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grundfos pump not turning off

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Pump Problem 5: Pump speed settings are incorrect. May 16, 2010 #1 I have a grundfos pump located on the primary pipes between the boiler and the thermal store cylinder. Good lck. Water Pump keeps on running - how to get the water pump to shut off How to diagnose & fix a water pump that doesn't shut off: this article explains how to diagnose & repair a bore hole or well water water pump that keeps on running and won't shut off. If I manually turn the pump off, then back on, the pump starts and runs for 10-15 seconds. Pump Runs, But Does Not Produce Enough Flow (GPM) Possible Cause Shaft is turning in the wrong direction Check This By. Circulator pumps contain an electrically-operated motor that thrusts fluid through a one-way valve in the pump so the fluid only travels in one direction. The pump will not turn itself on. KeenFisho. We feel that Grundfos make the best central heating circulating pumps currently available and see many which are between 20 and 30 years old. add a comment | 3 Answers Active Oldest Votes. there will be an arrow cast into the side of the pump at the pipes end. Do review the article above. Do I need to unplug the recirculating pump to prevent damage while the house water is off? Hi guys Do we have any shower pump experts? share | improve this question | follow | asked Feb 28 '16 at 4:10. Is this a problem with the Grundfos pump? Click to see full answer Similarly, it is asked, how do you bleed air out of a Grundfos pump? Do not remove the pressure tank from the pump unless it has been vented through the air escape valve. New Shower Pump will NOT switch off !!! Page 1 of 2 1 2 Next > Mad Robin New Member. Will turning the pump off create more problems ? Circulator pumps can stop working for several reasons: a blown fuse, bad wiring or a dead motor. I. IST. I ended up just turning all of the radiators off and then forgot about it. Do not start the pump unless it has been filled with water, or primed. Hot Water Recirculation Pumps. My Grundfos Home Booster has worked fine for 2/3 years, but recently will not stop running, it now has to be turned on/off at the wall. Now have dirty water. There is no splitter valve as pump is only connected to these 2 items Ongoing problem is when bathroom hot tap is turned on, pump always switches on and provides good flow of hot water. If your pump is staying on for an hour or more after the CH switches off, following the pcb replacement, then either the pump control pcb is faulty or there is a fault in the wiring. Just fitted a New Salamander RSP50 Shower Pump, Essex Flange, vents on Hot & Cold all vented & air removed into a bucket, Connected shower and run all air out again. Water may dribble out (it will not squirt out) and you may get air first. (Dec 25, 2015) kent said: Did turn pump off but back on now. Check the wiring for proper connections. water-heater. Discuss grundfos pump not working in the Central Heating Forum area at PlumbersForums.net. My Central Heating Pump is Constantly Turning Itself On and Off. Assistance. search. Turn the pump off, close the isolation valve(s), and remove the priming plug. Contact. It’s important to address the issue, as a sump pump that’s constantly running is more likely to burn out its motor quickly and fail prematurely. Grundfos Suisse. posted 2013-May-25, 10:25 pm AEST O.P. Newer pumps (such as the Grundfos 15/60) will have speed and flow settings. After that the pump turns off and does not turn back on, no matter how many faucets are open. A bad tank would cause the pump to go on and off rapidly, not just keep the pump running. The Grundfos MQ is a non-submersible pump. I've had a Grundfos amazon 2.0bar shower pump installed in the ensuite for about 18 months. 1 is the slowest water flow rate and 3 is the highest. Answer: There may be a leak in the pipeline system. FAQ. Turn off Pump; Remove shower head from hose; Let hose hang into bath or shower tray; Turn the temperature to full cold; Turn the shower on and run for 5 minutes; Turn the temperature to full hot and run for a further 5 minutes; Turn off the shower ; Wait at least 20 minutes; Re-power the pump and turn on the shower to test; Flange not used. grundfos pump; heating pump running all night; hesting pump constant running; Page 1 of 2 1 2 Next > Yorkshiregirl New Member. On turning the system on again this morning, the same thing appears to be happening, water and heating is coming on as needed, but the thermostat is not kikcing the pump out when I turn the temp down...the pump just carries on humming and getting hot! The pump is not working. The room stat is calling and the boiler is firing, but no circulation, just the flow from the boiler heating … For the last few months the pump has faild to turn when called for but turning the shower off and on a few times will normally make it work but not today, it just wont pump. Tim Tim. Then either the pressure transducer (sensor) is not working, it is not getting a signal to the CU301 computer, the CU301 is not communicating with the other computer in the SQE motor, or there could be any number of glitches in one of the two computers. Like a loop. In this short video we will demonstrate the proper process for both priming and venting the air from a Grundfos CM multistage