Question about Krups Novo 3000 /FNC3 Espresso Machine
My machine is 18 months old and just recently the brew head where the coffee comes out starting hissing and steaming, the coffee comes out really fast and bubbles making the coffee taste disgusting it has no crema on top either. I have tried fresh coffee, bottled water, tamping down really well and descaling. I wonder if the thermostat has gone and whether it is worth repairing as it is getting old now.
If it's only 18 months old surely it will still be under some sort of manufacturers guarantee, you don't bin 18 month old coffeemakers nor should you be paying to fix them. Put the problem back in their lap.
Posted on Aug 05, 2017
SOURCE: Water tamp
General descaling will work for a while, but after some time, you'll get the temperature problem worse and worse.
I had a problem with my Pavoni 16 lever not being hot enough, and so not having enough steam pressure. The solution was to clear the lime deposits from the thermostat. When I did that, the temperature and pressure shot back up.
The thermostat is in the base of the machine, and it's at the end of a blind tube coming from the base of the boiler. So even if you regularly boil up the machine with vinegar, the end of that blind tube doesn't really get cleaned, and it fills up with lime. When that happens, the thermostat isn't able to properly sense the temperature of water in the boiler.
You can fix this without opening the boiler. Remove the base of the machine, and separate the thermostat from the pipe that connects it to the boiler by undoing the plumbing connection. Disconnect the electrics from the thermostat and fill its sensor end with hot vinegar, then flush and refill a couple of times to get it really clean. Poke a long flexible object, like a pipe cleaner or cable tie, up the short bent pipe that connects the thermostat to the boiler, while dribbling some hot vinegar down the pipe. Reconnect the thermostat to the pipe and do 3 boil flushes of the machine with clean water.
You can see the tube in photo #36 of my Pavoni rebuild at http://cid-e0a4d8901828b395.space...A4D8901828B395!166
Hopefully this will get your machine back to making great coffee!
Posted on Sep 08, 2008
SOURCE: no water through the head!!
I had the same problem - all water going down into the tray at the bottom - virtually none through the coffer basket. I couldn't find citric acid at the store to descale so I used white vinegar instead. I 3/4 filled the reservoir with warm water, and added about 1/2-2/3 cup of vinegar. I first ran water through the 'hot water' button (it comes out the steam spout). Then I ran the entire reservoir through the machine using the 2-cups option. It started running right away. I rinsed out the reservoir with fresh water, then ran a whole reservoir of fresh water through the machine to get rid of the vinegar smell. The first cup of espresso after this treatment was as good as ever. Phew! I thought we were up for a new machine!
Posted on May 26, 2009
Crema is the goldish brown top that goes onto the top of the coffee once it is dispersed from the espresso tap and flows naturally as part of the coffee when coffee is made. Im not sure what you mean "blasted."
Perhaps you should flush through the machine with cold water a couple of times beforehand and also consider a descaling kit - check your manual or Krups if there is one for this model.
Crema isn't produced by any machine though.
Posted on Jul 25, 2009
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