heat pump tumble dryer how do they work and how to test and fix them
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- Опубликовано: 2 окт 2024
- this video was made to tell you how heat pump dryers dry the clothes and some common issues to look out for plus a really easy test at the end of the video to tell if yours is working properly
I just bought a heat pump dryer, but I refused the optional warranty for 8£/month. I used to fix my appliances, and this video confirmed that I could still do it if need be.
Good for you everything is fixable i love the idea of repair rather than replace everyone should be entitled to get their monies worth from a product. We live in such a wastefull time in this age
@@jaysjetskis YOU"RE ABSOLUTELY RIGHT....and It's nice to know that I'm not alone by the way
I purchased a hoover 11kg heatpump tumble dryer 13 months ago wht a pain in the ass to disassemble nightmare it was the build up of lint is bloody dangerous the 3 in 1 filter is a waste of space I've tested the heat after 30 mins and min gets up to 65c it's very strange because it drys 8 towels in 60 mins it is very important to clean the filters because the evaporator/ condenser will block up and damage the unit I also believe these are the future and I'm very pleased my next model will be a Siemens brand
@@zedzedder1426 not if the compressor goes as mine did. I did all the cleaning and got nowhere. The compressor is £500 upwards plus labour gas etc. Now I’ve got to scrap the machine
This is an excellent explanation of the working principles and problem solving of a very expensive piece of kit which due to electricity cost is becoming very common in most peoples homes
I really liked the comparison to a dehumidifier, made so much more sense to think of it like that!
You are spot on these machines are basically Dehumidifiers enclosed within a metal box incoperating a drum . I worked for Ebac a major dehumidifier manufacturer and we produced over 20 years ago a drying tent. Basically a breathable material that fitted over a clothes horse with a dehumidifier enclosed, effectively these heat dry pump dryers are the same, but with many more components and yes to go wrong especially the tower style compressors within these machine that tend to become very noisy.
Condenser and evaporator coils are notorious for getting clogged up with dirt. So if you're not competent in dismantling your dryer then its wise to buy a warranty .
I was tempted in buying one of these heat pump dryers, but after watching numourous vids I'll stick with a heat dryer instead. So if you have your dryer within a garage or cold area a heat pump dryer is not for you.
Great video thanks, there's not enough from actual manufacturers of these products explaining some of the facts and maintenance issues with these heat pump dryers!
Any ideas on what could cause the evaporator in mine to start getting warm after about 45 minutes of running? It is definetely cold to touch initially then definetely starts getting warm and it just keeps running and the drying process never seems to complete, as it's just circulating hot steamy air with no dehumidifing going on. It's a 5yr old Samsung heat pump btw. Thanks!
Thank you very much, I do not speak English but I managed to translate the video by subtitles. I needed this data because here in Spain these dryers have many leaks when I repair the leak I do not know how much gas to load, since the r134 is not loaded with an ecological substitute. Ask a thermometer do you put it in the filter and the other where you install it? Most dryers have a probe at the outlet of the condenser. You could make a study of that temperature when it is critical. excuse my English
I really liked the video.
I would like to ask personally - repair of my heat pump dryer
Hi Jason, just bought a Whirlpool hp dryer and it worked fine for two weeks. Then the drum stopped turning mid cycle. Compressor kept running and the cycle kept timing out. After r a 20 minute pause, the drum resumed turning and the cycle, which had continued counting down, timed out. Clothes were not unsurprisingly still wet. Whirlpool service found no faults but the machine had been unplugged for over a week. The machine did not fail when service was here and they pronounced it fine and further said drum stoppage like this is normal and left. it has performed several cycles since uninterrupted. I noticed the pump had a very weak and erratic stream when emptying and thought maybe an erratic float or poor pump performance might have stimulated the drum stoppage although service said the entire machine would shut down in that case. Without and elementary diagram or ladder logic, I have no way of diagnosing what conditions would hold the drum motor relay out but still allow the compressor to run.
,
Best video I’ve ever seen we’ll explained
My Grundig heat pump dryer has stopped heating up. I learned more from this 15 minute video than the last 6-8 hours of research and talking to "experts", who all told me to press the reset switch on my heater.
