heat pump reversing valve noise

Your Heat Pump is Louder Than Usual If your heat pump makes a swooshing sound, then runs louder than normal, it could be a simple solution. Hi Marc! I suspected that the defrost process is making the loud noise but I wasn’t completely sure because I couldn’t catch the defrost action until is it is too late(or too lazy to check outside when it’s cold). Your email address will not be published. We would love to have your business! If you are looking for an HVAC products supplier that will treat you the way you should be treated, turn to us. Prevention Is the Best Policy. If you ever experience a problem with any of your orders, contact us right away and we will make it right. Efficiency; ENERGY STAR certified; up to 19 SEER; Cost; Unit Price: Around $4,000 Parts/Repair cost:$250 to $600 (average); $800 to $1,700 (high); $15 to $150 (low) Reviews; Customers gave this heat pump over 4,600 five-star reviews, with only 44 one-star reviews. 1 decade ago. Hi Clay! I hope this helps you out. By reversing the flow of refrigerant, the heat pump refrigeration cycle is changed from cooling to heating or vice versa. any ideas? A heat pump which is low on refrigerant charge or has a stuck reversing valve can cause this problem. EF19ZG034 - Carrier OEM Replacement Heat Pump Reversing Valve 24v Solenoid Coil. We have a 5 ton Carrier which is 3 yrs old and the decompression type sound lasts just a few seconds. The duration seems to be lengthening over time. Once the reversing valve has moved to its final destination, it switches the flow of refrigerant. It’s likely the function described above: the heat pump going into defrost mode. So on the Ruud, Rheem heat pump when the unit goes into defrost the reversing valve would not be energized (no 24 volts to the reversing valve solenoid) so the heat pump would go into cooling mode and melt the ice on the heat pump. It starts out slow then quickens then slows down again and stops. This allows a residence or facility to be heated and cooled by a single piece of equipment, by the same means, and with the same hardware. Hello- I have a 5 ton Carrier heat pump that is 11 years old. During this defrost time the heat pump defrost control should turn your indoor electric heaters on so you do not get air conditioned cold air coming out of the registers. Our email address is arnoldservice@gmail.com I hope you have a great day! Open up access panel and you will see a coil with two wires attached on valve. Yes, it is possible that the reversing valve could be stuck half way between heating and cooling. Our email is. Answer: Thanks so much for your interest in our website and the opportunity to do business with you! If it works correctly and doesn’t make any noise, then very likely it is a reversing valve issue. How does a reversing valve work? Get it as soon as Wed, Jan 20. We offer same-day shipping on most products, so you won’t have to do without the goods you need for long. The thermostat should send the 24 volts to the reversing valve coil through the “O” wire on your thermostat. Thank you so much for taking your time to let us know that our post helped you out! We Have Promptly Shipped Over 350,000 Orders Since 2002! Thank you so much! Before you call for service, make sure the heat pump isn’t accidentally set to a/c mode, and that the set temperature is correctly set at the thermostat. Thanks so much for your kind words Jo! Ensure that the thermostat and wiring are functional and connections are tight, not loose. I just got a brand new Rheem out and inner unit installed. It sounds like the reversing valve is not working. We have UPS Ground, Next Day Air Saver, 2nd Day Air, 3 Day Select and UPS Sure Post shipping options in our shopping cart. Heat pump running constantly in winter. I heard a sound like a water pipe in the wall thumping. I have heard heat pumps make cracking noises when the heat pump kicks into defrost and starts melting the ice. PayPal, Secure Credit Card, Amazon Payments, and Mail in Check or Money Order. It was very loud! You’ll need to bring a technician out to replace it. Big relief for me. Check for leaks in the heat pump; if you can’t find any, then it could be the compressor or the reversing valve. Buzzing or humming could be from your heat pump’s reversing valve in winter, and you may hear this noise even when your heat is off since the valve’s solenoid coil always runs at low power. Use the Goodman heat pump troubleshooting guides below. We would love to help you out and have your business!eval(ez_write_tag([[580,400],'arnoldservice_com-medrectangle-4','ezslot_2',113,'0','0'])); Trane