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Espresso Machine Details

Breville Barista BES870XL

Disassembly

See https://www.youtube.com/watch?v=V-WCjDRRFFw

Water Flow


FlowDescription
1Water flows from pump to boiler
2From boiler to valve assembly
3Default flow for water/steam
4To group head
5From valve assembly to drain
6Pump safety valve to drain
7Steam/water to drain
8To hot water exit
9From head to pressure gauge



Solenoid Valve Assembly

Solenoid Valve Assembly


PartDescriptionManufacturer Info

CEME v397vn25pr44 series 5C

3-way solenoidhttp://www.cemegroup.com/solenoid-valves/v397-199
CEME v799vn15pr44 series 5C2-way solenoidhttp://www.cemegroup.com/solenoid-valves/v799-211


Parts




Troubleshooting

No Water Getting to Group Head


Observations:

  • no water is coming out the group head (no espresso)
  • water IS being dispensed from the steam wand and hot water outlet.
  • no pressure when trying dispensing a shot
  • no water when trying to dispense a shot
  • 3-way solenoid valve had melted
  • something had blown on the PCB

...

Success?:

  • still waiting on part

References

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