![]() ![]() NOTE: Under no circumstance do we recommend you remove the copper plug and open the safety valve.On older machines, debris and buildup can form here, this will allow steam to escape when steam pressure is built. Safety valves contain a Teflon diaphragm. If the safety is still leaking, replace the safety valve.If this continues there may be an issue with the relay, control board, or PID controller. Try turning down the steam pressure using the PID controller to see if this prevents the safety valve from going off. Is steam pressure too high? The safety valve will vent when steam pressure exceeds a certain point.If cleaning it does not resolve the steam leak, replace the vacuum relief valve.How To Clean or Replace a Vacuum Relief Valve on a Profitec Pro 700 Espresso Machine Make sure the small O-ring is not broken or too dried out. ![]() Take apart the vacuum breaker and inspect the components, clean all components and remove any buildup or small pieces of debris.If the vacuum breaker will not seal, move to the next section. If this is the case, the “T” connector will need to be replaced. If that happens, then you will be able to see steam coming out of the top of the machine, as the vacuum breaker is closing, or if it is stuck open. With age and being subjected to varying heat, this “T” connector can become brittle and break. The vacuum breaker is connected to a hose that goes into a plastic “T” connector that attaches to the front discharge of the machine.Is it steaming from above the machine through the vents on top? If they are destroyed, they are also easy to replace and very cheap. If they seem to be okay, you can lubricate them and see if that resolves the leak. You can take apart the lever, and check to see if they are worn. There are 2 O-rings in the lever of the machine.Is the leak coming from the lever arm of the machine? You don't have to replace the screen once a year, as typically it can simply be cleaned. The document attached at the end of this article titled "Replacing The Group Gasket On Your E61 Machine" shows how to replace the group gasket and shower screen. When a group gasket is really old, it can be extremely difficult to remove from the machine, so even if you don't experience any leaking, replacing the group gasket on a yearly basis is a good idea. When the group gasket is worn out, it becomes hard, and no longer creates a good seal between the portafilter and the group head, so you may begin to notice some leaking. For the average home user, the group gasket should be replaced about every six months to a year.Is coffee coming up and over the portafilter? Learn what to do when an ECM Synchronika espresso machine is leaking from the portafilter, steam wand, the boiler, and/or from the bottom of the machine. ![]()
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