Yes, 3-4 of those hours were spent trying to find the heater in my heat pump dryer.
Thank you.
I have a Grundig hp too, how did you eventually get yours to work again thanks
Please answer me🙏🏻 Samsung dryer heat pump DV90M500QX / where is the capacitor ? I didn't find, my dryer is opened but can't find the capacitor please answer me
Hi. I have an issue with my Beko heat pump thumble dryer. It stopped drying. I have cleaned everything like in the video and after run the test mod as per Beko instruction. All seems good except last stage, compressor heats up from 20 to 50 deg within 30 min, which looks good. But it still doesn't dry the clothes.
Please advise. Thanks
Thank you for this brilliant video. Very detailed & makes it easy to see how to fix some of the simple issues that can cause this heat pump dryer to stop working. This dryer is a dream to use & to be able to fix problems ourselves, especially if it is only fluff blocking the drainage, is truly an answer to prayer!
Great down to earth video explaining heat pump technology, maybe you can give me a little bit of advice on my hoover heat pump dryer , I recently purchased a used unit (Hdry 300) and lady said it was working fine but I noticed intake fan was not rotating at all and seemed to be making a noise (drum still rotating ), just need to know if you would expect this fan to be rotating all the time on every cycle?
What does the little fan do on the front of the dryer? It's like a little pc fan.
Thanks, that's an excellent video. I've not bought one yet as I wondered if they "leaked" moisture into the surrounding air but suppose they're better these days. Is there a particular brand that you fix more (or less) often or is it always a case of fluff? Thanks
I have a Samsung dryer with a heat pump 9kg compressor, it takes 3 to 4 hours to dry if I put two towels after they come out of the washing machine, is this normal or is there a weakness in the dryer? The temperature of the inner drum is approximately 45 degrees Celsius. How can I increase the drying efficiency and temperature by changing the capacitor?
Discounting the energy efficiency factor,generally speaking,is a standard condenser dryer more efficient at drying and more reliable than a hp dryer?
Igen!!!!
it's probably too late to get an answer from you Jason but i'll ask anyway my wife and I have a Grundig advanced heat pump tumble drier (GTN 38240 GCW) and from day one she has said that she believes it's not working properly because it doesn't even get warm let alone hot...we keep it lint free but she's not a happy bunny....is there any chance of some free advice please.Thank you
Excellent tutorial. Thank you.
No worries :-)
Thanks for the tips, i just picked up an lg 8kg eco dryer (RC8055AH2Z) for £30 as it wasn't apparently drying at all. It was being used in a garage of a house which the owner had recently moved into and i think it's because ambient temperature would be so low. Also it needs stripping and cleaning out anyway.
Hi, our dryer is goung, afters stops and it says full water tank and it stops. I turn it back on, it pumps a bit of water up, and goes for awhile, after stops again. I had cleaned it up as your tutorial. Any tips ?
I'm having the same problem, I replaced the pump but still same problem. Did you fix yours?
Thanks for the detailed explanation.
I have a Beko heat pumped tumble dryer that is now taking forever to dry clothes. There is little or no water collected in the tank, but I do get it condensing in front of the exchange filter and drips onto the floor.
My guess is that the evaporator is not getting cold, but it is still generating heat. I have stripped it down and checked for fluff blockages, but it is quite clean.
Would this be a case where it has lost gas, and if so, where does it lose it from? looking at the pipework, it all looks sealed. Also, can you get these re-gassed, or is it a case of buy a new one?
Thanks again .
I have the same "symptoms" on my Candy Hp dryer. Its only 11 monts old and they going to exchange the product( gas is lost probably).
Hi did you get it back working? I have the same issue. Thanks.
Beko brand is one of the most unreliable brands here in NZ, so.....
Loved the video, ruined it right at the end by saying lads! Guessing I’m in the wrong trade! 😂
This video has been eye-opening. Been looking at these heat-pump tumble dryers for a while. I knew that they used less energy and lower temperatures than vented and condensing types, but had no idea the temps inside were so low.
Was looking through all the spec sheets on these A+++ dryers and many were quoting 2-4 hours for a full cotton load and I couldn't figure out exactly why. Seeing this explains it all, really.
