Carbonator Water Pump Will Not Shut Off; Erratic Carbonator Water Pump Cycling; Troubleshooting Dispensed Product; Brix (Water-To-Syrup) ''Ratio'' Too Low - Cornelius R-404A REFRIGERANT Service Manual

Trouble
CARBONATOR WATER PUMP
WILL NOT SHUT OFF.
ERRATIC CARBONATOR
WATER PUMP CYCLING.

TROUBLESHOOTING DISPENSED PRODUCT

BRIX (WATER-TO-SYRUP)
''RATIO'' TOO LOW.
BRIX (WATER-TO-SYRUP)
''RATIO'' TOO HIGH.
IMPROPER PRODUCT
DISPENSED.
PRODUCT WILL NOT
DISPENSE OUT OF
DISPENSING VALVE, IN ONLY
SMALL AMOUNTS, OR ONLY
LIQUID.
FREEZE CYLINDER DOES
NOT REFILL AT ALL TIMES
WHEN DISPENSING.
Probable Cause
A. Binding, damaged, or dirty
carbonated water tank balance
mechanism.
A. Insufficient water supply
pressure. ''H O OUT'' fault
2
message goes on and off
intermittently and water pump
cycles on and off during
carbonator tank fill cycle.
B. Water filter restricted.
A. Quick disconnect not secure
on soft drink tank.
B. Syrup flow regulator set too
low.
C. Water flow regulator set too
high.
D. Syrup flow regulators stuck.
E. Restriction in syrup line.
F. Syrup Baume not in proper
range.
A. Syrup flow regulators set too
high.
B. Water flow regulator set too
low.
C. Water flow regulator stuck.
D. Syrup Baume not in proper
range.
E. Restricted water filter.
A. Secondary CO regulators not
2
properly adjusted.
B. Dirty CO supply. CO
2
be clean and free of water, oil,
and dirt. Water will not absorb
dirty CO gas in same way as
2
clean gas. This can also cause
off-taste problems.
A. Dispensing valve has ice
particles in it.
B. Cylinder freeze-up.
A. ''AUTO BLEND 1'' or ''AUTO
BLEND 2'' switch not pressed.
B. Carbonator water pump not
operating.
67
A. Clean, repair, or replace balance
mechanism.
A. Increase water inlet supply line
pressure. Water inlet supply line
must have large enough I.D.
B. Replace water filter.
A. Secure tank quick disconnect.
B. Adjust BRIX of dispensed product
as instructed.
C. Water flow regulator must be set
at 1.3 0.05 oz/sec.
D. Clean syrup flow regulators.
E. Sanitize Unit as instructed.
F. Change syrup supply as
instructed.
A. Adjust BRIX of dispensed product
as instructed.
B. Water flow regulator must be set
for 1.3
C. Clean regulator.
D. Change syrup supply as
instructed.
E. Replace water filter.
A. Adjust secondary CO
as instructed.
must B. Replace CO
2
instructed.
A. Open and close dispensing valve
repeatedly. Defrost freeze cylinder
as instructed. If necessary, check
and adjust BRIX as instructed.
Adjust viscosity of dispensed
product as instructed.
B. Refer to CYLINDER FREEZE-UP.
A. Press ''AUTO BLEND 1'' or
''AUTO BLEND 2'' switch.
B. Check carbonator and restore to
operation.
Remedy
0.05 oz/sec.
regulators
2
supply as
2
312028000