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IDC Installation Manual
© 2005-2008, IMI Cornelius Inc. - 11 - Publication Number: 621057403INS
TROUBLESHOOTING
IMPORTANT: Only qualified personnel should service internal components or electrical wiring.
WARNING: If repairs are to be made to a product system, remove quick disconnects from the
applicable product tank, then relieve the system pressure before proceeding. If repairs are to be
made to the CO
2
system, stop dispensing, shut off the CO
2
supply, then relieve the system
pressure before proceeding. If repairs are to be made to the refrigeration system, make sure
electrical power is disconnected from the unit.
Should your unit fail to operate properly, check that there is power to the unit and that the hopper
contains ice. If the unit does not dispense, check the following chart under the appropriate symptoms to
aid in locating the defect.
Dispenser Troubleshooting
Symptom Cause Remedy
Blown fuse or circuit
breaker
Short circuit in electrical wiring Repair Wiring
Inoperable agitator motor (shorted
motor)
Replace gear motor
Agitator does not
turn
No power Restore power or plug in unit
Improperly installed upper ice chute
assembly (Reed switch is not being
activated)
Check the upper ice chute assembly for
proper assembly and operation
Inoperable reed switch Replace reed switch
Electrical board driver circuit is
defective
Replace main control board
Gear motor has open circuit Replace gear motor
Reed switch is not activated Improper
assembly of upper ice chute to lower
chute.
Check to make sure tongue of upper
chute engages into the back of the
lower chute, ensure upper chute
engages outside the lower chute, and
snap front of chute into place.
Broken wire in the 2-wire harness
leading to the reed switch
Repair of replace 2-wire harness
Bad connection at main control board,
J3, pins 2 &3
Repair connection or replace 2-wire
harness
Ice dispenses
continuously
Ice gate mechanism is stuck in open
position
Inspect gasket for proper position.
Examine gate plate to see if it slides
freely behind the lower ice chute.
Stuck or bent ice lever (does not allow
gate to close and open reed switch)
Examine ice dispense lever to see if it is
bent.
Slushy ice or water
in hopper
Blocked drains in cold plate Remove access covers in cold plate
cover & inspect/clean drains