Ditto here. I try to find repair videos BEFORE I buy products now.
The temperature is not that low, normally is in the 60degC at the heat pump condenser, 30degC at the evaporator. But definitely not the 80..100degC the classical heater type...
It’s the dehumidifying process that drys the clothes. Not the temp.
Thank you for this great explanation about this LG. It really helped me fixing a RC7055 dryer. Especially the explanation about the valves, the pump and the condensing unit helped a lot! It was quite an operation but it was worth it!
Thank you so very much.
How does fluff build up with all filters 2 filters the fins normally block up
Really good video thank you.
I can't see how anyone can properly maintain a heat pump dryer without eventually getting the thing clogged with fluff. It's virtually impossible.
Hello, I have an E62 error on my AEG Lavatherm Protex dryer and the compressor is not starting. Can you help me please?
I'd never buy another heat pump dryer. The whole purpose of a clothes dryer is to dry clothes efficiently. Sadly, our ASKO heat pump dryer is so much less efficient (so much slower!) than any other dryer I've ever used.
Got a Samsung heat pump. Using abit of sponge over the front of the the heat exchanger on bottom left as mine is the DV90M50003X which does not have a filter covering that like new ones. We use it quite abit and started noticing clothes smelling musty. I removed the pump at the back poured/sprayed water through the front and picked up loads of fluff. Is this a crap design and is the Bosch heat pump with self cleaning a lot more resilient/less maintenance. Boiler engineer so white goods not my speciality.
hey magic , have the same model samsung dryer , after 7 months it doesnt collect any water from the clothes , water tray is empty after 3 hr cycle , checked the water pump by pouring some water at the back and it pumps water , so i am guessing fluff is blocking the path from the drum to the water pump . when u said u sprayed/poured water through the front , where exactly i have to pour water in the front ?
nare inf I had the same issue after 2 years. I got it repaired with British Gas white goods cover. Had to wait a few weeks for the parts but I remember the drum/clothes feeling warm but wouldn’t dry the clothes. I think the engineer mentioned it needed regassing as a cheap option but he wasn’t qualified so ordered whole assembly.
Please answer me🙏🏻 Samsung dryer heat pump DV90M500QX / where is the capacitor ? I didn't find, my dryer is opened but can't find the capacitor please answer me
Hi I have the same LG black hybrid dryer and it’s not heating up so you have any tips for me to fix it …thanks
I have the same problem. Did you manage to resolve it?
Jason, think I'm having an issue with the heat pump on a dryer I just got as a project. Can you tell me if the evaporator should be cold to the touch? Just had the machine on a cycle for about 45-50 mins and doesn't seem that warm inside the evaporator doesn't seem any colder than the rest of the machine. Can hear the compressor working and have cleaned and checked everything I can see within the machine.
Guess all your refrigerant leaked out. Maybe the compressor broke as well.
Complex system prone to failure stick to simple reliable heated dryer avoid this more to go wrong
Aha! This video has been a great explanation of heat pump dryers, what they really are and how they work.
Your 11 minute 10 degree increase quick test will it work even if the fins are blocked?
Thanks for the video
I have beko heat pump did everything change sensor but still not getting warm any ideas please
What a helpful video, much appreciated. Do you have any recommendations on brands that are easier to maintain and clean than others - or maybe brands that have a filter system that's effective? I have a whirlpool that's an absolute pain to clean, as you have to disassembly almost everything, and I'm not that handy to begin with. And the filter system is really bad. So I'm looking to buy something that I can maintain and make last.
I've yet to buy one myself but I'm a fan of learning from other people's mistakes. 😁 I've asked the same question you asked on several similar videos and have yet to get a decent reply.
I bought a used 4 year old Whirlpool WHD5090GW and pulled the plastic grid with some pliers and cleaned the filthy evaporator fins with a plastic toothpick and a vacuum. It works fine now. The temp at the lint catcher is 48 C and the rear panel duct it is 58 C. I wanted to do the easiest solution first before a full disassembly. I then dried 4 bath towels and a hand towel and it took 83 minutes. Towels were dry afterwards.
