Impeller is damaged If the breaker (or fuse) sends power to other things, the pump can be shorted of voltage when it starts. Replace filter. We recommend the pump be plugged directly into an outlet (no extension cords) and that the outlet be the only thing powered by the circuit breaker (or fuse) that feeds it. Automatic pool vacuum causing restriction. Shaded pool area. If your capacitor has failed then it cannot give your motor the kickstart it needs to start up properly.
If youre a longtime pool user, you probably would have gotten used to the sound of your pool pump by now and any deviation from the normal noise will be quite noticeable. Call the factory for advice. Only an effluent style pumpwith tethered style switch should be used if laundry water is to be pumped. If this fixes things then youve dodged a pretty big bullet! Soap scum on probes of electronic float switch can make contact evenwhen water is gone "fooling" the switch. Probably the most common cause of sump pump failure is electrical in nature. Improper plumbing valve settings. You may have heard about pumice stones and how they can do wonders for your swimming pool surfaces. pentair vac head flexible flex Make sure that your pump lid o-rings are always well lubricated and free from any debris so they can create a proper seal for your pump basket compartment. This screeching sound is when water reaches your bearings and its no longer lubricated properly. That causes the pump to run hotter. You will need to remove the sump basin cover and assess your pump to determine the cause. Direct exposure to sunlight - While pool pumps are built to withstand the elements, apparently the sun didnt get that memo. Reinstall clamp around seal plate and volute and tighten securely. Place a wind break around pool. Control Board Failure.
Once the bearings start to corrode then youll get friction, and friction means heat! 
2022 Poolheatpumps.com. Do NOT attempt to adjust or service without consulting your dealer, or a qualified pool, b. Your pool pump motor actively generates heat so it follows that it needs airflow to effectively cool it off.
Inspect to see if check valve is stuck closed. LOW REFRIG Alarm:Refrigerant low pressure switch is open. This will vary depending upon pump model so consult your owners' manual for that information. Fill out a contact form to get a personalized response from our pool heating experts. Venturi air inlets are open. Possible Cause: Bad Thermistor or bad control board. Suction leak allowing air into the water flow. Automatic pool vacuum causing restrictionReclaim charge. If extension cord MUST be used, ensure it is heavy enough gauge for horsepower of pump and length of cord. Reinstall motor and seal plate into volute. Repair suction air leaks, grease pump lid o-ring.
Note:Turn off power to unit prior to attempting service or repair. Check supply voltage to the heat pump. Heat is the enemy of electric motors and can shorten the life of a pump dramatically. The second type of leak or an underground leak is a lot tougher to fix. The fix is actually quite easy, all you need to do is to. Not seeing what you need? Call your dealer or factory for advice if corrective action does not solve the problem. 
Bad refrigerant high pressure switch. Pressure side leaks - There are a couple of pressure side leaks that can cause a low water flow from your pump. Direct exposure to sunlight can raise the temperature of surfaces by up to 20 to 30 degrees! So if your pump itself is leaking then dont delay, replace your mechanical seal immediately! Make sure valve on suction line is working and open, (some systems do not have valves). Sprinklers spraying on the outer air coil during cooler temperatures. The water pressure switch should be adjusted to turn the, heater off when the pump is off. Normally, a pool pump should last anywhere from seven to ten years and a properly maintained pool pump should last more than that! Clean your filters - This is the number one cause for low water flow from your pool pump. Unit is plumbed backwards. Use a pool cover. And as a shameless plug, this is why pump warranties are as important as the features of a pump when considering a pool pump purchase! There can be two reasons for a pool pump to hum and not start properly. To fix it, scroll down below to our section dealing with an overheating pool pump. Adjust float switch per the owner's manual so it shuts off before it starts sucking air. Inspect & clean pump impeller. Faulty Compressor. Heat Pump is in the five minute safety delay and Compressor has not started. For adjustable TXVs open adjustable valve, it may remove the debris and Check Water level in pool. Using an extension cord or wiring to outlet is too light Internal bypass valve damaged or clogged with debris. Loud roaring sound - If your pool pump sounds like theres an avalanche inside of it then it means that your pump is starved for water. Take note, touch, not hold. Clean entire filtering system and or replace filter element. Possible Cause: 1. To extend the life of your pool pump here are some things to keep in mind.
The fan is obstructed, low air flow. One problem is easily fixed and one will require tinkering with your pool pump, so lets hope that its the first problem and not the second one.
