I am so glad I ran across this post and again thank you. Randy, Heating, Cooling, Air Conditioning, Ventilation and T-Stat Controls. This unit is carrier bryant (mfg aug2010) split indoor outdoor heat pump / ac s... Hi, When the weather turns colder, the heat pump can switch over to working as a heater. Here’s what you can do if you face a similar situation in the future. I'll post back if I run into further issues with it but if you don't hear from me then it's still going strong. The unit is a Goodman and around 14 years old. Running two units on the same circuit can be a dangerous activity in your home or any office locations. Before you order the relay, I suggest you verify that same part is in your cabinet. Can I run 2 of these units on the same circuit? Could it be a thermostat issue, start capacitor, relay or something else. Once I received the relay it took about 5 minutes to swap out (with the power off). Does that air handler come with an evaporator coil? Fan runs in Cooling mode. Yes, a real heat pump (not the fictional dream heat pump they describe in this heat pump repair article) has two circuit breakers. Now, if it isn't extremely cold out (above 35 degrees) and your heat pump seems to run all the time, then this could indicate a problem. There are various reasons why your heat pump outside unit will stop running: The Thermostat not sending the signal to heat or cool. While the indoor unit, sometimes referred to as air handler, stays inside of the space and is fixed on a wall to pass the hot or cool air, the condenser unit or the outdoor unit, is kept outside of the home to produce the heating or cooling process. Started out ohming my sensors, they both checked okay, test defrost initiated okay. Home About Us Blog How To Contact Us Sitemap Write For Us, Copyright©2020. Again, this is the part of the heat pump that reverses the refrigerant and allows it to act as both a heater and an air conditioner. The relay is the one circled in the photos. I never check the heating mode on a heat pump when its 80 degrees outside. But before we discuss that, let’s first understand what a heat pump is and how it works because it will help you understand what is wrong and how it can be fixed. Then, if that didn't correct the issue, I would replace the thermostat. You may freely link Fan runs in Cooling mode. If not, there might be a blown fuse or tripped circuit breaker causing the problem. I have attached a photo of the part. The name on the thermostat inside is honeywell and it also says heat pump on it. A heat pump comprises of two components –an indoor unit and a condenser unit. During hot weather, the refrigerant catches heat inside your home and sends it outside. Thanks so much. Good work! Heat Pump outdoor unit runs but indoor blow does not I guess a lot of people would not notice something like this but I sleep close to the indoor unit and can hear the outdoor heat pump unit kick on. Just replacing the batteries resolves issues sometimes. But that’s not really a cause to raise an alarm just yet because it can be fixed, sometimes even on your own. ✰ How to Recover Refrigerant | With Or Without Machine | 2020, 10 Best Camping Tent With AC Port [2020] | Buying Guide, 10 Best Small Portable Air Conditioner For Camping [2020] | Tent Air Conditioner, How does A Plasma ball Work: A complete Working Mechanism, Dewalt DW735X vs DW735 vs DW734 Planer: Choose The Best Planer, Five Reasons to Consider Buying a Crossover | 2021 Market Research. I'm trying all your suggestions minus the thermostats and I hope all works out because it is hot this time of year. Your part number is H1-25C63-115. Heat Pump - Outside unit fan not running when in Heating mode, using only expensive auxiliary electrical heat. Thanks in advance for your help. If you have a refrigerant leak, your system is going to have trouble with the heat transfer. Yep the last picture is upside down. How low the temperatures will the heat pump work cost-efficiently? We welcome your comments and Since the fan came on when you placed the thermostat at "Fan ON" then the fan motor and run capacitor should be good. The heat pump then works as an air conditioner by removing the heat from your home and replacing it with cool air. The condenser specifically used in a heat pump is designed to give good perfection to the cooling unit. After some investigating, you determine that your outside AC unit isn’t running but the inside is. Now, if it isn’t extremely cold out (above 35 degrees), and your heat pump does not reach temperature … Turn the fan on at the wall-mounted user module by setting the temperature lower than the current room temperature or by sliding the knob to “on.” So you must purchase the air handler from any reliable brand. Save my name, email, and website in this browser for the next time I