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We have had this heat pump condenser drier for about 2 years now. Since new we have noticed the warm damp air that comes from the vent at the front of the unit. Is this considered normal?
We think that the amount of damp air being emitted now is getting greater, and this is causing mould to form in the room it’s situated in. The filters are cleaned twice a week. The machine has an external drain which is used, water still gathers in the cartridge but this is normal I’m informed!
There is a video that shows a complete strip down of this series 8 machine to clean the condenser and just about everything else. This looks quite a job…
We use a dehumidifier in the room the drier’s in, but the room still feels damp when unit is on.
This is supposed to be a ‘self-cleaning condensor’ model, is this to be believed..?
Any thoughts? Had a old vented drier before. Nice dry laundry area, but higher bills..!
Thanks for reading and any advice offered.
Jerry111
The installation should be checked via the manual on location etc, and if it is self cleaning the are products that bosch use to maintain the condenser, evaporator the self clean function works when there is water in the container and flushes the condenser,evaporator so I would advise checking and using the cleaning products I mentioned
kaibart wrote:The installation should be checked via the manual on location etc, and if it is self cleaning the are products that bosch use to maintain the condenser, evaporator the self clean function works when there is water in the container and flushes the condenser,evaporator so I would advise checking and using the cleaning products I mentioned
good point had not thought of that. how can you self clean something with no water
thats a recipe for decreasing efficiency
Dave
Thanks for replying. I think the unit is just under 2 years old.
I have the user manual, there is no user cleaning method mentioned in the manual. It does mention that a hourglass symbol appears on the display when the machine self cleans. None of us have noticed this on the display.
When we first had it, there was very little water that gathered in the container during drying. The container is now sometimes full. The drain hose goes to a 40mm waste trap. The height of which is 20 inch above floor level. I don’t think the drain is blocked, but I will check.
The dryer is used every day, for 2 hours or more. I feel that something is changing inside and the performance is dropping.
If the the water in the container is used for cleaning the condensor/evaporator, could it be that instead of the water being drained as it was at first, the unit is retaining water to use for a self clean function? Just a thought. I’ve not seen the self clean symbol but that doesn’t mean it’s not appeared.
The machine in the YouTube video was badly fluff clogged. Inside the condensor evaporator box, the fins were all choked with fluff.
We do all what was written in the user mauser.I don’t think there is anything else from a user point of view to do.
From a service engineer standpoint, is internal cleaning covered by the Bosch warranty?
I work as a service engineer myself on Tv/Audio equipment and cleaning such as used to be required on VCR’S etc was very much a grey area for warranty claims.
Regards, Jerry111
If it under 2 years old then it will not need a clean please use the cleaning products in attached picture
if the condensor is blocked you can see it by removing the lint filter and the secondary filer and look down with a torch. you can see the fins of the evaporator and see if they are covered with lint
Dave
Thank you Kalibar and Electrofix for such informative answers.
I found the cleaning fluid on Bosch’s website. There are a few comments about using the fluid. Your machine has to be set to a program, to their credit Bosch did send me a copy of the procedure to do this, which is range specific. I read the graphics-only-language-free pdf, no mention was made of whether you had to put the machine back to canister only collection, or leave it in drain hose operation. Bosch support are looking into this, they’ve said they’ll contact their own technical support dept to see the best method for the cleaning program. I’ll let you know what they have to say on this!
It was all a lot easier with a vent pipe through the wall! Mind you the costs…..
Regards Jerry111
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