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Re: Bosch F/F icing up regularly
I would be very surprised if its a blocked drainage tube. I’m just getting shut of a Bosch KGU3220GB with the same problem. I had to de-ice the freezer every 2/3 mnths for 3 years, otherwise it would reach a point where the fridge temp would start to rise to room temp and the warning alarm beep. The tube was ‘blocked’ – because it had iced over.
The problem happened within 2 months of buying the f/f from John Lewis. The Bosch service engineer claimed the f/f wasn’t faulty, it was because the f/f was sited in a corner of the kitchen and there wasn’t enough air circulating round the back. Although, there was ~2 foot of head space above the f/f. So he said the f/f would always have this problem.
Fast forward a couple of years and I’m refitting the kitchen. The Bosch f/f is stood on its own with metres of freely flowing air space all around it. And surprise, surprise the freezer is still icing up like there’s no tomorrow. (no blocked tubes too). Sadly, the f/f was now out of guarantee. Had a big barny with John Lewis customer care, but they firmly believed I should’ve taken day after day off work to hear the same stories from the Bosch service engineer, rather than trust the first engineer’s diagnosis. Er, right?!
The freezing fault lies with something on the pcb. A new PCB costs around £120, although the fault probably lies with some poorly soldered 10p transistor on the board.
There’s enough people on this and other sites asking why their Bosch KGU’s f/f is icing up for me to think the defrost circuit on the PCB’s are poor quality.