Commentary made me laugh, keep up the good work.
Unreal mate thanks for this. A few simple Tips with a simple theory of operation and things become a lot more clearer when trying to do diagnostics
Got called out for £30 spent 6 hours at customers house good one pal. Aim is get it fixed and bounce
6 hours ?
Thanks so much for this video mate. I was going to buy a heat pump dryer, but couldn't find enough info about them. Yours explained what one is and how it works. After seeing how complex it is I'll be sticking with my White Knight vented for the time being. It's 15 years old, but having a few problems with it. I'll be getting a condenser dryer when it finally does take the knock.
Good call, DB
Had mine 10 yrs i never notice huge electric bills
Hello, the compressor of my dryer gets up to 82 ° C warm.
In my opinion, the very high temperature is an indicator that refrigerant has been lost in the cooling circuit?
Does this mean that the energy advantage of a heat pump dryer is no longer available?
Thank you for your opinion.
Im a refrigeration engineer. Just wanted to say that 80 degrees is a bit warm but not too hot to say the gas is gone. If the gas was gone it wouldnt take long before it would start tripping on its thermal overload or burn out depending on the number of times it cools down and starts again. Can you see what refrigerant it has in it? Some have higher superheat than others. You have to think. Nothing is really cooling down the compressor other than the refrigerant coming back on the suction line, if the discharge line is 55 degrees and superheat is 10 degrees plus a few more degrees for heat of compression thats not far from 82 degrees you got. Make sure all filters and coils (evap and condenser) are clean. Most issues with machines like this are airflow in the right places
Hi there I wondered if I could contact h about a Hoover tumble heat pump dryer that not getting hot could it be the capacitor or just gunked up it runs no fault light just dose not get hot 🥵 I had the back cover off to see no nct sensors and a compressor I can not get anybody out and have a young family
I there is no gas in the sistem, is there anything that i can do about it?
Very useful info. I made my decision, I'll get a condenser dryer
Great video!!
A great video, easy to understand, but what a load of faff with these dryers to keep them dust free, that soup at the bottom sump gonna be lovely in a humid environment if only used once a week ? BUT great for the likes of us who can pick them up broken for small dosh and after a good clean up and test get it working again, I bet an engineer working under guarantee doesnt have a chance to give these such a thorough clean out thats required !!
Hi Jason. Great video. I am looking to replace my AEG condenser drier which is located in the garage. Can will a condenser dryer work in the colder temps? Or should I just buy a condenser dryer again?
Hi i have grundig heat pump dryer its heating up clothes but its not condensing, clothes come out wet even after running it for few hours all filters and condensing fins are clean pump pipes are clean. Any help would be grateful
The evaporator doesn't get cold, its warm to touch even after hours of running the compressor does run.
Please answer me🙏🏻 Samsung dryer heat pump DV90M500QX / where is the capacitor ? I didn't find, my dryer is opened but can't find the capacitor please answer me
Self cleaning - suck. Better to clearing pvc pre-vapor filter with own hand 1 time pes mounce that dissasamble whole dryer.
Great vid! I have one question.. Can i place a thermo pump dryer in a laundry room where there isnt a very good air Flow? In time the air in the room will get hotter.. will this make the condensing stage harder..? Looking forward to your response. Thank you in advance.
Yes a dehumidfyer in a closet will dry clothes very well. Just like your airfonditioning dries the condensation away from your windscreen on a rainy day
@Jason Key u mean after i take out the clothes and fold them to put a dehumidfyer in the closet?
I just replaced the pump and it's still throwing an error after about 20 minutes of running. Any ideas?
Jason, great video with explanation, thanks! I have LG hybrid which has been taking 6hrs to dry, even after that the clothes are still not adequately dry. I have to put the dryer on another couple of time to get it dried. I have another problem, whenever I put it on Turbo(speed) mode, after a couple of minutes the dryer stops with "The duct or lint filter is clogged" error. If I switch the dryer off and on again and put it on hybrid I do not get the error but as I said it is taking far too long to dry. I have stripped the dryer, the only fluff I had was behind the drum at the back, but the heat exchange and fan (attached to the motor with plastic fins) was not covered in fluff. I then checked the ohms readings on heating element, thermistor and thermostat, they are working. I then replaced the main circuit board. The problem remains the same. Do you think the problem is with the compressor? I need to get a digital thermometer (is there one you would recommend?)and do the tests you have suggested. Again, I can't thank you enough for the video!