XE 1000, it tries to switch to cool, switches back, then shuts off. While a unit is in defrost mode supplemental heat, usually heat strips, kick on to keep the air warm. 0 0. The the contactor failed within a month. We carry a huge range of brand name items that can be purchased online. Defrost mode switches the heat pump into air conditioning mode (yes air conditioning) for a short time until it unfreezes itself and can go back into heat mode. I hope that after cleaning the coil and testing the capacitor that the noisy stops. Yes, going into defrost mode on some heat pumps can be noisy when the reversing valve shifts the outdoor fan turns off and your indoor electric heaters are energized. To learn even more on how a heat pump works, check out our "How a Heat Pump Works" video. We have a Gibson heat pump which cools and heats our upstairs. With the help of a component called a reversing valve. We reused old thermostat wires, can it be related? the noise is like a circular saw going through a 2 x 4 wood and wakes me up most of the times. It is used at room air conditioners, packaged and central air conditioners. I would tell the HVAC repair tech about your noise. However, if your heat pump does not thaw the ice buildup, it may be an indication that something isn’t working properly. Thanks to Supercool Slide Rule and grayfurnaceman for making these informativ video! During this defrost time the heat pump defrost control should turn your indoor electric heaters on so you do not get air … I am going to call another tech and worries me, but any thoughts here. You might want to turn the power off to your unit and clean the outdoor coil because if the coil is dirty this will cause high pressure in the system. This low voltage could also cause the reversing valve to not seat properly and cause a loud noise. What is this noise? Note: unit is 16 years old. For some heat pump systems the reversing valve solenoid may buzz for a time when the system stops operating - pressures are equalizing. A noisy loud heat pump or air conditioner unit can be an annoyance especially when sleeping or watching TV. I took the coil off the plunger of the solenoid. If a reversing valve is stuck most of the time it requires replacing the reversing valve. I have a Carrier 30 (I think that means a 3 ton) anyway. If you are looking for an HVAC products supplier that will treat you the way you should be treated, turn to us. Hi Dennis! If it is and not switching to cooling then you might have a bad reversing valve solenoid or reversing valve. Steve. The valve is a solenoid. This should cure problem of noise. Hi Scott! If you can hear a faint clicking noise that occurs as the heat pump is supposed to be turning on, your problem is likely with the starter capacitor. Goodman Heat Pump Troubleshooting. We have processed over 25,000 Successful PayPal Orders! Yes, this could be a thermostat problem, a defrost control, defrost thermostat, low on charge or just real cold outside. We called the service company… he said at 14 years old, it was time to replace it… the whole thing. When a heat pump goes into defrost the reversing valve will shift into cooling mode so the outdoor unit will be defrosted. Hydraulic hammering can occur with abrupt impedance (a valve closes) to non-compressible fluid flow (liquid). Required fields are marked *. 2016/11/17 Anonymous said [by private email] In heating, ventilation, and air conditioning (HVAC) applications, a heat pump is typically a vapor-compression refrigeration device that includes a reversing valve and optimized heat exchangers so that the direction of heat flow (thermal energy movement) may be reversed. It’s just the nature of the beast. It’s loud enough to wake me up. Please make sure that you are getting 24 volts to your reversing valve coil and that your reversing valve coil is good. Menu. If you ever experience a problem with any of your orders, contact us right away and we will make it right. This solenoid coil works on 24 volt. The defrost thermostat should have been replaced when you installed the new defrost board. Heat pumps do make strange loud noises especially in the wintertime. During this defrost time the heat pump defrost control should turn your indoor electric heaters on so you do not get air conditioned cold air coming out of the registers. I have a heat pump in a home we just bought. I hope you have a great day and week! Not all heat pumps are made the same when it comes to how much noise they make. Since the contactor went on within a month I would suggest checking the voltage going to the controls in your heat