Cornelius Impulse Non-Carbonated Post-Mix Beverage Dispenser Installation And Operation Manual page 17

COMPRESSOR DOES NOT
OPERATE.
COMPRESSOR WILL NOT STOP
AFTER SUFFICIENT ICE BANK
IS FORMED.
COMPRESSOR OPERATED
CONTINUOUSLY BUT DOES
NOT FORM SUFFICIENT ICE
BANK.
NOTE: The ice bank freezes from the bottom of the evaporator upward. A refrigerant leaks or
insufficient charge might show an ice bank at bottom and not at the top of evaporator.
NOTE: If overload protector cuts our compressor, condenser fan motor will continue to operate,
otherwise, troubleshooting condenser fan motor problems are the same as "COMPRESSOR
DOES NOT OPERATE" paragraph plus the preceding.
CONDENSER FAN MOTOR NOT
OPERATING.
AGITATOR MOTOR NOT OPER-
ATING.
© 2003, IMI Cornelius Inc.
Non-Carbonated Impulse Installation & Operations Manual
Troubleshooting Refrigeration System
• Ice bank sufficient.
• Unit power cord unplugged or
control board power switch in
"OFF" position.
• No power source (blown fuse or
tripped circuit breaker).
• Low voltage at compressor ter-
minals.
• Loose, disconnected or broken
wiring.
• Overload protector cut out; over
heated compressor. Con-
denser fan motor not operating
as required.
• Inoperative overload protector
or start relay.
• Inoperative ice bank control.
• Inoperative compressor.
• Inoperative thermistor.
• Damaged ice bank control wire.
• Inoperative control board.
• Cooling capacity is exceeded
by overdrawing.
• Unit located in excessively hot
area or air circulation through
condenser is restricted.
• Refrigeration system leak.
• Jumper cord loose or discon-
nected from motor or terminal
block. Broken wire in cord.
• Fan blade obstructed.
• Inoperative condenser fan
motor.
• Unit power cord or refrigeration
system power cord unplugged.
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• Refrigeration not called for.
• Plug in power cord or place
switch in "ON" position.
• Replace fuse or reset circuit
breaker (note: Fuse or circuit
breaker are not part of unit).
• Voltage must be at least 103
volts at the compressor termi-
nals when compressor is trying
to start.
• Tighten connections or replace
broken wiring.
• Compressor will cool enough to
restart. Do not overdraw cool-
ing capacity of unit. Refer to
"CONDENSER FAN MOTOR
NOT OPERATING" in this sec-
tion.
• Replace inoperative part as
• Replace ice bank control.
• Replace compressor.
• Replace thermistor.
• Repair ice bank control.
• Replace control board.
• Reduce amount of drinks drawn
per given time.
• Relocate unit or determine and
correct condenser coil restric-
tions.
• Repair refrigeration system.
• Tighten connections or replace
cord.
• Remove obstruction.
• Replace condenser fan motor.
• Plug in power cord.
Publication Number: 859000159INS