comment. Thanks for letting us know as it will help others in the future. Is your outdoor unit working properly? If you tie "R", "G" and "Y" wires together the fan should start and the compressor should start. The heat pump was installed in summer 2012 and the contactor wired a temporary thermostat that works for cooling but I did not test it for heating until now. See our disclaimer for more information. Ensure that the return-air registers are not blocked and the filter isn’t clogged. To warm your cold inside air, the heat pump’s outdoor unit uses liquid refrigerant to absorb heat from the outside air. One thought on “ Solutions for a Heat Pump Icing Up During Winter ” Sidney August 14, 2020. Power fluctuations can often cause the outdoor unit to stop functioning. Let’s say it is 28 degrees outside, the heat pump is running 100% as designed, the home is maintaining 72 degrees and all the heat made so far is cheap heat. Now, if it isn’t extremely cold out (above 35 degrees), and your heat pump does not reach temperature set on your thermostat, this could indicate a problem. Finalscope.com tries to give you one platform that saves your time in today’s hectic schedule and also puts an extra effort to make your decision better, wiser and, economical whenever you spend even a single penny over the internet. But if you have low refrigerant charge (due to a leak, most likely) then it’s not bringing in enough heat to warm your air. If you decide to replace the relay it definitely pays to shop around as there is a huge spread on prices. Time will tell whether it is fixed. It is pre-programmed and thus it allows you to get a faster result. Let’s say it is 28 degrees outside, the heat pump is running 100% as designed, the home is maintaining 72 degrees and all the heat made so far is cheap heat. I have a Goodman split cooling system with ARUF182416BA air handler where it wil... Hi! Finalscope is reader-supported. I have found the best source to be the internet especially since in you are in no great hurry. It was having intermittent blower problems, it would come on sometimes and not others until eventually it would not come on at all, either in fan mode or in cool mode. For a blown fuse, all you need to do is replace it. Every so often, the unit will go into defrost mode to remove that frost. So if you were to look at the thermostat say when it 5 outside, you may notice that yes the heat pump is running and the aux heat is also on. ★ Automotive Evap Smoke Machine ★ Compression Testers Kit ★ Best Trailer Hitch Lock ★ Pancake Air Compressor ★ Air Compressor For Framing Nailer ★ Synthetic Oil for Ford. The thermostat is in emergency heat mode; The Thermostat not sending the signal to heat or cool Turn the fan on to engage the defrost function. I have seen a lot of these relays go bad on Goodman air handlers and cause similar problems like you have. The part you zoomed in on is the sequencer for your heat strips. In the winter, heat pump icing up is often perfectly normal. This could lead to the failure of the system and also damage the heating system. May save me some panel removal searchin with this info. This is completely normal. When it cant supply the demand for heat, the aux heat will kick in as well. No matter what your concern is regarding your heat pump’s operation, you can trust to the experts at Westland Heating and Air Conditioning to take care of it. Grrrrr! || All Rights Reserved || Final Scope. For those of you who are nerds (so, basically anyone still reading...), here's a pretty good graph from our friends over at Penn State (further information: Penn: Heat Pump Temperature Ranges).Feel free to have a look...for those that are on the more leisurely … And there are many things that can prevent the outdoor unit from starting, some of which can be quite serious. In any heat pump, you buy, you’ll receive it in a complete package. Our heat pump outdoor unit is humming but the fan is not spinning outside. - Answered by a verified HVAC Technician. Turning on the fan allows the pump to run hot liquid through the pump compressor and melt off frost or ice. Therefore, when you run the furnace in the winter, the outside unit should not run as it only functions as part of your air conditioning system. I did the test this morning but not sure I followed the directions right. Ceramic Vs Semi Metallic Brake Pads | Are Ceramic Brake Pads Better? Just some brainstorming ideas but I am suspicious of what supply temps you are getting when HP is operating in normal heating mode. Now let’s say it cools to 26 degrees outside. Broken reversing valve: If your heat pump is running, but the air coming out of your vents is hot, it’s likely a problem with your reversing valve. There are various reasons why your heat pump outside unit will stop running: The Thermostat not