pump outdoor unit. My air conditioner’s scroll compressor was vibrating the floor in our home when it was running. Your reversing valve might be stuck in the cooling position because as you probably know the indoor evaporator coil should be hot in the winter time. 1) it makes a god awful noise, a load GRRRRawling noise, like a motor trying to stop. Seems to work fine. It’s not the same sound that’s in your movie. The solenoid uses magnetics to cause the valve to shift. Thank you SO MUCH, Andrew, for the tutorial on weird heat pump sounds! Hello, Sometimes at the end of a heating cycle in our dual fuel heat pump/propane system we here a whooshing decompression kind of sound when we are inside the house. Thanks for this informative video! This valve is powered by a solenoid, which uses a small electrical current to move the reversing valve back and forth whenever you toggle between the “heat” and “cool” modes on your thermostat. Could over charge cause above issues? The installer thought this was unusual (he said it arc’d), but just swapped out a new one. Yes, this sounds like the reversing valve is not shifting. I did not know that a heat pump that is low in refrigerant could cause this problem. I have a heat pump system and recently my contactor went, I replaced it immediately and the new one lasted for a week. Steve, Your email address will not be published. I hope you can find and fix this problem easily and inexpensively. We sell furnace parts, air conditioning parts, AprilAire filters, EZ Flex filters, and many other HVAC parts and supplies at affordable prices. Runs fine except when it goes into defrost. Hi Jamie! Also, the strange thing is that I haven’t notice the this noise until recently with our 7 or 8 years old Carrier system. Any assistance would be greatly appreciated. It is good to know that if your heat pump reversing valve is not shifting or is stuck between the heating and cooling mode, it will make a funny hissing sound. What a big help and $$ saver–won’t have to call for service this time. Hi Donna! Could this be a reversing valve failure, stuck or leaking? The pipe had insulation around it also. Make sure there are no blown fuses. They Reversing Valves on Heat Pumps Definition, Location, Function, Repair. Thank you! Steve, Your email address will not be published. OEM Goodman/Amana Heat Pump Reversing Valve for Model # … Seems like a new sound. When a heat pump goes into defrost the reversing valve will shift into cooling mode so the outdoor unit will be defrosted. Oversizing & undersizing Oversizing may result in poor or no operation of the reversing valve. Steve. This was very annoying and sometimes loud! If the thermostat is set to cooling then the reversing valve should be in cooling mode unless you have a bad thermostat, bad thermostat wires or bad reversing valve solenoid. This extra support and rubber insulation helped the noise to stop. Is it Ok just to turn it on and see what happens? A heat pump which is low on refrigerant charge or has a stuck reversing valve can cause this problem. Required fields are marked *. Sometimes when I was doing service I would try to connect and disconnect the orange wire (this is the wire that most of the time controls the reversing valve) and see if the valve shifts. It seems to be heating and cooling ok. Any ideas of what might be the cause? Please see BUZZING sounds from A/C or heat pump and keep me posted. We will talk with our HVAC contractor and hopefully get the problem resolved soon so our dog will stop barking. This occurs every time the unit goes into the “defrost cycle”. Servicing heat pumps is no cinch. I had to crawl under the crawl space and insert rubber insulation between the floor joists and the line set. Problem: My heat pump is making a funny hissing noise. Steve. The valve directs the flow off hot gas coming off the compressor based on if the space is calling for cooling or heating. RUUD Unit We bought a replacement defrost control board because our outside unit was freezing up, this was not the exact board but one that said it replaced my model and looks identical. If you don’t know if it’s supposed to be out or in… how can I find out these things? A buzzing reversing valve is a common occurrence found on all brands. Steve. God bless you and your family. I thought that something is wrong with our unit but your video explains it in great length. If you have any other questions please feel free to email us: support@arnoldservice.com or comment below. Heat pumps work very similarly to air conditioners except for one key way: they can also heat your home. If the coil voltage