Replace Compressor. Possible Cause: 1. Possible malfunctioning of the internal low refrigerant pressure switch. Your impeller might be clogged - The first cause of a humming pool pump might be a clogged impeller. Drill 1/16" to 1/8" anti-airlock hole in pipe just above pump's discharge and just below check valve. Faulty Compressor. Improperly installation will create an electrical hazard which could result in death or serious injury. Low water flow from the pump could either be a suction-side problem or a return-side problem. Add that with the heat generated by the motor and its just asking for trouble. (1) Remove left hand thread anti-spin bolt and O-ring. Motor is just humming -- not running Call your dealer for advice. This condition may appear if the heat pump has NOT been operated for an extended period.
Clean entire filtering system and or replace filter element. If you leave your pump in this condition then it can lead to cavitation, surge, and even to your pumps motor burning out. Dirty or worn filters or clogged lint traps. Please try another location. If your pump was just recently installed then this is definitely a voltage problem and unless youre confident in your electrical skills then its better for a licensed electrician to check and replace the wiring. Simply have too much water coming in Discharge air flow is restricted.
We have a detailed post. If your pump recovers prime on its own, then the leak or the blockage isnt enough to fully impede the flow of water to your pump, but its getting there! Replace either one if it is faulty. If you notice that the pumps position has shifted then its a pretty easy fix. The most common pump leak is from the connection point in between the pump body and the motor. Winterizing your pool do 1.2 Pool pump immediately shuts off after turning on, 1.3 Pool pump randomly shuts off after a few minutes, 2 - Strange sounds coming from the pool pump, 2.1 Humming sound coming from the pool pump and it wont turn on, 2.2 Screeching or roaring sounds coming from the pool pump while operating, 2.3 Loud vibrating noises coming from the pump, 3.3 Pump basket does not fill up with water. HIGH REFRIG Alarm:Refrigerant high pressure switch is open.
If your pump is properly shaded and you have proper air circulation/ventilation around your pump and youve ruled out any blockage, then the final thing to check would be your pump bearings. Simple enough problem right? Replace filter. For a loose connection, tightening the wires should do the trick. Now if youve successfully primed your pump but the water in your pump basket compartment still drops and youre back to square one, check your pump lids o-ring for debris or damage. Check water levels - This is the number one culprit for a pool pump to suck in air. You flip the switch and instead of the comforting (and sometimes annoying) roar of the pump, youre greeted with silence.
If it is hot, then thats indicative of your pumps motor overheating and thats your pumps thermal overload protecting your motor from overloading. Clogged intake lines - If everything else fails, then the only possible culprit is a clog somewhere in your intake lines. Be sure plump is plugged directly into outlet. Pulsing / Cavitation sound - This is related to the first problem. Improper plumbing valve settings. Remove obstacle or relocate pump or switch toavoid the obstacle. Caution: High voltage checks. If ice forms on the outer coil, shut the heater off and allow ice to thaw. Also make sure all other valves are open or in the proper positions to allow proper water flow through heat pump. Corrosion of internals - If theres something that represents a well oiled machine its your pool pump internals. Here are the things you need to check when flipping the pump switch does nothing. Contact a local dealer for help. Installing your pump in a shaded area or adding some sort of sun shade will take care of this problem easily, just make sure that the shade is far enough from the pump to allow for proper air circulation. Discharge pipe is rattling or banging against wall and/or floor joists WARNING RISK OF ELECTRICAL SHOCK OR ELECTROCUTION. Low or restricted water flow through heater.
Check suction piping and valve glands on any suction gate valves. Faulty Compressor contactor. Clogged filter pump impeller. Check if pump shuts off before float ball is all the way down. Call dealer or factory for advice before attempting to replace parts.
Separate pump plug from switch plug use hair dryer to dry them out. Set pool pump timer longer. If your pump is over five years old and its starting to show problems, you may want to consider getting a newer, energy efficient pool pump. Clogged filter pump impeller. Or Compressor internal protection devices are shutting off because of excessive debris. Unit ON, and Set Temperature is above Actual, but Unit is not heating. Pool is heating very slowly. Good thing the fix is quite simple, simply backwash your sand filter or hose out your filter cartridge then you should be good to go. It is recommended that the outlet be fed by its own circuit breaker (or fuse).
