Bosch WTW87560GB Tumble Dryer Not drying

Not drying, everything appears OK but it's very humid in the drum and taking hours and hours to dry. Pump appears fine and drain isn't blocked.

Lee

I will try and help with your Bosch WTW87560GB Heat pump tumble dryer problem

This model uses a heat pump. Heat pump tumble dryers have a condenser that is cooled with gas assisted by a compressor - just like a refrigerator does to cool air - that separates water from the warm air that passes over the wet clothes and puts it in a water tank.

The remaining dry warm air is then pumped back through the drum, re-using it to help the clothes dry faster. 

From what you describe, it seems like the compressor is running low on gas and not being able to achieve the required difference in temperature to condense the water in the air. You will need to have someone with specialised knowledge on these types of tumble dryer looking at it.

I've included pictures of the exploded diagram with the compressor circled in red, so you can understand what goes inside your model.

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