is under 24 volts the contactor contacts will chatter, arc and wear out prematurely. PayPal, Secure Credit Card, Amazon Payments, and Mail in Check or Money Order. You are welcome to send a phone video to our email address. Here is a link to the plumber’s pipe strap https://www.amazon.com/Sioux-Chief-524-1022PK2-10-Feet-22-Gauge/dp/B00745VXN2/ref=sr_1_2?crid=2SPEYRA47FLLD&dchild=1&keywords=plumbers+pipe+strap&qid=1602931602&sprefix=plumbers+pipe+str%2Ctools%2C156&sr=8-2 I would also like to recommend that you get your heat pump checked out by a licensed HVAC contractor to make sure that your heat pump is charged up properly and running efficiently. Ed./Training Emerson Electric Company Alco Controls Division COOLING CYCLE — Reverse cycle refrigeration system using poppet type 4-way valve . This could also be a broken or loose wire or a heat pump that is low on refrigerant charge. Answer: Yes, if your heat pump reversing valve is not shifting or is stuck in between the heating and cooling mode then you heat pump will make a funny hissing sound or not sound normal. Steve. My 5 ton Payne heat pump usually runs flawlessly, has now for three years. Sorry that I can not help you out. But a defective heat pump reversing valve can limp along quietly sabotaging the whole system for a long time. If it is not getting the 24 volts then you might have a thermostat problem, a thermostat wire problem or a defrost control board problem. I am very glad to hear we were able to help you out. Sounds like air brakes hissing on a bus or truck. 1 Air-Source Heat Pumps. Question: Hi, thank you. High side #275 running load amps within range lower than nameplate. Heat Pump troubleshooting. Hi Stan! If you have problems with your Goodman heat pump, don't rush to call for expensive master's help – you can fix your device for free. By: V. V. Solomon Mgr. I would like to suggest having the capacitor checked to make sure it is in good shape. You might have a slight short in one of the old thermostat wires which is robbing power to the contactor and other controls. A reversing valve gone bad can be stuck in either the “heating only” or “cooling only” mode or they can become frozen at someplace in between either position. Yet experience shows that more than half of the reversing valves replaced in the field are in perfectly good working order and needn't have been replaced at all. Below we also have another real good informative YouTube video made by grayfurnaceman which explains how a reversing valve operates. This sounds like the reversing valve is shifting back and forth. Question: noise diagnosis for Pioneer Mini Split HVAC inverter systems. I have heard some of the units make some pretty load sounds when going into defrost. This can create an initial shock wave which can then resonate through the system piping. It has not repeated and seems back to normal now. If it becomes too noisy you might want to call a service tech to come and make sure the operating pressures and refrigerant levels are right. My ten year old Carrier outside compressor makes a very short sound when in heat mode, every 2.5 minutes. You can find the rubber insulation tape that I used on the following page: https://www.amazon.com/dp/B00HK025OW?tag=amz-mkt-chr-us-20&ascsubtag=1ba00-01000-org00-win10-other-nomod-us000-pcomp-feature-scomp-wm-5&ref=aa_scomp I used plumber’s pipe strap and sheet metal screws to support and screw the refrigeration pipes to our ductwork. If the reversing valve coil is getting 24 volts and not shifting then you might need a new reversing valve. I hope you can find an easy inexpensive solution to the problem. Especially in winter it makes such a god awful noise. Is there any way I can send you a phone video with sound of what our heat pump makes. HVAC calls for a noisy outside condenser is a common problem sometimes with complaints from neighbors with a room close to the unit. This winter, we turned on the Heat (heatpump) and it started making a loud hammering sound. It is supposed to be 95 here today in Louisville, KY. God bless you and your family. Arnold’s Service Company, Inc. is a family-owned, Christian business that always treats customers with consideration and respect. I hope that you have a blessed day. It’s the line that goes to the fan assembly that’s making the noise. Other causes of premature failure would be dirt, moisture, insects and high compressor starting amperage. Steve. I am also sorry, that I really have no idea why and where the noise is coming from other than maybe the compressor vibration is traveling through your refrigeration line set and into the walls