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Trouble Probable Cause Remedy
ADJUSTMENT OF
DISPENSING VALVE SYRUP
FLOW CONTROL DOES NOT
DECREASE TO DESIRED
WATER-TO-SYRUP “RATIO”.
A. Dirty or inoperative dispensing
valve syrup flow control.
A. Disassemble and clean
dispensing valve syrup flow
control.
DISPENSED PRODUCT
CARBONATION TOO LOW.
A. Carbonator CO
2
regulator out
of adjustment for existing
water conditions or
temperature.
A. Adjust carbonator CO
2
regulator
as instructed.
B. Air in carbonated water tank. B. Vent air from carbonated water
tank by dispensing from No. 1
dispensing valve to make
carbonator pump motor cycle on.
C. Water, oil, or dirt in CO
2
supply.
C. Remove contaminated CO
2
.
Clean CO
2
system (lines,
regulators, etc.) using mild
detergent. Install clean CO
2
supply.
DISPENSED PRODUCT
COMES OUT OF
DISPENSING VALVE CLEAR
BUT FOAMS IN CUP OR
GLASS.
A. Oil film or soap scum in cups
or glasses.
A. Use clean cups or glasses.
B. Ice used for finished drink is
subcooled.
B. Do not use ice directly from
freezer. Allow ice to become “wet”
before using. (Refer to following
NOTE.)
NOTE: Crushed ice also causes dispensing problems. When
dispensed drink hits sharp edges of ice, carbonation is released from
drink.
DISPENSED PRODUCT
PRODUCES FOAM AS IT
LEAVES DISPENSING VALVE.
A. Recovery rate of refrigeration
unit exceeded, ice bank
depleted.
A. Allow ice bank to recover.
CAUTION: The drop-in refrigeration assembly condenser coil must be
cleaned every 30-days. Excessive accumulation of dust, lint, and
grease on the coil will restrict cooling air flow through the coil and
cause the refrigeration system to overheat.
B. Condenser coil plugged. B. Clean condenser coil as
instructed.
C. Carbonator CO
2
regulator
pressure adjusted too high for
existing water conditions or
temperature.
C. Adjust carbonator CO
2
regulator
as instructed.
D. Dispensing valve restricted or
dirty.
D. Sanitize syrup system as
instructed.
E. Tapered gasket inside
carbonated water line swivel
nut connector distorted
restricting carbonated water
flow.
E. Replace tapered gasket. Make
sure gasket is properly seated.