sending the signal to heat or cool. I had a problem with a Lennox. **I received a call from the Realtor about the heat pump not heating, I told them back in August the cooling was limited and needed servicing. We use cookies to give you the best possible experience on our website. The central heat and air unit is 2 years old. Hot refrigerant moves through the outside coils, melting ice and defrosting the system. The relay is normally mounted on the sheet metal wall on the left side when you remove the access panel for the control wiring. When it extremely cold out the heat pump ability to heat kinda goes out the window. Heat Pump - Outside unit fan not running when in Heating mode, using only expensive auxiliary electrical heat. DoItYourself.com®, founded in 1995, is the leading independent A clogged filter may cause the … I have noticed that the fan visible from the top of the unit is not blowing when the heat is on. Numbers are not the same so maybe it is different or I got the wrong thing. And along with this, usually comes a higher than normal electric bill, lower supply temperatures, and sometimes icing of the outdoor unit. I will test the thermostat tonight or tommorrow and I am going to call around today on the relay so I know where to get it. The indoor unit is a Goodman model A32-10. This should fix your problem. For example, when the temperature outside is cold, a heat pump extracts the outside heat and transfers it to the refrigeration coolant. Does the inside blower start if you set the thermostat to "fan on" and not to cool? Does your thermostat operate off of batteries or does it have a 24V common wire from the transformer powering it up? Your heat pump, with the help of the refrigerant in the system, absorbs this heat and then concentrates it. You can either remove all the wires from the thermostat or use a jumper wire to go between the wires. But like all machines, your heat pump can have a bad day too and might stop working some times completely sometimes partially for example heat pump outside AC unit not working fine but inside is and also in some cases both inside and outside are not working. Refrigerant absorbs heat from the outside air and moves it indoors with the help of a reversing valve and multiple check valves. 1995-2018 MH Sub I, LLC dba Internet Brands. I looked inside and saw a big chunk of ice the size of a soccer ball forzen on the compressor unit underneath the blades. One for the heat pump condenser and one for the air handler. The B1370738 mentioned in an earlier post is a direct replacement. It is a blessing for many because it is inexpensive to run and does not burn a hole in your pocket by making you pay a hefty electricity bill. Consequently, it will not be able to complete a cycle. I happened across this post while I was researching and decided to give it a try. Probably your blower time delay relay (BTDR) is bad. And it’s pretty common to encounter technical problems with these large appliances. My condensing unit and fan are not running. Also, it saves on fuel costs unlike other HVAC systems, because it uses electricity to power the fans, pump, and compressor. Heat pumps will develop frost or ice on the outdoor coils as part of normal operation. If the heat pump is constantly running in summer, especially when it is really hot outside, that means that the unit is struggling to reach the set temperature. Heat is absorbed at the inside evaporator coil in the summer, and then it’s released outdoors at the condenser coil. Which it is probably not leaking outside, but inside. I get it serviced once year by the local folks here. But it can be repaired by you at home. SHOW ME HEAT PUMP PRICES . Think of it like trying to pour a thimble of hot water on a glacier. Yesterday my boyfriend pushed the fan a little and it started running. This leads to the outdoor fan motor getting shut down completely. I have seen thermostats do funny things when the batteries are weak. I hear my inside unit running, but heat pump outside is not coming on. The fact it only does it sometimes may make it difficult for a tech to diagnose I am afraid. **Whats your standard procedure ? Where is the relay located in the air handler? A heat pump works by using electricity and refrigerant to transfer heat from one place to another, depending on the season. There could be many reasons why the outdoor unit of the heat pump won’t turn on. (My project is huge and it has taken this long to for my basement finish to be completed, and my heating contractor is no longer around). Until now, I haven’t come across any brands that ask you to buy an evaporator cold from the outside market. You already have a photo of the wiring posted here. Does the condenser already come charged with refrigerant? It still works correctly, but it makes that humming noise even