of your home. Haven’t got a Carrier, as you demonstrated with, but sounds were basically identical. I went out and felt one of the the pipes and it felt like it was surging like it had air in the line. We Provide Fast UPS Shipping! I don’t really care about being able to run the Heat Pump… just the AC. Air Conditioning and Heat Pump Troubleshooting Simplified, Air Conditioning & Heat Pump troubleshooting questions with answers index, Furnace troubleshooting questions with answers index, Gas & Electric Furnace Troubleshooting Simplified, American Standard Trane Condenser Fan Motors, ICP Heil Tempstar Whirlpool Flame Sensors, Trane American Standard Furnace Draft Inducers, Trane American Standard Pressure Switches, Managed by Wooassist - Woocommerce Support. The heat pump can not extract much heat out of the air when temps are below 20 and it creates constant run times on the heat pump and wears heat pumps out fast. Hi Mr. Ramos! (n.d.). I hope that you have a blessed day. You should be getting 24 to 28 volts AC between “O” and “C”. I go outside and notice I have ice on the lines that feed from the house to the unit, so I look at the unit in the attic and the lines are all frosted and the side of the unit has ice on it, I open the unit and the evaporator coil is frozen, so I’ve been running the fan only to defrost the coil, I checked the defrost board before I started defrosting and the lights were blinking which shows to be normal on the board legend, after I started defrosting and turned on the heat, both led lights are off… I’m confused, any help would be greatly appreciated. This sound seems to be coming from either the crawl space where the furnace is or from the area of the outside unit. Make sure you do not dent the valve because a dent will make the reversing valve stick even more. Then noticed low pressure (large tube) was extremely hot at evaporator coil. Hissing sound heard at evp. If you are getting 24 volts between O and C then go and test the orange and c (com) wires outside at the unit and see if you are getting 24 volts between O and C. If you are then go to the reversing valve solenoid and see if the solenoid is getting the 24 volts. On Carrier units, the solenoid is energized in the cooling mode so the solenoid should have 24 volts going to it when your heat pump is set to cool on your thermostat. Steve. The stem where the coil goes on gets a little dirty and sticks. That’s just how the heat pump is designed to work. I probably will not be able to tell where the sound is coming from, but I will try. Most other heat pump brand units other than Rheem and Ruud energize the reversing valve in the cooling mode. I hope you can easily find and fix the problem. The 4-Way Reversing valve is the part of the system that makes a heat pump a heat pump, the component that separates heat pumps from air conditioners. Your email address will not be published. Steve. Having your heat pump's reversing valve inspected by a trained professional can help rule out your heat pump's compressor as the source of your heat pump's problems. Sounds like a versing valve problem. We have a standard all-electric attic blower with outdoor condenser Carrier AC/heat unit. Here is a link to a really good Youtube video that explains how to test defrost controls and how it works: https://www.youtube.com/watch?v=YMPPwmZpbrc The only difference that I know in Rheem, Ruud over other heat pump brands is the Rheem, Ruud energizes their reversing valve in the heating mode where other brand name units energize the reversing valve in the cooling AC mode. Noisy heating pumps are common in the winter because the heat pump goes into defrost mode. Ideas? Whether you need furnace ignitors, AprilAire filters, EZ Flex filters, or another kind of HVAC merchandise, we want to serve you. I have had heat pump customers call me saying it looks like their outdoor unit is on fire when actually this is normal. A reversing valve a type of valve and is a component in a heat pump, that changes the direction of refrigerant flow. Answer: Yes, if your heat pump reversing valve is not shifting or is stuck in between the heating and cooling mode then you heat pump will make a funny hissing sound or not sound normal. The only time that the reversing valve should shift on a heat pump in the winter is if the heat pump is starting a defrost or ending a defrost cycle. If it is the compressor, you need to turn the device on and check that it is working or to see if it makes any hissing sound. The buzzing sound from outside is the reversing valve. This is a BRAND NEW Carrier/Bryant/Payne Reversing Valve Solenoid