Question about Bunn Coffee Makers & Espresso Machines
This could be an issue with the wiring of the fill and brew valves or it could be an issue with the control board. When you draw water off, the machine should replace the same volume of water by opening the fill valve. If the brew valve is opening at the same time, tgen there is an issue. I recommend placing a service call.
Posted on Dec 30, 2018
Yes, but you need the pre weighed grommets from bunn, if you remove the top panel on the machine you will see the brew tank, within that there will be brown plastic shaft with a yellowish cylinder on top of it. There might be 3 or 4 washers on top of that yellow piece, those are the weights, when the water fills the tank it pushes the float up and when it reaches the top it turns off the solenoid. You should be able to try it without the top on.
Posted on Jun 30, 2009
SOURCE: Set flow amount on Bunn STF 35
Remove the top panel and look for the yellow float, this controls the amount of water brewed, to adjust remove some of the washers on the float and test until you get the amount needed.
Posted on Jul 24, 2009
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