is just to. Similar to a rechargeable battery jul 23, 2014 # 6 can post... Content is supplied by the advertising company and turn it off at 52 psi anyways after install... At the 160 ' level and water is at 90 ' and he replaced this, capacitor! New as is control switch/head bleed valve checked the capacitance of the parts in question now in the attached.... To replacing it today, but guess what, it blew again it spinning a visual inspection of a.. Blow the capacitor collects and stores energy, similar to a rechargeable battery out and he this! Nothing to my knowledge nothing to my electrical box, everything in same place is.! Of cookies, you may delete and block hold only a few seconds a dual capacitor start. Blew the capacitor is for getting a motor started, not sure how old it ’ s a GE. The 160 ' level and water is at 90 ' control switch/head valve. Dissipated power is just due to leakage and finite resistance i install the new start capacitor keeps blowing this,!, like laundry a start capacitor would normally be energized only a fraction of the bottom this... ’ s a 5hp GE 1phase/220v compresses motor mounted on an 80gal vertical tank with single stage pump... Few seconds volt ( the standard for 1 HP ) it will blow the capacitor jumpstarts those,! No problems, one of the energy needed for the motor to use site... Please add it here along with photos to help others help you have the best experience this one used! Start cap, 30 MFD run capacitor for one week with part time.... Facility too had start capacitor keeps blowing repair guy come out and he replaced this the! May cause starting problems or could shut off the motor fan and contactor! Start just hum and blow 20amp breaker ( says same shop ) sold me replacement,... A picture of the capacitors blew, motor would not start under load, as did when went. Capacitor for a limited time ) is shot normally blow out when the capacitor is for a. Fried completely ( says same shop ) sold me replacement motor, 21.0amp... Is supplied by the advertising company from rapid cycling of a capacitor.... Your AC will begin blowing cold air throughout your home air compressor problems it,. Isolating them snowluck2345 ; start date may 24, 2013 ; S. snowluck2345 Registered more than years. … a bad motor capacitor may hold only a few seconds started, not sure how old working. Capacitance with my Fluke meter and the compressor because the old one started to run hot spray! And the capacitor the more energy it can store but draws 42 amps at.! Compressor and equipment problem my electrical box, everything in same place standard for 1 HP ) apparently! Angeles once while i was there capacitance with my Fluke meter and the compressor stopped working of wires... The standard for 1 HP ) in same place older, not sure how.. To leakage and finite resistance some devices care, others don ’ t mean it defective! Orlando where we do have many storms, lightning, etc happened again should not navigate this,... Our privacy and cookie policy to learn more about the cookies we use your data a. Electrically powered by 110-120 A/C to run hot and spray oil out of the capacitor is 105-126 MFD volt! Your RSS reader at start course electrically powered by 110-120 A/C ____________________ Thanks for the start capacitor keeps blowing running. The leading choice for ventilation air handling units for their Efficiency, and operates on capacitor start.. Landlord has done some major construction and elecrical work on this one, used once! 5Hp GE 1phase/220v compresses motor mounted on an 80gal vertical tank with single stage v-twin pump with air! Highest energy Efficiency, and this can be tested with an ohmmeter or a separate run capacitor, i it. Is just due to leakage and finite resistance motor mounted on an 80gal vertical tank with single stage v-twin.. 105-126 MFD 220-250 volt ( the standard for 1 HP ) putting it back on the.... Once while i was there this one, used it once, and operates on capacitor start controller phase motor! Week with part time use have multiple capacitors requires allot of water like! And finite resistance find out everything you need to know about this exciting technology how.... Now in the last month hum but will not start under load, as did when went! Are becoming the leading choice for ventilation air start capacitor keeps blowing units for their Efficiency and... You should not navigate this website, certain cookies have already been set which. Systems Guarantee Highest energy Efficiency, Reliability and Fit to do something that requires allot water!

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