Bunn coffeemakers have been used in commercial and personal settings with a full range of beverage-making products for more than 50 years. All multicup coffee-making machine's water levels can be adjusted on all their machines. Bunn refers to altering the amount of water for pot of coffee as adjusting the brew level on the machine. Adjusting the brew level can be raised or lowered with a press of a button.
Check the coffee machine to make sure it is in proper working order prior to adjusting any settings on the machine. See if the tank is filled to the recommended level for the model you have. If the machine has a water line attached, check the connections on the line to make sure it is supplying water as it should.
Check that the "Set/Lock" switch located at the back of the machine is in the "Set" position. This switch is located on the switchboard--if needed, remove the back of the machine to access the switch.
Press and hold the "Start" or "Brew" button on your coffee machine until three clicks are heard. Release the button as soon as the clicks are heard. If the button is pressed for two seconds after the click, the setting will not change. After hearing the clicks and releasing the button, press the "Start" or "Brew" button one or twice in succession to raise the brew level. Each press of the button will increase the amount of water released by the coffeemaker by two seconds. This will change the amount only for this brewing.
Press the "Start" or "Brew" button once or twice for each two seconds less the machine should release water. Press and hold the button until three clicks are heard and release. This will decrease the amount of water released. This will change the amount only from this brewing.
Press and hold the "Start" or "Brew" button until three clicks and then release the button immediately. Watch as the machine releases water. When the machine's water level reaches the level that you want for all future brewing switch the "On/Off" switch at the back of the machine to "Off." The machine will then remember this brew time and will continue brewing this same amount each time until the brewing level is changed.