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Marzocco GS/3 "machine off" programming locked
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skydragondave
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Posted Thu Jun 5, 2014, 5:52pm
Subject: Marzocco GS/3 "machine off" programming locked
 

GS/3 AV machine, new replacement card p/n E1012/1, will not accept the"machine off" programming inputs of heating full/half and reservoir present/not present. Jumper is correctly positioned between pins 2 and 3 on the CN8 RS232 plug. Did someone lockout these functions with a handset before this card was sent to me? Bought from LMUSA and all staff has gone home for the night.
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skydragondave
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Posted Thu Jun 5, 2014, 6:31pm
Subject: Re: Marzocco GS/3 "machine off" programming locked
 

Solved: The E1012/1 is the Euro-only 200V card which is why those card functions are locked out. My invoice and the LMUSA sticker show the correct E1012 part number, and the E1012/1 number is marked beneath that on the bubblewrap in magic marker. So either LMIT sent this euro card by mistake or it was mislabelled by LMUSA.
Can the /1 card be toggled back and forth between power inputs with a handset, or is it a different component on the board?
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Giampiero
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Posted Thu Jun 5, 2014, 7:43pm
Subject: Re: Marzocco GS/3 "machine off" programming locked
 

the code for 110V or 200V are very similar, E.012.1 is 200V, E.012/1 is 110V, maybe there has been a "misunderstanding"?
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skydragondave
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Location: Ontario, Canada
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Posted Fri Jun 6, 2014, 1:48am
Subject: Re: Marzocco GS/3 "machine off" programming locked
 

According to the GS/3 parts catalogue, the actual part numbers are E.1.012 for 110/220V and E.1.012.1 for the 200V card. On the E.1.012.1 the reservoir enable/disable and power saver mode are locked out.
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billc
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Posted Sat Jun 7, 2014, 8:43pm
Subject: Re: Marzocco GS/3 "machine off" programming locked
 

Not sure about the reservoir but for sure the "power saver" is not present.  There is no need for power saver mode when operating above 200V.  The required current is low compared to 110V.

Bill
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skydragondave
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Joined: 18 Feb 2013
Posts: 168
Location: Ontario, Canada
Expertise: Professional

Espresso: Commercial Only
Grinder: Commercial Only
Roaster: Has Garanti HG5
Posted Sun Jun 8, 2014, 8:47pm
Subject: Re: Marzocco GS/3 "machine off" programming locked
 

Thank you Bill,
Over a very hectic weekend and a lot of pressure, I was able to figure out that a collapsed #1 keypad switch(es) was standing in the way of me being able to modify these settings. LMUSA says the part numbers in the catalogue are a misprint and I did indeed have the correct card, but those two params are only toggled using the #1 (-) key. I was able to get around this by shorting the terminals on the card to simulate the damaged switches closing. A new keypad is on order. In the meantime, the machine is back to full power and got through a successful wedding service. Cheers
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