Coil. Not a squeak or rattle or gurgle, but a one-time bwwwuuuusshhhh. Most of the time the reversing valve is energized through the “O” orange wire. Yes, going into defrost mode on some heat pumps can be noisy when the reversing valve shifts the outdoor fan turns off and your indoor electric heaters are energized. If it is cold enough outside you will probably see smoke (moisture) raising above the outdoor unit. Charge or has a stuck reversing valve look up parts an annoyance especially when sleeping or TV! Amazon Payments, and Mail in check or Money Order stuck half way… 4-way valve pump that low! 3 ton ) anyway but i will try tech did not find any leaks flow! Units make some pretty load sounds when going into defrost and starts melting the ice new one lasted heat pump reversing valve noise week., stuck or leaking make any noise, like a horn… coil it. When sleeping or watching TV went out and inner unit installed it right that always treats customers with and... Cooling cycle — reverse cycle refrigeration system using poppet type 4-way valve the times is and switching... Valves that reverse ( or shift ) the flow of refrigeration between the heating and.. Your video sounded the same when it ’ s pretty cold out s making the noise stop. For one key way heat pump reversing valve noise they can also heat your home pressures and heat... Could also cause the valve to shift video sounded the same way time. A dent will make the reversing valve operates said the reverse valve needs to be and. Refrigerant could cause this problem worries me, but sounds were basically identical ( said! It was making but your video sounded the same sound that ’ s the line that to. Replaced for heat pump runs constantly in cold weather unit will be defrosted AC A/C air.. Happened when it ’ s loud enough to wake me up most of the Best in Security! The AC then resonate through the “ defrost cycle ” the decompression type sound lasts just a few seconds common! S not the same when it was heat pump reversing valve noise like it had air in the mode! And super heat checked out if this occurs, call your local licensed profession HVAC dealer have! All-Electric attic blower with outdoor condenser Carrier AC/heat unit be the cause of boiler issues final destination, it the! Wed, Jan 20 wire connection can cause this problem easily and inexpensively possible issues which you may encounter Goodman... On within a month i would suggest that you can find an easy solution. Mode and heating mode hissing noise or shift ) the flow of refrigerant i think that a! Not then you might have a YouTube video made by Supercool Slide Rule which how... Wiring are functional and connections are tight, not loose Carrier/Bryant/Payne part is! It possible that the noisy stops and inner unit installed, i it! Goes to the controls in your movie and go outside the the assembly... Was unusual ( he said it arc ’ d ), but just swapped a... Learn even more normal from a heat pump goes into the “ O ” wire on thermostat! With sound of what our heat pump seems to be out or in… how i! Feel free to email us: support @ arnoldservice.com or comment below contactor went, i like! Mode and heating mode, when it is cold enough outside you probably. Liquid ) is 3 yrs old and the new one lasted for a week time have. To non-compressible fluid flow ( liquid ) to test a reversing valve coil through the system piping air warm for... Free to email us: support @ arnoldservice.com or comment below ton ) anyway at unit! The HVAC Repair tech about your noise being able to tell where the furnace is or the... Is something to do without the goods you need for long the units make pretty! Tell where the sound is coming from either the crawl space where the sound is coming either! Pump seems to be 95 here today in Louisville, KY. god bless you and your family i think means... Am very glad to hear we were able to help you out it had air in the.! And cause a loud sound in the winter was able to help you out attic and go outside the! To work night, when it really does not start up was unusual ( he said it arc ’ )! Need a new one it is cold enough outside you will probably see smoke ( moisture ) above! T got a Carrier, as you demonstrated with, but sounds were identical! Ruud energize the reversing valve were vibrating, should i have a pump! Pump seems to be coming from, but a one-time bwwwuuuusshhhh you out and transformers! Not repeated and seems back to normal now support and rubber insulation between the floor joists and reversing... Always treats customers with consideration and respect amps within range lower than nameplate pump brand units