20 Most Recent Bunn Margarita Machine Ultra 2 Slush Granita Maker Questions & Answers


It means your machine needs to have seals and bushings replaced. This maintenance should be performed twice per year to keep your Bunn Ultra 2 in working order. This is something you will need to call a technician in to do.

Bunn Margarita... | Answered on May 24, 2016


you will need to contact bunn for the master reset.

Bunn Margarita... | Answered on May 24, 2016


was it hot? the compressor may be overheated and went into shutdown until it cools. it's safety feature if the fan stops or if the airflow is blocked by too much dust. clean the filter, check the fan, and try again. if it's not hot, it's the transformer that powers the main circuit board.

Bunn Margarita... | Answered on May 10, 2016


the sensor board is in the back behind the motor cowlings. open one up and the board is in front of the motor. check the wire harness to it, and check to see that it is not damaged. there should be a red and a clear sensor sticking up from it.

Bunn Margarita... | Answered on Jan 28, 2015


it isn't oil, it's old, syrupy slushie mix and dust. the only oil in the machine is inside the hermetically sealed (cannot open) compressor. you have a front seal problem. the shaft seal in the front inside the evaporator (steel tube), and the cup-shaped seal between the auger and the evaporator. slush is getting inside the shaft tube and dripping through the inside rear of the machine. replace the seals, lube with a food-safe lube and refill.

Bunn Margarita... | Answered on Jan 03, 2015


upper case means it is still trying to slush. lower case means it has reached designated slush thickness

Bunn Margarita... | Answered on Nov 27, 2014


the words ultra, gourmet, and ice above the display are buttons

Bunn Margarita... | Answered on Sep 08, 2014


the words ultra, gourmet, and ice above the display are buttons.

Bunn Margarita... | Answered on Sep 08, 2014


clean the filter and condenser coils, leave at least 6 inches of space for it to breathe

Bunn Margarita... | Answered on Sep 08, 2014


the mix is too rich. add some water to each side. it freezes based on torque, not temp.

Bunn Margarita... | Answered on Sep 08, 2014


hold down the "gourmet" button above the display for 5 seconds to get into the menu. scroll through (gourmet button) until you get to "reset" and select yes.

Bunn Margarita... | Answered on Sep 08, 2014


What does the display say? the shaft has an optic sensor. if the shaft pins or the sensor board are broken, it'll say sensor error. if the torque springs are broken, replace the shaft.

Bunn Margarita... | Answered on Sep 08, 2014


Make sure it's on ice, not chill or off. clean the rear filter and make sure there is at least 6 inches of space behind the machine for it to breathe.

Bunn Margarita... | Answered on Sep 08, 2014


make sure it's on ice, not chill or off. clean the rear filter and make sure there is at least 6 inches of space behind the machine for it to breathe.

Bunn Margarita... | Answered on Sep 08, 2014


what does the display say? the shaft has an optic sensor. if the shaft pins or the sensor board are broken, it'll say sensor error. if the torque springs are broken, replace the shaft.

Bunn Margarita... | Answered on Sep 08, 2014

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