Hi Chris. I can't help you with the fault because it
could be a failed sensor in the thermoblock instant water heating system for the coffee showing it's too hot and you will no doubt be in the tender arms of Bosch or one of their repairers. .
I'd strongly recommend using Bosch because they set a limit on the charge.
If your Bosch appliance is outside of the two year manufacturer's warranty, or the Bosch Extended Warranty, your repair visit will be chargeable at £99, or £109 within the M25, plus the cost of any replacement spare parts required to repair the appliance. This charge is inclusive of the engineer call out and labour, and the same call out and labour fee applies no matter how long the repair takes. Please note you will still be charged in the event of no faults being found, parts being unavailable, or if the engineer determines that the appliance is unrepairable.
The bit in bold will one day get you..Until then if the sensor can be replaced and let's assume they don't try and rip you off (and I don't think they would). A sensor costs about £8, if the sensor is embedded in the instantaneous heater assembly it's around £56 to replace that. So on a worst case (and assuming no special extra because your on the Island) it's going to be maximum £156.
Now I could be wasting my time telling you all this because for all I know, you already contacted Bosch and they said they don't to call outs to the island?
The bit that you will probably find helpful ends here..................
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The bit you probably won't like starts here....
What I can help you with is some food for thought next time you purchase a coffee machine. Which will most likely be within the next 4 years assuming you bother to get that one repaired. As far as Bean to Cup machines go it's very similar in operation to most of them and close to the Melitta system. one of the big drawbacks of this machine is the two beverage Nozzles are shared for Coffee, steam, hot water and milk....not an ideal situation and if I have the model number right that also describes your machine. It makes drawing hot water more involved than it should be, doesn't separate the nozzles and one lives in hope that a cafe crema or Americano doesn't simply keep pushing water through the coffee but diverts away to a dedicated hot water line?
Dispensing hot water, The appliance must be ready for use. Remove the milk tube from the milk container. Remove any milk or coffee residue from
the outlet. Place a cup or glass underneath the beverage outlet.Turn the control ring and select "Hot water".FFThe settings can be changed as described in the section "Drink adjustment". Press C to start dispensing. The message appears "Milk hose separated from milk container?". If still connected, remove the milk tube and touch [ Yes ] on the display.
Hot water flows out of the beverage outlet.
This is poor in my opinion for a machine costing so much, even in a much cheaper Melitta, they have 3 Nozzles 2 for coffee and one for hot water/milk froth and you don't have to remove the tube from the milk part if you just want hot water.
The coffee it makes despite all the powerful advertising, marketing, smiling salesmen etc.. is going to be similar to a BTC machine costing £600. Your drinks probably end up like this.
I could go on about loads of drawback of such a machine, however when the need to spend £1500 on a coffee machine takes hold of you again in 3 or 4 years time, at least consider something
like a * * (or * *) and * ***, or similar setup. With a little bit of work
it will make coffee so superior to the Bosch that you won't believe it (much quieter too). I won't say it will be coffee shop good because it will be much better than that. Best of all it will cost you hundreds of pounds less.
Proper prosumer kit and decent grinder won't have all the whizzy features, recipies, colour LCDs touch rings, web connected and other Nonsense of the Bosch. What it will do is make Milk foam like you only dream of, coffee to die for and do a far better job....with just a little bit of effort to learn to use it.