when the unit is not running. Just as with a normal AC unit, refrigerant absorbs heat … During cold weather, it takes heat from the outdoors, where it is then pressurized into your home. But what if your heat pump is turned to heating mode, but your home is either not getting warm enough, or it’s not getting warm at all. Aux heat normally comes on when your stat temp is raised by 2 or more degrees or your HP can not maintain its setting in normal mode because of the outside temp dropping below the balance point. Common sense would tell a person to start with replacing the part to be the most likely (the relay in this case) culprit and. While outside shoveling snow, I noticed that the heat pump sounded like it was struggling to run. A heat pump has a high energy efficiency rate because it does not generate heat, instead just moves it. Then it is just a matter of swapping wires one by one from the old relay to the new. Important guide on AC troubleshooting. It is part number B1370738. Yes, you were bypassing the thermostat. This could be one of the causes and so, you must check the thermostat selections first and ensure that it is set to the desired temperature. That is great to hear you got it up and running, as designed. This means that a 15 amp circuit will be maxed out. Then, switch it off and restart it. Basement Wall Leaks - Broken Water Pipes or something else? The blower did not make any abnormal sounds, it just wouldn't come on. The other day when you bypassed the thermostat by removing and connecting the g, y and r wires the fan and outside unit started as expected. I just want to thank everyone for the posts. When switched to cooling mode, the outside fan runs just fine and the vents blow cold. I pulled the thermostat and shorted the control pins as previously described by firedawgsatx, which did not help so I assumed it was the relay. But for that, you need to identify the issue first. After taking a look at what a thermostat costs these days I may wait until it is clear I need one. Turned it back on and it's been working like a champ for the past 24 hours, so I'm assuming that was the issue. What To Do If Heat Pump Outside AC Unit Not Running But Inside Works Fine? Next I would check the thermostat to see if it is the problem. They are very reasonable and honest but since I live so far up the mountain I know I probably am not there easy customer. In a package heat pump system contains all the components including the compressor, heat exchangers, and fans are all inside one central system that is installed on the exterior of the house. The Thermostat might be in Emergency Heat Mode. BUT, since your problem is "intermittent", it could have come on because the relay happened to be acting "right" at that time. I guess a lot of people would not notice something like this but I sleep close to the indoor unit and can hear the outdoor heat pump unit kick on. It is true that being aware of some handy remedies for your heat pump problem can help when your machine breaks down unexpectedly. Looks like it may be time to replace your thermostat. Yes, you can be assured of the condensing using. Thanks for the help. Some techs like to replace the relay with a different one. In extremely cold weather conditions, a properly working heat pump will run almost continuously. Below is a list of possible causes. All rights reserved. Wait for a bit, and then check whether warm air is being blown out of the vents. Need thermostat wiring colors for new thermostat, Extending WiFi across yard to another home, How to fix a misaligned interior door lock. All information is provided "AS IS." Can you post the model number of your air handler? Is my sub panel grounding correct( with diagram) ? Power related problems; The heat pump is in defrost while in heating mode. problems contact webmaster@doityourself.com. [B]Problem:[/B] When I call for heat, the condenser unit does not turn on and the 8KW electric kit turns on immediately. To prevent this from happening, turn off the heat pump and melt the ice by using water. Let us know if you need further help. I just moved into a house. In the summer, a heat pump reverses the heat moving process and moves unwanted heat from the inside of your home and disperses it outside. So, if it is very cold outside and your heat pump does not reach temperature set on your thermostat, you might have to raise your thermostat a few degrees to maintain it. When a build-up of ice is detected, the heat pump shifts temporarily into cooling mode to reverse the flow of refrigerant through the coils. Then remove the face plate off the thermostat to expose the wiring and terminals. If it was me, I would first replace the relay and see if that corrects your intermittent problem with the fan. Is that right? It sounds like its trying to do something but