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heavyduty

#21: Post by heavyduty »

13ryan wrote:Also, Heavyduty, my flow control knob turns a full 2 revolutions, instead of the 1 and 1/4 turn seen on WLL YouTube videos on their flow control devices. Was this also the case for you?
Hi Bryan; Yes, my FC knob turns 2 revolutions. I keep it at 1.5 revolutions when I'm not using the FC or I'm dialing in a new coffee. At this location I'm getting the recommended 8 grams of water per second which I believe is the standard flow rate for a Vibe pump machine. The shot timer certainly helps when checking this. I measured 160 ml water when running the machine for 20 seconds. (160 div. by 20=8) 1ml = 1g
You need to do this if you haven't. There is a video explaining this somewhere on the WLL YouTube channel.

Of course I can't say the cause of your problem is the same as mine was, but I hope you get it worked out with WLL to everyone's satisfaction.

*Edit* I keep my FC at 1 and 1/4 turns, don't know why I put 1.5 :oops:
Tomorrow came sooner than expected.

Paul

13ryan

#22: Post by 13ryan »

Thank you for the reply Heavyduty. I will definitely test the flow rate. What was the cause of your issue? I'm having the exact same issue where pressure at the group is always reading higher than pressure at the pump. This is the same problem you originally had and it was fixed correct?

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heavyduty

#23: Post by heavyduty »

Todd @ WLL generously offered to send me a new replacement brew gauge which I graciously accepted. When the package arrived I was surprised that it included a new FC kit which includes the gauge. I replaced both and now everything seems to be working to my satisfaction. So I really can't say definitively what the precise cause of my problem was. I'm certainly not the mechanical engineering type. :) I would suggest a person to person call to WLL's top tech person, whoever that would be.
Tomorrow came sooner than expected.

Paul