Inspect pit for anything that can cause the float ball to get stuck and notsettleto its 'off' position. Make sure that your sprinklers DONOT spray on the heater in any way what so ever. Using vertical style or electronic probe stylefloat switch in sump pit that gets laundry water You can also get an automatic water leveling device to ensure that your water level is where it should be at all times. Check the fan blade and make sure it is not slipping or broken. Clogged filter pump impeller. If you are not familiar with your pool filtering system and/or heater: Note: Turn off power to unit prior to attempting service or repair. Congratulations! Check the wiring - For some reason, rodents love chewing on wires. We overthought it and searched high and low for the possible causes when we found out that it was just a stuck weir door! Supply voltage should be between 208 and 260 volts.
Corrective Action: Test water temp to see if it is correct, if not, use the 10k ohm resistance test to verify thermistor. Union o-ring failure or suction side leaks - Just like your pump lid o-ring, your unions have o-rings and they can also fail (although not as frequently). Unit is forming ICE or Frost on the outer air coil, usually at the bottom. If this happens, the first thing you should check is the motor itself. Call your dealer or factory for advice corrective action does not solve the problem. DBE55523-A44D-49A6-A989-EEE5C3376099 Clean entire filtering system and or replace filter element. Minimum flow 30 GPM. Do you have any questions about this topic or the featured products? This happens when there is an obstruction or a leak in the suction side of your plumbing. Float switch is stuck Other Possibilities. Your spa thermometer is not reading the correct temperature. Most Pentair Sump Pumps offer a piggyback plug, meaning there are two plugs connected which plug into the wall. Dirty or worn filters or clogged lint traps. The symptom to an underground leak is pools of water on the ground that apparently came from nowhere. This likely means the suction on your pump is blocked by debris. Make sure heater is installed with the required placement clearances for air flow and roof clearance. For tethered style floats, ensure there is a minimum of 3" of cord betweenfloat ball and cord mounting bracket. Replace Capacitor. Air and water temperatures too cold to operate the heat pump. But in reality, once the mechanical seal starts to degrade, its not long before it totally fails, its just a matter of time. Inspect & clean pump impeller.
Check if your pump timer is set properly and that youre within the operating times.
, and ensure that your water levels are where theyre supposed to be! Unit cycles on and off, i.e. Unit is plumbed backwards. 2012 - If it starts to become noticeable or louder than usual then you may need to check the following things with your pump. If it does, but it pops fuse/breaker when plugged in through float switch, the float switch is bad. Install a section of flexible rubber hose (like radiator hose) between the pump discharge and the discharge pipe to provide noise insulation. Call dealer or factory for advice before attempting to replace parts. Check valve usually has an arrow on it indicating water flow.
You have recieved Free Shipping Australia Wide* on your order. It is cold outside. Fan is turning, no cool air discharge out of top of heater. grundfos rcp recirculation pump water tankless Outside air temp. filter pentair pool clean clear systems ground cartridge above combo pump system Low or restricted water flow through heater. To avoid possible electric shock, use a broom handle or similar non-conducting item to lift the float switch.
Inspect & clean pump impeller. Recharge with appropriate nameplate charge. Internal bypass valve damaged or clogged with debris. This causes air to get sucked into your pump along with the water. There are many ways to fix this and weve outlined them all in detail in this. Check resistance of switch, if open, replace switch. Remove screen from bottom of pump and make sure nothing is preventing the impeller from moving freely. Repair suction air leaks, grease pump lid o-ring. Bad refrigerant low pressure switch. Dirt and debris can accumulate inside of your filters which can cause low water flow. If the pump lid o-ring is damaged then a replacement is in order. Fan is NOT Turning.
Replace impeller if needed.. Review the videos on the Sump Pump Troubleshooting page to see how to replace your pump. You may use water at low pressure to thaw ice build up on the outer coil, shut the heater off when doing so. Water circulation pump not on. Call your dealer for advice. Pull vacuum and recharge. Click here for more information on how to determine if your pool has a leak, This is a very simple problem that can cause a lot of headaches down the line. Most Frequently Asked Troubleshooting Questions. Vibrations can loosen your couplings, and if the vibrations reach a certain point, they can even affect the other components of your pool pumping/filtration system as well.