it just cant turn over or something. During the cold winter months, your heat pump’s outside unit will sometimes be covered with a coating of frost on the sides, or even light ice. But with that relay you lose the delay function. Also, I do have humming in my wall where I guess the air travels it's way up to the upstairs unit. Just some brainstorming ideas but I am suspicious of what supply temps you are getting when HP is operating in normal heating mode. If the fan comes on that is good. Typically, this means one of two things: your outside AC hums but the fan doesn’t spin or the entire outside AC unit isn’t working at all. I run 2 of these relays go bad on Goodman air handlers and cause similar problems like you have wire... The upstairs unit ran the way they are designed to work rid of system... Valve and multiple check valves and around 14 years old melt the ice because it not... Is replace it correct the issue first relay to the failure of the system to mode! Good perfection to the new operating in normal heating mode on a glacier to solve cooling down it... Ask you to buy an evaporator coil in the heat pump is constantly running in summer the thing. Remove that frost the current terminal connections are shown in the future part. Wire to go between the wires from the top of the system cooling... Through the pump from outside can be assured of the system and also damage coils. To overload the circuit breaker switches have flipped pump sounded like it was me, I re-install! Any office locations suspicious of what supply temps you are getting when is... Any reliable brand outdoors at the condenser coil ATTACH ] 26266 [ /ATTACH ] thanks advance! Catches heat inside your home specifically used in a complete package fan a little and it started.. And sets the system to cooling mode face plate off the thermostat these days I wait. Be repaired by you at home prime importance to prevent breakdowns and the! Breaker or blow off a fuse with cool air than cool unit is spinning... Constantly running in summer in any heat pump outdoor unit from starting some! What I find the heating load it tripped my breaker it was me, I suggest you not overload! The wire attached to `` G '' and not to overload the circuit breaker, check warm. Can carefully remove the wires from `` R '' terminal the fan is not coming.! Over to working as a heater diagnose I am suspicious of what supply you... Driving and then check whether any of the condensing using questions the proper way and you will get faster! Be quite serious blockages like fences or barriers like it was struggling to run a maximum of watts. The panel off and took some photos there are many things that can prevent the outdoor unit from starting some... May earn some small affiliate commission this browser for the heat mode, using expensive. Was researching and decided to give you the best source to be the internet is pretty cheap I may until. And inspect it for non-commercial use subject to our terms of use that. To expose the wiring and terminals not to overload the circuit breaker, check whether any of the using... To hear you got it up and running, but heat pump turns off the heat from the handler. Functioning fine n't necessary the frost, the thermostat to see if that corrects your intermittent problem the... Turned it on and the vents blow cold melting ice and defrosting the system also! Receive it in a heat pump sounded like it was struggling to run a of. A lot of these problems, and then check whether any of the system cooling... Or barriers proper reliable performance and use it for dirt or debris fan. And saw a big chunk of ice the size of a soccer ball on... It for non-commercial use subject to our `` DoItYourself.com Community Forums '' check valves it operating. You buy, you determine that your outside AC unit leaking water a photo of the and!, Copyright©2020 the one item that looks like the relay is normally on. Let you know what I find electricity and refrigerant to absorb heat from your home and it! /Attach ] thanks in advance for your heat pump temperature Range - the heat pump works! One item that looks like it may be time to replace the relay located in the heat the! Normal operation mode running but inside transferred inside your home heat pump running outside but not inside old relay to the proper way you... Old relay to the air handler where the inside blower start if you set the thermostat is well. Unit and sets the system fact it only does it have a photo of the frost, the again. Identify the issue first on '' and not to cool your home and sends outside!, 2020 to W2 in both cases importantly, what can you do about it Hi... When touching the wire attached to `` G '' and `` Y ''.... Will run almost continuously no great hurry humming but the inside blower start if set... Test this morning but not sure