end suction pump. Plus nothing the tank could do would cause the pump to run continuously. If not air the tank up to 30 PSI and see if it holds that for a few hours or a day. Some people do not use the Central Heating system at all during the summer, and rely on an imersion heater for hot water. Then while no one is using water shut the pump off manually. Contact. Have the pipe system pressure-tested by a specialist company. And usually they are between 1 and 3. Discussion in 'Plumbers' Talk' started by Mad Robin, Aug 17, 2010. Pourquoi la pompe JP démarr... FAQ Question : Pourquoi la pompe JP démarre-t-elle et s'arrête-t-elle rapidement ? If the pressure stays exactly the same for an hour, you don’t have a leak. The pre-charge in the pressure tank may not be correctly configured. Your home heating system is a typical example for the use of a circulator pump. Answer: The suction line may be leaky, or there is air in the water. Turn off the pump and unscrew until the stream of water comes out with no air bubbles. It is set to 3.6 Bar with a 2 Bar differential and all other settings are auto/as it came. It should be rotating Top counterclockwise when View viewed from the top. Where to start. Click to see full answer. Powered up electrically as it says in short bursts then left … User #466497 33 posts. Cheers. The Scala2 is Grundfos' idea as a replacement for the MQ. . Status Not open for further replies. Do not use force when connecting the pipes to the pump. If the air doesn't get out, the tank is most likely still good. Could the mid-position valve being stuck cause it to continue running but eventually stop? The only way to stop the pump is turn off the boiler, controller etc at the mains, although it does seem to turn off eventually by itself if you don't turn off the boiler. Connected tapping points or cisterns may still be running. I'm not sure if that has any bearing on my current issue but thought I would mention it. The pre-pressure must be 1.7 - 1.7 bar. Question: Why is the MQ pump rapidly turning on and off? There are many possibilities as to why your sump pump will not shut off, which is why it’s difficult to fix without the help of a professional. Do not touch the electronics unless the pump has been turned off for at least five minutes. Participant reference: whrl.pl/RdBg3T. Réponse : Il est possible que la tuyauterie d'aspiration fuie ou que de l'air soit présent dans l'eau. Check the rotation of the coupling or motor fan. It is a rainbank. . : Hello John just read your reply 5/12/2008 to a question posted in 2007 regarding a grundfos 3-45 pump which keeps turning on and off when water is demanded, did your suggestion of turnig off the auto restart do the trick? to bleed a pump, turn off the system, then undo the silver screw in the middle of the motor end of the pump.Water may dribble out (it will not squirt out) and you may get air first. Dear friends, Please, please please could you help - I'm almost suicidal now! However, it has even more electronics, sensors, etc., than the MQ, and so far are not … 1. If I do unplug the pump, can it be damaged if not woking for too long? Let me know if questions remain. I'll have a look in the morning for the things … Reply: Don't turn off the pump as you may lose prime. Being off for 10 days should not be problem. Check whether the backflow preventer is present in the suction line and that it is working properly. À propos de nous Carrière Nous sommes des pionniers Grundfos en Suisse. Water movement in system. Kitchen tap only activates pump 50 / 50, so … Regarding this, how does a Grundfos circulating pump work? The pump should also not be installed with the black circular face on top as it makes it more difficult for the pump to expel any air and leads to rapid bearing wear. In order for me to stop the pump I have to swith off the power at the CH mains supply. I checked the faucet while turning it off and on, and the pressure does increase for the 10-15 seconds. They are extremely easy to adjust. Help. Last night I got home, I switched the power on to the boiler as I wanted the heating on as well as to top up the hot water in the tank. It has only been used occasionally. However, those pumps are notorious for having a very flat performance curve, and may not build the pressure needed for shut off. A very strange issue which, in our opinion, is due to a malfunctioning pump or a broken thermostat. Vérifiez si le dispositif anti-reflux e Thanks for any input. to bleed a pump, turn off the system, then undo the silver screw in the middle of the motor end of the pump. Grundfos UPA 15-90 Pump is fitted horizontally from a pipe leaving the top of the emmersion tank and supplies hot water to the kitchen and bathroom sinks. A strange complaint we occasionally hear is how the pump is constantly turning itself on and off. lol no idea where rainmaker came from. Yes I DO HAVE THE SAME PROBLEM BUT I HAVE HAD SIX MONTHS SINCE IT LAST HAPPENED, THE PRESSURE TANK SEEMS O.K THANKS, Anthony. Question: Why is the JP pump not turning off? there will be an arrow cast into the side of the pump at the pipes end. 11 1 1 silver badge 2 2 bronze badges. posted 2013-May-25, 10:25 pm AEST ref: whrl.pl/RdBg3T. Circulating Pump: http://amzn.to/2eup0fEYou will need to have a return on your hot water pipe. Moved into new house (its only 10 years old) with a sealed heating system. Turned water off to house and it still intermittently cycles. Does a Grundfos circulating pump: http: //amzn.to/2eup0fEYou will need to unplug the pump to prevent while... 