Thank you very much. Excellent in-depth explanation. Extremely helpful. I spent the whole week to find that two metal contact which gives false alert on board to empty water tank. Not only that full HD video without any blala blala. Excellent. Subscribed
I was just given a heat pump Samsung 1 year old it only just gets up to 27 c cleaned evap /lint filters ,done pump tank flushed an primed pump blew through pipes..should add unit mint in drum ..thank you for showing no element cus I was looking for it.. question is why is there no more than a few drops in tank ..could just be the lint under the condenser/evap .ps room temp 17.6c. I would say it only had bout 20 cycles since new ...it's all working just taking 10hours to get to damp.thx
Ok, so I see these all have lengthy disassembly videos due to fluff in extremely hard to access components. Are there any models/brands that don't suck? I'm a tree hugger in Massachusetts. I've looked at Whirlpool videos where the disassembly and cleaning videos look harder that changing a car's timing belt. My lady likes the 7.4 cubic inch size of the Whirlpool but I'm frankly scared that spending an entire day cleaning these things will become commonplace.
I always get our appliances fixed rather than dumping them for a new one. Got a local repairer out recently and he says our heat pump dryer needs a new pump (it's not heating up) and is basically not worth repairing. Should I get another opinion? He didn't disassemble the dryer fully like in this video.
Hi, thank you for this insightful video. I don't know if could help me, but I have a Samsung heat pump tumble dryer, that one day stopped drying the clothes. after a thorough research online, I took everything down and cleaned the condenser into my shower. put everything back, and now, I have the clothes completely dry but, there is no water being condensed. Not a single drop of water. the compressor is extremely hot afterwards and takes hours to cool down. I tested the compressor's fan itself, and it is functioning, tested the thermostat that goes into the compressor and it is functioning. I don't know what is happening. Could it be a leak of refrigerant? if that is the case it seems extremely rare since almost no-one has mentioned it without clear finding of oil drips and other. could it be the condenser cooler fan? not getting any input from the PCB? what else could it be? I would much appreciate your time and help with this matter.
Hi. I have a Candy heat pump tumble dryer and cotton clothes are not dry at the end of the cycle. I've dissembled the entire machine and it's clean from fluff. Condenser works the first minutes, roughly 9 degrees but after a while temperature goes up to ambient or higher. Compressor is running and the evaporator gets really hot over 50 degrees. Any ideas?
Why don't heat-pump driers work if the room's colder than 15 deg. My wife wants one but our laundry room is in an unheated out-house :-/
Thank you! I have a Blomberg washer/dryer combo. I haven't been able to find anyone to service it where I live, nor is there information out there on that model. I'm gong to open it up myself and check for fluff...
Thank you for this. I won't be able to sort it out myself but I just wanted to know how they work. I didn't realise about the ambient 15C temperature being the lowest it would work. I'll have to make sure I use it when I'm cooking in the kitchen, in the winter, otherwise it's not going to work at all because I've no heating in my kitchen.
Hi Jason, Love your channel. I have an LG dryer similar to this video. I have replaced the main board and motor. I have no power from the dryer. Any suggestions? Cheers
Hi Jason. I'm just about to buy a heat pump dryer. Is there any brand in your opinion that's better than others.? Thanks. Chris,new subscriber.
Really good video! Now searching if it needs disinfction. Maybe the fins gan be steam cleand.
love your knowlege and the sharing!
Does anyone know what the temperature difference is between setting on delicate and level 2 dryness, no manuals seem to specify degrees C rather they just state a 'lower temperature' .
Jason, my compressor overheat, reaching 70 degres celsius.
I think its not normal. Do you have any sugestion??
So lg keep a lower temperature of beko? After a while seems to stabilizing at 45 right? Wich programs you was using? Theres in lg low temperature programs and high one? The compressor pump all the time? Or do on and off like in bosch that when is off steam naturally with the condens your clothes?
