Discuss Washer dryer. in the Electrical Appliances Forum area at ElectriciansForums.net

If I had the room id definitely get a big vented drum dryer.

Not too bothered about efficiency, we plant a tree every time we use it to make it carbon neutral.
do you plant the trees in the drum or bonsai in the soap tray?
 
It has surprised me how much a condensing one heats the room !
( and it's lack luster performance if room is already quite warm)
...I still have the option to get some ouside air envolved ! ...
(back to washer driers , do you have good water pressure ?)
 
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do you plant the trees in the drum or bonsai in the soap tray?
Dont be facetious, they are little mustard trees we plant in cotton wool on the window sill.
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Wot about just using the washing line, to hang the wet washing on ;)
Because, due to the vapour pressure of water, lack of wind and of direct sunlight there are few physical effects that will actually cause the water to volatalise.

And the missus is bone idle, good job she's a looker.
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F17 indicates a problem with flow rate of the water in to the machine - the inlet valve to the condenser - the flow rate is too slow. It could also be the condenser inside is blocked/restricted with lint and fluff.

Bosch Washer Dryer WVD24520GB/01 F17 error when drying - https://www.justanswer.com/uk-appliance/81uvz-bosch-washer-dryer-wvd24520gb-01-f17-error-when-drying.html

I only know about these codes because last week our WM displayed E18 meaning the drain filter was blocked
Ah, sense. Well unfortunately this is a Hisense not bosch

There is little physical indication that the valve has opened although the winding resistance is in range and there is 240V to it.

The water exiting the machine is cold when the machine pumps it out so i dont think its a water/condenser issue, but could well be wrong.

Anyhow the F17 coincides with the high temp trip going.
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5 months old? Send it back. Years warranty, surely.
This will be the case in the end but it winds me up that we have had two "engineers" out to it and they were both clueless.
 
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Anyhow the F17 coincides with the high temp trip going.

So, .... I reckon the high temp trip activates because the circulating warmed air is too hot because the cooling provided by the condenser of the vapour laden hot air is inadequate because the condenser has an inadequate flow of cold water water through it because the inlet valve is obstructed in some way (its filter?) or not fully open or the condenser pipes are restricted - so the air gets hotter and hotter and more vapour laden (saturated) and useless for drying wet clothes with. Or something like this

I think these error codes may be standardised because Bosch and Siemens and Hisense use F17 for this problem. See comment by 'It looks great' in:

https://www.very.co.uk/hisense-wdbl...y-1400-spin-washer-dryer-white/1600320921.prd

If it was me I would buy this valve £20 - espares do a check will fit appliance service - and fit it myself to see if it was the problem as inidcated by F17 rather than faff about organising an 'engineer' to visit:

Hisense Washing Machine Valves | eSpares - https://www.espares.co.uk/search/ma3064pt1753/washing-machines/valves/hisense

Hisense Washing Machine Double Valve | eSpares - https://www.espares.co.uk/product/es1778482/washing-machine-double-valve?pageNumber=1&PartTypeId=1753&ManufacturerId=3064
 
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This is the valve in question.

Like I've said the discharge water is cold, if there was insufficient coolant id expext this to be hot or at least warm.

After putting it through several 30 min cycles I observed that for the first three minutes it balances out the load. Then the heating element is energised for a further three minutes then for the rest it basically recirculates this hot air.

I can get it to go F17 by powering down just after the three minute heat up and starting a new drying cycle.

I will read your link though, cheers.
 

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Vented Condenser dryers don't get as hot as open cycle air vented dryers and the closed cycle unvented condenser dryers are significantly cooler still - all they doing is producing warmed (not hot) dry unsaturated air to absorb water in the drum which is then condensed out and the air recirculated again. This might explain your observation that the exit water is cold - it is not much heat laden. All the heat transfer is constant temperature phase changes of water to vapour in the drum - vaporization- the clothes and air lose heat - latent heat of vaporization- and then vapour to water - condensation into water condensate and dried air in the condenser - latent heat of condensation given up and the air absorbs some of this heat and is recycled. The electric heater makes up for inevitable losses.

or something like this - explanation could be better but you get the gist. :)
 

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