Troubleshooting – Trouble/Probable Cause Chart - Cornelius A.B.S. Unit Operator's Manual

Problem
Blown fuse or cicuit breaker
Gate does not open. Agitator does
not turn.
Gate does not open or is sluggish.
Agitator turns.
Slushy ice. Water in ice bin.
Beverages do not dispense.
Beverages too sweet
Beverages not sweet enough.
Beverages not cold.
Ice does not dispense from gate
assembly.
A.B.S. will not enter auto mode.
Conveyor will not operate.
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McDonald's Corporation. All Rights Reserved.
Automated Beverage System
Troubleshooting –Trouble/Probable Cause Chart
Probable Cause
A. Short circuit in wiring
B. Defective agitator motor.
A. No power or CO .
2
A. Defective gate cylinder.
B. Excessive pressure against gate
slide.
A. Blocked drain.
B. Unit not level.
C. Poor ice quality due to water
quality or icemaker problems.
Improper use of flaked ice.
A. No 24 volt power to the valve.
B. No CO pressure.
2
A. Carbonator not working.
B. No CO2 pressure in carbonator.
C. Valve ratio requires adjusting.
A. Empty B.I.B. container.
B. Valve ratio requires adjusting.
A. No ice in hopper.
B. Drains plugged and water stand-
ing on coldplate
A. Agitator not moving.
B. Defective gate cylinder.
C. CO2 supply disconnected or
depleted.
D. Agitator motor defective or wired
incorrectly.
A. Cup jam detected, possibly from
wrong cup in tube and setting too
low.
A. Cup rest upside down.
B. Cup jam detected, possibly from
wrong cup in tube and setting too
low.
C. Conveyor assembly not properly
installed.
Corrective Action
Call for service.
Call for service
Plug in unit.
Replace CO .
2
Call for service.
Call for service.
Call for service.
Clean ice bin and flush drain
with warm water.
Call for service.
Call for service.
Call for service.
Plug in unit
Replace CO .
2
Call for service.
Call for service.
Call for service.
Call for service.
Replace
Call for service.
Fill ice bin.
Clean ice bin and flush drain
with warm water.
Call for service.
Call for service.
Call for service.
Replace CO2.
Call for service.
Clear cup jam.
Check cup size.
Reset.
Call for service.
Call for service.
Remove cup.
Refill with correct size cups.
Reset.
Reinstall conveyor.
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