DIRECT DRAW SYSTEMS
PROBLEM
CAUSE
SOLUTION
Beer Foaming
Temperature too warm
(should be 36° F)
Adjust temperature control or call qualified
service person
Temperature too cold/frozen beer in lines
(should be 36° F)
Adjust temperature control or call qualified
service person
Kinked beer line
Change beer line
Wrong diameter or length beer line (should be
6.5 ft. of 3/16” vinyl tubing or possibly even
longer)
Change beer line
Applied pressure too high
(should be 12 to 14 psi for most beers)
Adjust C0
2
regulator to brewer’s specification
(If CO2 pressure has been too high, kegged
product may be over-carbonated and be bad
and not correctable).
Applied pressure too low
(should be 12 to 14 psi for most beers)
Adjust C0
2
regulator to brewer’s specification
Coupler washers bad
Replace coupler washers
Faucet washer bad
Replace faucet washers
System dirty
Clean system or call customer’s line cleaning
service
C0
2
leaks or out of C0
2
Check fittings, clamps, shut-offs and regulators,
replace as necessary
Beer foaming in jumper - keg valve seal torn or
ripped
If seal is ripped/torn, gas enters the liquid flow
stream causing foaming. Replace keg and report
defective keg to distributor
Beer foaming in jumper - physical obstructions at
coupler-valve junction
Remove any physical obstructions or debris
(e.g. a piece of a dust cover) that could allow
gas to enter the liquid flow
Beer foaming at faucet - clogged vent hole(s)
(If applicable to the faucet being used)
Disassemble and clean faucet, or call line
cleaning service
No Beer at Faucet
Empty C0
2
bottle
Replace with full C0
2
bottle
Regulator shutoff closed
Open shutoff
C0
2
bottle main valve turned off
Tum on C0
2
bottle main valve
Keg empty
Replace with full keg
Coupler not engaged
Tap keg properly and engage coupler
Check ball in coupler stuck (If applicable)
Free check ball
Line/faucet dirty
Clean line/faucet
Return to
Residential Refrigeration
and Front Venting Commercial Refrigeration
Service Manual
Beverage Dispensing
Troubleshooting Guide – Beverage Dispensing
Page 3-10
