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.
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?
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.
skydragondave Senior Member Joined: 18 Feb 2013 Posts: 167 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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