there will be an arrow cast into the side of the pump at the pipes end. 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. I checked the faucet while turning it off and on, and the pressure does increase for the 10-15 seconds. share | improve this question | follow | asked Feb 28 '16 at 4:10. Réponse : Il est possible que la tuyauterie d'aspiration fuie ou que de l'air soit présent dans l'eau. The pump will not turn itself on. They are extremely easy to adjust. Question: Why is the MQ pump rapidly turning on and off? Tim Tim. 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. It is set to 3.6 Bar with a 2 Bar differential and all other settings are auto/as it came. water-heater. Answer: The suction line may be leaky, or there is air in the water. Status Not open for further replies. I'll have a look in the morning for the things … 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. Contact. We feel that Grundfos make the best central heating circulating pumps currently available and see many which are between 20 and 30 years old. Will turning the pump off create more problems ? FAQ. grundfos pump; heating pump running all night; hesting pump constant running; Page 1 of 2 1 2 Next > Yorkshiregirl New Member. À propos de nous Carrière Nous sommes des pionniers Grundfos en Suisse. Check the wiring for proper connections. 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. After that the pump turns off and does not turn back on, no matter how many faucets are open. 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. Thanks for any input. I ended up just turning all of the radiators off and then forgot about it. to bleed a pump, turn off the system, then undo the silver screw in the middle of the motor end of the pump. May 16, 2010 #1 I have a grundfos pump located on the primary pipes between the boiler and the thermal store cylinder. Then while no one is using water shut the pump off manually. : 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? 1. Do not start the pump unless it has been filled with water, or primed. Turned water off to house and it still intermittently cycles. Pump Problem 5: Pump speed settings are incorrect. Circulator pumps can stop working for several reasons: a blown fuse, bad wiring or a dead motor. Water movement in system. Could the mid-position valve being stuck cause it to continue running but eventually stop? Page 1 of 2 1 2 Next > Mad Robin New Member. New Shower Pump will NOT switch off !!! A very strange issue which, in our opinion, is due to a malfunctioning pump or a broken thermostat. 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. Is this a problem with the Grundfos pump? Moved into new house (its only 10 years old) with a sealed heating system. The Scala2 is Grundfos' idea as a replacement for the MQ. If I do unplug the pump, can it be damaged if not woking for too long? Some people do not use the Central Heating system at all during the summer, and rely on an imersion heater for hot water. add a comment | 3 Answers Active Oldest Votes. Where to start. However, it has even more electronics, sensors, etc., than the MQ, and so far are not … Newer pumps (such as the Grundfos 15/60) will have speed and flow settings. Hot Water Recirculation Pumps. The room stat is calling and the boiler is firing, but no circulation, just the flow from the boiler heating … If the pressure stays exactly the same for an hour, you don’t have a leak. 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. . It is a rainbank. Do not use force when connecting the pipes to the pump. Contact. I. IST. posted 2013-May-25, 10:25 pm AEST ref: whrl.pl/RdBg3T. Pourquoi la pompe JP démarr... FAQ Question : Pourquoi la pompe JP démarre-t-elle et s'arrête-t-elle rapidement ? Like a loop. 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. 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. Connected tapping points or cisterns may still be running. Turn the pump off, close the isolation valve(s), and remove the priming plug. there will be an arrow cast into the side of the pump at the pipes end. . Do review the article above. Let me know if questions remain. A strange complaint we occasionally hear is how the pump is constantly turning itself on and off. A bad tank would cause the pump to go on and off rapidly, not just keep the pump running. Click to see full answer. The pre-pressure must be 1.7 - 1.7 bar. Discussion in 'Plumbers' Talk' started by Mad Robin, Aug 17, 2010. 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. Dear friends, Please, please please could you help - I'm almost suicidal now! Assistance. 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. 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. However, those pumps are notorious for having a very flat performance curve, and may not build the pressure needed for shut off. User #466497 33 posts. It should be rotating Top counterclockwise when View viewed from the top. Regarding this, how does a Grundfos circulating pump work? Vérifiez si le dispositif anti-reflux e Kitchen tap only activates pump 50 / 50, so … KeenFisho. The Grundfos MQ is a non-submersible pump. 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. Water may dribble out (it will not squirt out) and you may get air first. 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. I've had a Grundfos amazon 2.0bar shower pump installed in the ensuite for about 18 months. Grundfos Suisse. In order for me to stop the pump I have to swith off the power at the CH mains supply. Do not remove the pressure tank from the pump unless it has been vented through the air escape valve. 1 is the slowest water flow rate and 3 is the highest. Plus nothing the tank could do would cause the pump to run continuously. 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. Being off for 10 days should not be problem. 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. Now have dirty water. (Dec 25, 2015) kent said: Did turn pump off but back on now. Discuss grundfos pump not working in the Central Heating Forum area at PlumbersForums.net. Circulating Pump: http://amzn.to/2eup0fEYou will need to have a return on your hot water pipe. Turn off the pump and unscrew until the stream of water comes out with no air bubbles. My Central Heating Pump is Constantly Turning Itself On and Off. Do I need to unplug the recirculating pump to prevent damage while the house water is off? Have the pipe system pressure-tested by a specialist company. If the air doesn't get out, the tank is most likely still good. Click to see full answer Similarly, it is asked, how do you bleed air out of a Grundfos pump? And usually they are between 1 and 3. If not air the tank up to 30 PSI and see if it holds that for a few hours or a day. Help. Good lck. 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. Reply: Don't turn off the pump as you may lose prime. If I manually turn the pump off, then back on, the pump starts and runs for 10-15 seconds. Question: Why is the JP pump not turning off? Participant reference: whrl.pl/RdBg3T. Hi guys Do we have any shower pump experts? Answer: There may be a leak in the pipeline system. Pump Runs, But Does Not Produce Enough Flow (GPM) Possible Cause Shaft is turning in the wrong direction Check This By. Check whether the backflow preventer is present in the suction line and that it is working properly. Cheers. 11 1 1 silver badge 2 2 bronze badges. search. I'm not sure if that has any bearing on my current issue but thought I would mention it. The pump is not working. It has only been used occasionally. Powered up electrically as it says in short bursts then left … 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 pre-charge in the pressure tank may not be correctly configured. 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. Your home heating system is a typical example for the use of a circulator pump. posted 2013-May-25, 10:25 pm AEST O.P. Do not touch the electronics unless the pump has been turned off for at least five minutes. lol no idea where rainmaker came from. Check the rotation of the coupling or motor fan.