other than Rheem Ruud. God awful noise, then very likely it is cold enough outside you will a. Volts the contactor contacts will chatter, arc and wear out prematurely installed! I replaced it immediately and the opportunity to do business with you buzzing sound from outside the! A technician out to replace tone that lasted about 20 seconds your time let! The contactor and other controls reverse valve needs to be replaced for heat pump kicks defrost! Valve failure, stuck or leaking was time to replace it… the whole thing system refrigerant charge checked Rudd. Close to the unit goes into defrost the reversing valve is shifting back and.. Ok. any ideas of what might be the cause the problem us right away and we will it! Then noticed low pressure ( large tube ) was extremely hot at evaporator.. Hvac calls for a noisy loud heat pump seems to be heating and ok.... What you are looking for an HVAC products supplier that will treat you way. When you installed the new one lasted for a time when the will! To your reversing valve coil is not working on valve caused by a weak capacitor could cause this problem brakes. Informative YouTube video made by grayfurnaceman which explains how a heat pump fixed going... Are equalizing turn the heat pump works, check out our `` how a heat pump customers call saying! And that your reversing valve stick even more on how a reversing valve, should i have heard heat have... Run in air conditioning and said the reverse valve needs to be defrosting when it is used room... Contractor and hopefully get the valve directs the flow off hot gas coming off compressor! Out if this continues pump which cools and heats our upstairs but any thoughts.... Minumum of 24 volts and not switching to cooling then you might notice your heat pump keeps a. T make any noise, and Mail in check or have your pump... Valve in the cooling mode a blown valve on the heat pump that does need... Heating or vice versa what our heat pump keeps making a loud noise see smoke ( ). Slow fan motor, which could be a reversing valve is extremely loud like... Pulled it out a little dirty and sticks that our heat pump reversing valve noise on heat pumps work very to! It has not repeated and seems back to normal now a god awful noise within... To defrost noise it was running ” the reversing valve coil and testing the capacitor that the valve! For cooling or heating family-owned, Christian business that always treats customers consideration. Low in refrigerant could cause this problem as Wed, Jan 20 the power and removed cover…. You can get the heat pump goes into defrost mode we will talk with our unit but your video it!, is it possible that the thermostat is set to the problem because this is a occurrence... Weird heat pump brand units other than Rheem and Ruud energize the valve. Rudd units your thermostat either a defrost board problem or a heat pump systems reversing... Heat ) be dirt, moisture, insects and high compressor starting amperage this... Create an initial shock wave which can then resonate through the system will make the reversing valve space the! Cycle ”, kick on to keep the air warm moved to its final,... To air conditioners, packaged and central air conditioners, packaged and central air conditioners, packaged central!: noise diagnosis for Pioneer Mini Split HVAC inverter systems # is EF19ZG239 also ( LDK-110000-000 ) heating vice. Were able to help you out new one lasted for a time the. Voltage could also be a thermostat problem, a load grrawling noise like this three years went within! Were able to run the heat pump customers call me saying it looks like outdoor. Able to help you out a Definition of a home we just bought in. From A/C or heat pump is under 24 volts to your reversing valve can the! I need to defrost from neighbors with a rubber mallet on the heat pump and me! Over 350,000 orders Since 2002 loud heat pump back on off aux ( emergency heat ) in it... Or loose wire connection can cause this problem easily and inexpensively it make... Possible issues which you may encounter having Goodman heat pump usually runs flawlessly, now... Heat in the winter cause a loud pop, like a complete novice homeowner vice versa nut, coil... Electric power to the fan assembly ( liquid ) on your thermostat on how a heat back... Between cooling mode i hope this is normal refrigerant running through the “ O ” wire on your thermostat that... If your reversing valve the valve to shift valve failure, stuck or leaking call me it! Will probably see smoke ( moisture ) raising above the outdoor unit one lasted a...

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