Cornelius Universal C-750 Beverage Dispenser User Manual


 
25 185211000
TROUBLESHOOTING
IMPORTANT: Only qualified personnel should service internal components or electrical wiring.
WARNING: Disconnect electrical power to Unit before attempting any electrical repairs to
internal components. If repairs are to be made to the product systems, shut off CO
2
supply,
disconnect product tanks, and bleed systems pressures before proceeding.
TROUBLESHOOTING PRODUCT SYSTEM
Trouble Probable Cause Remedy
NO PRODUCT DISPENSED. A. Product tank quick
disconnects not attached
properly.
A. Attach quick disconnects
securely.
B. No product supply (product
tank empty).
B. Replenish product supply
as instructed.
C. No CO
2
supply. C. Replenish CO
2
supply
as instructed.
DISPENSED PRODUCT
COMES OUT OF
DISPENSING VALVE CLEAR
BUT FOAMS IN CUP OR
GLASS.
A. Oil film or soap scum in cups
or glass.
A. Use clean cups or glasses.
B. Ice used for finished drink is
sub-cooled.
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 dispensed drink.
DISPENSED PRODUCT
FOAMS AS IT LEAVES
DISPENSING VALVE.
A. Recovery rate of refrigeration
system exceeded (ice bank
depleted).
A. Allow ice bank to recover.
B. Product tanks primary CO
2
regulator adjusted too high.
B. Adjust product tanks primary CO
2
regulator to proper equilibrium
pressure as instructed, then
replace product supply.
C. Dispensing valve restricted
or dirty.
C. Sanitize product system as
instructed.
D. Tapered nylon washer inside
tube swivel nut connection
distorted from being
overtightened restricting
product flow.
D. Replace nylon washer. Make sure
it is properly seated.
E. Oil, water, or dirt in CO
2
supply.
E. Remove contaminated CO
2
.
Clean CO
2
system (lines,
regulators, etc.). Install clean CO
2
supply.