📹 Semi-Automatic Machines: Leaking or Clogged Solenoid Valve Updated January 12, 2022 17:04 Learn how to diagnose and treat issues with 2-way and 3-way solenoid valves in semi-automatic espresso machines. Servicing a Leaking or Clogged Solenoid Valve Diagnosing Solenoid Issues (00:00) Types of Solenoids (01:37) Tools Required (02:40) Wiring (03:00) 2-Way Solenoid Disassembly (03:30) Signs of Piston Aging/Damage (05:50) What Comes With Solenoid Valve Assembly? (06:47) Cleaning Out Solenoid Valve (07:30) Inspect Holes for Buildup (08:38) 2-Way Solenoid Reassembly (10:04) 3-Way Solenoid Disassembly & Inspection (11:53)