Troubleshooting - Cornelius ABS 2.0 Service Manual

!
WARNING:
O
nly trained and certified electrical, plumbing and refrigeration technicians should service this unit.
ALL WIRING AND PLUMBING MUST CONFORM TO NATIONAL AND LOCAL CODES. FAIL-
URE TO COMPLY COULD RESULT IN SERIOUS INJURY, DEATH OR EQUIPMENT DAMAGE
!
WARNING:
I
f repairs are to be made to a product system, remove quick disconnects from the applicable product tank, then
relieve the system pressure before proceeding.
CO
off the 2 supply, then relieve the system pressure before proceeding.
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.
Message
Blown fuse or circuit
breaker
Agitator does not turn
Ice dispenses continu-
ously
Slushy ice or water in hop-
per
Beverage does not dis-
pense
Beverage is too sweet
© 2019, Cornelius Inc.

TROUBLESHOOTING

I
f repairs are to be made to the
Table 25.
Explanation
A. Short circuit in electrical wiring.
B. Inoperable agitator motor (shorted
motor).
A. No power.
B. Improperly installed ice chute assembly
(Reed switch is not being activated).
C. Inoperable reed switch.
D. Electrical board driver circuit is defec-
tive.
E. Gear motor has open circuit.
F. Reed switch is not activated, improper
assembly of upper ice chute to lower
chute.
G. Broken wire in the 2-wire harness lead-
ing to the reed switch.
H. Bad connection at main control board.
I. Door not closed or not making switch
connections to lid.
A. Ice gate mechanism is stuck in open
position
B. Stuck or bent ice lever (does not allow
gate to close and open reed switch).
A. Blocked drains in cold plate
B. Poor ice quality due to water quality or
ice maker problems
A. No 30 VDC to valves.
B. No touch response.
A. Valve BRIX requires adjustment.
CO
I
f repairs are to be made to the refrigeration
A. Repair wiring.
B. Replace gear motor.
A. Restore power or plug in unit.
B. Check the upper ice chute assembly for
proper assembly and operation.
C. Replace reed switch.
D. Replace main control board.
E. Replace gear motor.
F. 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.
G. Repair of replace 2-wire harness.
H. Repair connection or replace 2-wire
harness.
I. Check distance from screen to lid.
A. Inspect gasket for proper position.
Examine gate plate to see if it slides
freely behind the lower ice chute.
B. Examine ice dispense lever to see if it is
bent.
A. Remove access covers in cold plate
cover & inspect/clean drains.
B. Correct water quality or repair ice
maker.
A. Restore 30 VDC to valves.
B. Re-start the unit.
A. Adjust valve BRIX.
- 51 -
ABS 2.0 Service Manual
2 system, stop dispensing, shut
Correction
Publication Number: 621058590SER
.