I followed the directions right the temperature outside is not but. Operate the outside unit fan not running site, and, more importantly, can. Especially since in you are in no great hurry cant supply the demand heat... And again thank you you not to cool heat setting above the temperature... Top of the condensing using s assume that each of the AC turning on, your is! Hot outside and you will get a more accurate answer be many reasons why the outdoor of... Any heat pump, you can carefully remove the panel off and took some photos to ask questions proper... Heat a whole lot more than cool any office locations use solar panels for electricity, determine... To encounter technical problems with these large appliances gets reversed when its outside. Over to working as a heater is of prime importance to prevent breakdowns and increase the of! Switched to cooling mode I will post this weekend and let you know what I find to mode! It then turns on the thermostat inside is honeywell and it ’ s say it to! I find be time to replace the thermostat or use a jumper wire to go the... More expensive the test this morning but not sure I followed the directions right ’ s spaces... Spread on prices it Yourself nature should be submitted to our `` DoItYourself.com Community Forums.! Situation in the future leading independent home improvement and repair website pressurized into your home have seen lot. Problem can help when your machine breaks down unexpectedly this means that a 15 heat pump running outside but not inside circuit will be out..., turn off the thermostat starts to melt the ice because it does not generate heat, aux! Handler where it wil... Hi pump extracts the outside coils, melting ice and the. Power fluctuations can often cause the outdoor fan motor air outside into your home heating element as well to... Thermostat costs these days I may wait until it is then pressurized into your home air outside into your.. Guess the air handler where it wil... Hi Brake Pads Better blow cold earlier, problems... Then turns on the one circled in the future not coming on down! Hot outside and you will get a more accurate answer what I.. Come across any brands that ask you to buy an evaporator coil in the photos different one keep with... Condenser unit your house is not coming on Winter ” Sidney August,. Unit underneath the blades your system is going to have trouble with the fan allows the pump to run liquid. Most expensive to solve are shown in the heat pump condenser and one for the heat is concentrated it! T-Stat Controls instructions clearly will suggest you not to overload the circuit by any means a 24V common wire the... G '' terminal and the filter isn ’ t turn on in extremely cold conditions. N'T come on clearly will suggest you verify that same heat pump running outside but not inside is in defrost while in heating,. It in a complete package start heat pump running outside but not inside, relay or something until is! Switched to cooling mode, never had a problem with the heating mode on heat. To have trouble with the heating load sure you turn off all power to the air handler pump AC not. Running when in heating mode switches have flipped you may freely link to this site, may... Relay in the Winter, heat pump is wired properly and am hoping I can get some advice thought “! Handler from any reliable brand it struggles to do if a heat pump on.. Misaligned interior door lock heat will kick in as well the coolant is then compressed the. 240V @ the disconnect but nothing going out go into defrost mode to heat pump running outside but not inside that frost lose the function! Running in summer any abnormal sounds, it is hot this time year... But inside works fine sends it outside pump AC unit not running to problem. Do this if the external temperature is compatible with what is inside the.. Inspect it for non-commercial use subject to our terms of use from any reliable.! Is designed to work for years if the external temperature is compatible with is! Here ’ s released outdoors at the inside fan is off the name on the same so maybe is! To bypass the fuses and it turned out to be a fan relay in the tables below 'm! Mode on a glacier element as well as the refrigeration coolant is of prime importance to prevent this happening. Air outside into your home ice but the defrost cycle starts to melt the ice because does... I know I probably am not there easy customer might damage the coils use it for use. I never check the thermostat is functioning well set heat pump running outside but not inside thermostat inside is honeywell and it started running the you! Pump outdoor unit is not sized correctly, so it can not keep up with power. Is of prime importance to prevent this from happening, turn off all power to the unit.
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