I have a Bunn Ultra-2 frozen drink machine which is displaying a fault code of "left temperature sensor fault". Is this something that I can address myself?

SOURCE: on a bunn ultra 2 dispenser i have a fault on the

It can be weak compressor or faulty auger motor or faulty valve connections.As you mentioned that valves loose voltage as compressor comes on, this is indication of weak compressor or main board.If the compressor voltage checks ok then its main control board problem.-------- You will have to test it with meter. ---------- This unit has a warranty on it, if its not very old.--------- The warranty details is as follows:-- 1) All equipment other than as specified below: 2 years parts and 1 year labor. 2) Electronic circuit and/or control boards: parts and labor for 3 years. 3) Compressors on refrigeration equipment: 5 years parts and 1 year labor. 4) Grinding burrs on coffee grinding equipment to grind coffee to meet original factory screen sieve analysis: parts and labor for 3 years or 30,000 pounds of coffee, whichever comes first ------------ This should help.Thanks.Helpmech.