Uneven base - Your pump should be on a level surface. explaining what pool pump surge is and how to deal with it here. Compressor contactor is stuck open. Ideally, your pool pump should only be sucking in water consistently but for those situations where you have pool pump flow problems, its best to know how to identify them so you can fix them as soon as they start to prevent them from causing more problems down the line. The pump will run when the switch reaches its 'on' level. It is very cold outside. Inspect & clean pump impeller. High wind speed over pool. 2. Can also try hanging the pipe with an exhaust hanger from an auto parts store. Pump itself is vibrating If you test your pump using the piggyback plug mentioned above, and it still works, you can replacethe float switch and keep using the same pump.. Corrective Action:Check the capacitor and fan motor. Check your skimmer weir doors - While it may sound funny, a stuck weir door can actually cause your pool pump to suck in air. In order to run it then has to draw higher amps. Repair suction air leaks, grease pump lid o-ring. Dirty or worn filters or clogged lint traps. SuperFlo Pump Installation and User's Guide, a. It is causing the water to move too fast in the pipe. pentair heater pool wire Check your skimmer and pump baskets - Full skimmer and pump baskets can impede the flow of water and cause your pool pump to suck in air instead of water! Cavitation - Your pool pump sucking in excess air may also cause excessive vibrations to your pool pump due to the varying speeds that your impeller spins at. Fault Condition: LOW WATER TEMP Alarm: Watertemperature below 40F. , check your pump lid o-rings for damage. Faulty Capacitor. Now, with that out of the way, lets proceed with the guide! Spa pump is not running. Pool pump is humming - see the next section on strange sounds coming from the pool pump for more information on a humming pool pump. Regularly empty out your skimmer baskets and pump baskets to prevent flow problems which may cause your pool pump to overheat. Make sure suction lines, pump strainer, and pump volute are full of water. Low refrigerant in system. Remove the clamp that holds the volute to the seal plate. Pump cord and float switch cord are plugged in separately Air blower is running. Hopefully this troubleshooting guide helped you identify and treat pool pump problems as they pop up! The fix to this is simple, simply clean out your impeller with a wire to fish out any debris thats stuck, just make sure that the pumps switched off or removed from the power source before doing this.
West: 213-291-9276Southwest: 214-764-8551 Midwest: 312-229-0026 Northeast: 631-223-7175 Southeast: 954-866-1644. Inspect impeller for worn or missing blades. Disconnect TXV bulb from suction line (SL), have it in your hand, if pressures go back to normal, then reinstall the bulb on suction line (it may have some debris stuck in the port). 1 - Pool pump power problems1.1 Pool pump wont power up1.2 Pool pump immediately shuts off after turning on1.3 Pool pump randomly shuts off after a few minutes, 2 - Strange sounds coming from the pool pump 2.1 Humming sound coming from the pool pump and it wont turn on2.2 Screeching or roaring sounds coming from the pool pump while operating2.3 Loud vibrating noises coming from the pump, 3 - Pool pump flow problems3.1 Pool pump is sucking in air3.2 Water flow from the pool pump is low3.3 Pump basket does not fill up with water, 4 - Miscellaneous Pump Problems4.1 Pool pump loses prime4.2 Pool pump is running hot4.3 Pool pump is leaking. Malfunctioning Defrost Thermistor. Verify water pump is on. Well, at full load, you should still be able to touch the motor end of the pump without burning yourself. Note: Detecting leaks in your unions can get tricky as there are no visual clues to this. Need help troubleshooting what is wrong with your sump pump? Repair suction air leaks, grease pump lid o-ring. Transformer should output between 24 and 28 volts. Compressor cuts on briefly and then off after Five minute delay before set point is reached. Here are some other pump problems that dont fit into the other categories and can be considered symptoms or warning signs of bigger problems to come. Pump lid o-ring failure - This can be easily identified if theres bubbling around your pump lid and theres a hissing noise. 2. Plug pump directly into outlet (without plugging into float's piggyback plug) to see if pump runs without popping breaker or fuse. If good, replace control board. If you are not familiar with your pool filtering system and heater: a. Secure lid on pump strainer pot and make sure lid gasket is in place. Heat exchanger clogged with debris. Fault Condition: LOW WATER FLOW Alarm: The pressure switch sensing water flow is open. So take an overheating pool pump as a symptom of a blockage or leak somewhere. Remove cord connector from top of pump and dry out with cloth or hair dryer. Check Alarm Status on Control Board for LOW REFRIG Alarm. Once water bypasses the mechanical seals and flows into your pump motor, its game over.
replace your mechanical seal immediately! Rio Bravo, Inc. Improper plumbing valve settings.