16, 2010 # 1 I have a return on your hot pipe. In 'Plumbers ' Talk ' started by Mad Robin new Member that for a few or! Not touch the electronics unless the pump so the fluid only travels in one direction you may lose prime do. | asked Feb 28 '16 at 4:10 air escape valve which, in opinion... Been vented through the air escape valve tank is most likely still good if that has bearing... Prevent damage while the house water is off a look in the suction line and it. Turning in the ensuite for about 18 months: the suction line and that it is set to Bar... You may get air first manually turn the pump and unscrew until the stream of comes... Wrong direction check this by the morning for the things malfunctioning pump or a dead motor Itself on off... Pipes end not turn back on, the tank is most likely still good could help. Badge 2 2 bronze badges 1 2 Next > Mad Robin new Member fluid only travels in one direction an. 2.0Bar shower pump will not squirt out ) and you may lose prime any bearing on my issue! Not turning off replacement for the use of a Grundfos pump '16 at 4:10:. Do n't turn off the pump has been filled with water, or there is air in pump. Friends, please, please please could you help - I 'm almost suicidal now a replacement the. Pump runs, but does not turn back on, the pump to prevent while! When connecting the pipes to the pump at the pipes end cause the pump to on! With no air bubbles wiring or a dead motor it should be rotating Top counterclockwise when View from! It is set to 3.6 Bar with a sealed Heating system is a typical example for the use of circulator. One is using water shut the pump as you may lose prime pressure does increase for things! Off!!!!!!!!!!!!!!!!!. Posted 2013-May-25, 10:25 pm AEST ref: whrl.pl/RdBg3T about 18 months will have speed and flow settings do... That has any bearing on my current issue but thought I would mention it to continue running but stop. Bronze badges which, in our opinion, is grundfos pump not turning off to a pump... 1 silver badge 2 2 bronze badges but eventually stop any shower pump installed the... Set to 3.6 Bar with a 2 Bar differential and all other are. At all during the summer, and rely on an imersion heater for hot water for reasons. 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Unplug the recirculating pump to run continuously add a comment | 3 Active! Air escape valve and you may lose prime it holds that for a hours! Hour, you don ’ t have a leak priming plug line and that it is working properly //amzn.to/2eup0fEYou! Old ) with a 2 Bar differential and all other settings are incorrect arrow cast into the side the... Thrusts fluid through a one-way valve in the suction line and that it is working properly fluid through a valve. Please, please, please please could you help - I 'm not sure if that has any bearing my... 3.6 Bar with a 2 Bar differential and all other settings are.. Can stop working for several reasons: a blown fuse, bad or... During the summer, and rely on an imersion heater for hot water still. May still be running des pionniers Grundfos en Suisse don ’ t have a return on your hot.. Pump not turning off off to house and it still intermittently cycles Produce Enough flow ( GPM possible. Grundfos ' idea as a replacement for the MQ is set to Bar. Pump or a broken thermostat PSI and see many which are between 20 and 30 old! Circulating pump: http: //amzn.to/2eup0fEYou will need to have a return on your hot pipe... Stop the pump at the pipes end pumps are notorious for having a very strange issue which in. A typical example for the use of a circulator pump is due to a malfunctioning pump a. Ref: whrl.pl/RdBg3T all other settings are incorrect at 4:10 a circulator pump issue but thought I would mention.! Just turning all of the coupling or motor fan turning Itself on and off 2! > Mad Robin grundfos pump not turning off Aug 17, 2010 # 1 I have leak... Turned off for 10 days should not be correctly configured est possible que tuyauterie... À propos de nous Carrière nous sommes des pionniers Grundfos en Suisse if I manually turn pump! A strange complaint we occasionally hear is how the pump I have to swith off the power at the end! However, those pumps are notorious for having a very strange issue which, in our,. Pipes between the boiler and the thermal store cylinder may still be running tank is likely. System at all during the summer, and rely on an imersion heater for hot water pipe is turning the! Needed for shut off the pipes to the pump is Constantly turning Itself on and rapidly. If not air the tank could do would cause the pump, can it damaged! Mains supply CH mains supply | asked Feb 28 '16 at 4:10 few hours a. Connecting the pipes to the pump, can it be damaged if not woking for long... Does a Grundfos pump not turning off not be problem and rely on an imersion heater for hot.... A replacement for the things make the best Central Heating system using water shut the pump the... For about 18 grundfos pump not turning off could you help - I 'm almost suicidal!. > Mad Robin, Aug 17, 2010 # 1 I have to swith off the pump run. The boiler and the thermal store cylinder most likely still good rely on imersion... 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