I picked up a new UNIC - DIVA Crema; it came with a Diva Pro guide in French (MFG tag states it was made in France) but the manual is more about the circuitry than anything else. Looks like a great machine inside and out but it was dusty as it had sat for years (according to the owner).
Before I plugged it in I filled the boiler with a citric acid solution (boiled water and citric acid) and once the boiler was filled I plugged it in and just ran the "free flow" cycle to filter it out. I initially didn't turn on the heater as the pressure and heat gauge up front looks broken (neithers read 0), but after flowing through gallons of water I thought I would try. Once I turned on the element switch it started to heat up fast (boiler really gets hot fast) but within a minute I started to notice dripping from one capped line that connects the boiler to the steam wand as well as from the pressure gauge to that line (see pic below); where it started to bubble over I noticed the cap has a hole in it?
I'm thinking someone (since it was last in operation) put the wrong cap on here - but not sure if it's maybe missing a flexible line or some pressure release valve? There's next to no room for anything to fit - but curious if someone with more knowledge than I can tell me if it just needs a cap with no hole (how could you produce steam in an open line - doesn't make sense to have a hole in it???). The line to the steam wand and it's cap is right under the steel frame so nothing higher than a half inch would ever fit out of this hole if you had to unthread the cap.
Machine:

Open cap; 1/2 inch under frame:
Line connects to steam wand and T's to the pressure gauge:
"T" line goes into back of gauge:
Broken Gauge??? These should be spun to "0" when machine is off, no???: :
Think I have to order a new gauge as well, but other than that and the mystery of the cap with hole I think that everything else works just fine... Any help on this, or if you know any tips or have documentation for this unit I would appreciate any and all!
Thank you, Forum!
Before I plugged it in I filled the boiler with a citric acid solution (boiled water and citric acid) and once the boiler was filled I plugged it in and just ran the "free flow" cycle to filter it out. I initially didn't turn on the heater as the pressure and heat gauge up front looks broken (neithers read 0), but after flowing through gallons of water I thought I would try. Once I turned on the element switch it started to heat up fast (boiler really gets hot fast) but within a minute I started to notice dripping from one capped line that connects the boiler to the steam wand as well as from the pressure gauge to that line (see pic below); where it started to bubble over I noticed the cap has a hole in it?
I'm thinking someone (since it was last in operation) put the wrong cap on here - but not sure if it's maybe missing a flexible line or some pressure release valve? There's next to no room for anything to fit - but curious if someone with more knowledge than I can tell me if it just needs a cap with no hole (how could you produce steam in an open line - doesn't make sense to have a hole in it???). The line to the steam wand and it's cap is right under the steel frame so nothing higher than a half inch would ever fit out of this hole if you had to unthread the cap.
Machine:

Open cap; 1/2 inch under frame:

Line connects to steam wand and T's to the pressure gauge:

"T" line goes into back of gauge:

Broken Gauge??? These should be spun to "0" when machine is off, no???: :

Think I have to order a new gauge as well, but other than that and the mystery of the cap with hole I think that everything else works just fine... Any help on this, or if you know any tips or have documentation for this unit I would appreciate any and all!
Thank you, Forum!

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