Photo of the wires and pipes inside an espresso machine

↩️ Reply to: https://prettygoodhat.com/note/1555642066/ by Alan S.:

I took apart my espresso machine yesterday to troubleshoot the solenoid and pump. That was a good puzzle! Especially the solenoid, which is nestled intricately beneath several other parts. After cleaning and reassembling, it seems to be working once again, for now.