Non-Carbonated Impulse Installation & Operations Manual
© 2003, IMI Cornelius Inc.
- 13 -
Publication Number: 859000159INS
Troubleshooting Refrigeration System
COMPRESSOR DOES NOT
OPERATE.
• Ice bank sufficient.
• Refrigeration not called for.
• Unit power cord unplugged or
control board power switch in
“OFF” position.
• Plug in power cord or place
switch in “ON” position.
• No power source (blown fuse or
tripped circuit breaker).
• Replace fuse or reset circuit
breaker (note: Fuse or circuit
breaker are not part of unit).
• Low voltage at compressor ter-
minals.
• Voltage must be at least 103
volts at the compressor termi-
nals when compressor is trying
to start.
• Loose, disconnected or broken
wiring.
• Tighten connections or replace
broken wiring.
• Overload protector cut out; over
heated compressor. Con-
denser fan motor not operating
as required.
• 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.
• Inoperative overload protector
or start relay.
• Replace inoperative part as
• Inoperative ice bank control.
• Replace ice bank control.
• Inoperative compressor.
• Replace compressor.
COMPRESSOR WILL NOT STOP
AFTER SUFFICIENT ICE BANK
IS FORMED.
• Inoperative thermistor.
• Replace thermistor.
• Damaged ice bank control wire.
• Repair ice bank control.
• Inoperative control board.
• Replace control board.
COMPRESSOR OPERATED
CONTINUOUSLY BUT DOES
NOT FORM SUFFICIENT ICE
BANK.
• Cooling capacity is exceeded
by overdrawing.
• Reduce amount of drinks drawn
per given time.
• Unit located in excessively hot
area or air circulation through
condenser is restricted.
• Relocate unit or determine and
correct condenser coil restric-
tions.
• Refrigeration system leak.
• Repair refrigeration system.
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.
• Jumper cord loose or discon-
nected from motor or terminal
block. Broken wire in cord.
• Tighten connections or replace
cord.
• Fan blade obstructed.
• Remove
obstruction.
• Inoperative condenser fan
motor.
• Replace condenser fan motor.
AGITATOR MOTOR NOT OPER-
ATING.
• Unit power cord or refrigeration
system power cord unplugged.
• Plug in power cord.
Содержание Impulse Non-Carbonated Post-Mi
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