We just brought our machine to north america. We went to prime it as per instructions but water is not being drawn from the resevoir. It makes a slight humming noise, the machine gets slightly warmer, and the light keeps blinking but the water does not flow. Any suggestion/solutions?
The reason could be the following.
You used your machine on a mains working with 50 cycles/sec. In U.S. frequency is 60 cycles /sec. this could alter the working of the oscillating piston in the pump. The impedance of the coil is somehow about 20% higher on this mains, reducing so current and power of the pump.
To be quite shure of this, try to fill the pump thoroughly with water.
(Disconnect machine from mains, use Low pressure hose , max 0,5 bar, tied to the inlet -where the water tank feeds-, and fill until water comes out of the open hood)
If now the same humming persists an no pumping effect is noticed, i even will be a bit wiser knowing that 60Hz is not good to 50 Hz pumps.
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n regards of the no prime issue. this is the only way i could prime this new puppy.make sure its stone cold which is a no brainer since it will not heat h2o unless its primed. first take off steamer plastic tip ,turn on steamer clock wise till pump starts. then **** the tip of the end of the metal tip hard until pump stops may need to do it a couple of times. yes this seems out of this world but it works. you are flushing out the vapor lock in the pump. bravo enjoy!
first vinegar is not strong enought proper descaler for expresso machine and in our water container the hole in the bottom put water in the tank with a hoseor turkey juicer our anything you got push water in hole you need to pressurize to forse the pummp to trim itself hope it help fixya pierre