My machine is about 2 years old and I use it 2x daily. My steam knob has always been hard to turn, gets very tight and sometimes gets stuck on or off. Now, it just turns freely, does not tighten or stop and does not control the steam wand, so I can not froth milk or set the steam wand to leak when warming my machine up. Is this simply a matter of ordering a new knob and replacing the plastic part, or is it more complex? Is this a common problem for the Oscar? Thanks!
SOURCE: Steamer is not getting hot enough.
Try using the milk clamp on the tube going into the milk.Tightening it will make your milk hotter.
Your steam wand however, is a different problem.
First, check in the programming that the steam temp. is 125 celcius.
If it is, and none of the tubes from the steam wand to the boiler valve are blocked, your boiler temp. sensor may be faulty, in which case, you will need to replace that.
SOURCE: Empty light on espresso machine won't turn off and tank is full
I have the same machine. I just went on the coffee geeks website and it is easily solved. Just add a few grains of salt to the reservoir - the sensor cant detect water that is purified - strange but true as four grains and it fired up just like that.
SOURCE: We own a nuova simonelli oscar espresso machine
Do not remove the water reservoir from the machine...the sensor is very sensitive. Leave it in and just fill it with tap water.
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