I have the same problem with my E9 and I have traced it to the diaphragm unit that is just distal to the pump itself. Apparently, the diaphragm is secured with a steel band (not stainless since it is rusty) that may hold seals or O-rings that break down. You can observe it leaking when pressure applied during brewing. The question is: can a new unit be ordered and if so, where?
Check silicone hous from water tank to pump,and check hous from pump to brew unit.i had same problem with white hous from tank to flow metar
Take your water tank out fill it and sit it on the counter and check for leaks from the tank itself . Mine was leaking from the widow **** that you look through to check how full the water is and it only leaked when it was more than 3/4 full. Drove me crazy but it was a simple problem. Also you need to clean inside the machine where the coffee puck is formed regularly as well and some coffee causes more problems than others . If this area gets all gummed up with old coffee grinds it will leak as well.
I guess it is "hose"...
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I have an E8 with the same problem, how do you open the unit to see if an o-ring or hose needs replacement? Thanks, Russ
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