The machine keeps shutting itself off. Just a couple months ago, I replaced the pressure stat, heating element for the steam boiler and the coffee boiler. It has been working fine and then this morning we turned the machine on, boilers heated up. we keep the steam wands open while the machine is heating as instructed by a service technician, but as soon as the water and steam start to come through the wands, we hear a popping noise and the machine shuts down.
Sounds like the safety thermostats on the machine is tripping because the machine is overheating or the circuit breaker is tripping because machine needs more amperage.
SOURCE: no heat or steam in starbucks barista
Likely a limit thermostat, you have to find them to see if they are resetable or one shot. Do not bypass them. Usually located on the boiler. Other option is blown element, you need an ohm meter to test both. Inexpensive one is fine.
SOURCE: I have had 2 la marzocco lineas where the steam
For the element to burst, the machine has to be devoid of water, Do you have a reset thermostat on the steam boiler, if no then it would be wist to get one put in to protect the element. Next, check the flow from the filter, is it restricted, if it is find out from which cartridge and replace. Next, the level probe might be set too low, lift the probe another 1/2 to 1 inch. Remove the safety valve, turn the machine to 1(fill) and lift the probe so that the water level is above the element. If the machine does not have off-fill-on(3 position switch) then that could be the brunt of your problems. Next make sure the inlet solenoid is filling the machine, you will know be removing the wire on the probe and the machine will start filling.
SOURCE: I own a vintage Pasquini Livietta cappuccino maker
Remove the shower screen and make sure it is clear, then remove the screws on the top panel, If after checking screen problem still occurs, find the tube that leads to the head and make sure it is not blocked.
SOURCE: la cimbali junior does not pump water into the boiler
The connection from the boiler to the pump is clogged, you can descale or remove connecting hose and clear.
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