Hi again - update to previous post - have now had Bosch engineer round. Turns out it the heater needed replacing because of a known problem with a sensor on it. He says the sludge trap doesn't emptying as it gets pumped out when a certain level is reached - which probably makes sense as it would...
Hi - before I resort to taking my Bosch drier apart - I have a question about the secret sludge trap please... learning this existed a few weeks ago on this forum was brilliant and I've had several bleeping free tumbles since then. Today the bleeping came back and the sludge trap was full again...