Bad design
Do heat pump dryers release moist air into the room?
No, it’s a closed system
So another other words dont get heat pump dryers because they will always break due to fluff constricting the evap and condenser coils causing it to not heat
Hi bro my whirlpool series 6 Dryer is not drying I would like to get it fixed.
Hello. I have a machine like this and the te2 error appears, where is this temperature sensor? thanks
Please answer me🙏🏻 Samsung dryer heat pump DV90M500QX / where is the capacitor ? I didn't find, my dryer is opened but can't find the capacitor please answer me
Hey bro just seen your messages . Sorry im not checking these that often. The motor is on the right sode looking at the back and the capacitor is all the way over on the other side
Hi Jason! I need your help! I brought my German (50hz) bosch dryer self condenser to the US (60hz)..unfortunately it is not working properly.. It is 220 V.. Until here, no problem.. I turned it on, electrics are ok, I checked the timer and it is OK.. But the dryer is not heating up enough.. After the circle, the clothes are only half dry. Do you thing that there is any way to solve this? How generate the heat on this dryer? Is the compressor? If he is 50hz, working on 60hz, he is working around 20% more, and it should be more hot than normal! Please I appreciate your thoughts! Thank you
Maybe your drain pump to clear water at bottom storage no function well
You answered mye questions I was about to ask will not work in a cold room
Great, great, great video! Hypothetic Question: does this heat pump (hybrid system) could work 8 hours strait at 80ºC?
Yes but ideally 55 to 60 degrees c for the sake of the didcharge pressure on compressor snd refregerant oils health
@@jaysjetskishi Jason I’ve got exactly the same machine in hybrid. Machine is not drying, it’s stone cold. Cleaned everything as in your video. Still the same. Will do the check bypassing the relays to test compressor to see if I get hot and cold on the elements. If they don’t then I’m assuming it’s the heat pump/ compressor? Is it worth repairing?
Wonder if you can help me with my heat pump dryer. Sometimes it works absolutely fine (30%) and other times it just keeps going and the clothes never dry (70%). When it's working after 30 mins or so the sides of the dryer are warm but if it's not working the sides are cold. I've followed the instructions in this video, stripped it down and cleaned out all of the fluff from everywhere but it still only works properly some of the time. Any ideas what may be my issue and what I can do to test?
Hi. I honestly have no idea.. without looking as that really isn't a common problem.. if your is a hybrid model it could be that different programms are using the heater element and some are only using the heat pump.. if you have a eco and speed option.. the speed will activate the heater
Many thanks for a lovely and detailed video.
Enjoyed it very much.
Love your calm method of explaining the functionality of the various components.
Thumbs Up & already Subscribed.
Keep it up.
Loved this video, do you or have you ever repaired a Grundig Heat pump drier?
Good vid it’s making me question mine I’ve got a hotpoint heat pump one one of the latest ones the problem I’m having is that sometimes it sounds like a loud popping noise like when boiling eggs in a pan or doing popcorn on the microwave and I’m getting pritty concerned about it if I do a load of towels because it’s been on for quite a while they smell like rubber but if I do clothes sometimes they smell and sometimes there fine can u help ??
Brilliant video! Much appreciated
That’s the photo of dryer at the back panel.
The latest thing. That is the future. I'll stick to what I have for as long as I can.
That's a great video Jason. 40 years in the trade and still learning.
Excellent video - some great tips on how to test and service heat pump dryers
Very good/clear tutorial. One of the best. Keep it up !
Learned alot here thanks mate
Great video walk-through. Are there any issues with mold & mildew, especially in the heat exchanger or below in the reservoir? If so, can a ‘disinfectant’ be applied on an empty cycle to clean the closed airflow path? Thanks!
bleach will corrode the aluminum and destroy it, best to just clean after every usage.
Great video
I have a hoover dynamic next heat pump dryer, it switches off n but when you start a cycle it’s tripping house electrics, any ideas
Does it trip RCD which governs multiple circuits or does it just trip the circuit it's on?
It trips the hole house
Thanks mate.
Thanks very useful 👍
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