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Draft Beer Systems -- Troubleshooting & Consulting

ProblemPotential CausesSymptomsPossible Solutions
No beer is coming out Keg is empty Gas will rush out of faucet Connect a full keg
  Gas tank is empty Other draught lines will start to pour slowly, gas tank volume gauge will read "0" Connect a full gas tank
  Gas valves are shut off Beer pours very slowly and stops, but tank volume gauge shows that there is gas in the tank Turn the toggle so that it is parallel with the gas line
  Beer line is frozen Beer trickles out or  stops in one tap or multiple adjacent taps Turn the glycol system off for 1 hour, then try pouring
Beer is pouring foamy Beer lines are dirty Beer gradually becomes foamy over several weeks time and lines have not been professionally cleaned. Contact a professional draught servicing company to clean lines every two weeks.
  Gas regulator set at wrong pressure Beer pouring very rapidly or very slowly, with excessive foam Adjust pressure - downstairs keg systems should be set at about 24 P.S.I., and direct draw systems (under the bar) should be set at about 10 P.S.I.
  Keg storage or coolant temperature is too high Beer pours above 40°F with excessive foam Lower the cooler temperature, limit traffic through the cooler door, and lower the temperature of the glycol reservoir to about 35°F
  Beer was just delivered The first few pints in a keg pour foamy Wait 1-2 hours, then pour again
Beer "burps" or sputters There is a warm spot, kink, pinhole, or bacteria buildup somewhere in the beer line The beer starts pouring fine, then "burps" Check to see if a full keg could be setting on a beer line.  If not, check the insulation and scals on the line with a sponge and warm soapy water, and plan to get the lines cleaned
  There is a bad seal around the faucet or keg coupler (sankee) The beer starts pouring fine, then "burps" Replace washers in the keg coupler and faucet or exchange for new equipment
Beer tastes "off" Beer tastes metallic when run through recently cleaned lines All beers on draught have a metallic taste Lines cleaned with caustic acid can leave a faint metallic taste.  You can request that your lines be cleaned with a chemical-free method, or just pour a few pints off and the taste should return to normal
  Beer has a strong buttery or butterscotch flavor Diacetyl could have formed in the beer during fermentation, creating this off taste The keg is filled with bad beer  and should be returned to the distributor, with a request to notify the brewer
  Beer has a "creamed corn" flavor D.M.S. could have formed in the beer during fermentation, creating this off taste The keg is filled with bad beer  and should be returned to the distributor, with a request to notify the brewer
  Beer tastes stale, with a papery or "wet cardboard" aroma The keg could be past its expiration date, or air could have been pumped into the keg Ensure that you are pressurizing kegs with CO2 or or G-mix from a gas tank, not with with oxygen rich air.  If the keg has been on tap for longer than four weeks, it can go bad, and should be returned to the distributor