Cornelius IDC 2 Series Service Manual page 24

IDC 2XX Service Manual
Low water pressure
No Syrup or Watered
down drink dispensed
Symptom
Carbonator pump
does not start to fill
tank
Power cord is
connected but
carbonator pump does
not run.
Carbonator pump is
short cycling with
every drink drawn
Carbonator tank
overfills, overflows
through relief valve,
and pump shuts off
after 5 minutes.
Contact your local syrup or beverage equipment distributor for additional information and troubleshooting of
beverage system.
Publication Number: 621057403SER
Could be caused by excessively long runs
(over 40 ft.) of 3/8" water supply line.
Low water pressure
Plugged water filter.
Water booster bladder has burst
Syrup supply is empty
BIB pump not working
No CO or compressed air supply to BIB
2
pump, or not enough pressure
Carbonator Troubleshooting
Cause
Power cord for the carbonator pump motor
is not connected.
Carbonator pump motor is disabled.
Probes were dry, unit was powered up,
water was not turned on, and carbonator did
not fill.
Water service was interrupted for more than
5 minutes.
Lower liquid level probe reads "dry" while
upper probe reads "wet"
A. Poor electrical connections between
carbonator tank and main control board
B. Broken wires between carbonator tank
and main control board
C. Defective liquid level probes
Increase line size to 1/2"
Add water pressure booster pump
Change water filter
Replace water booster tank/bladder
Replace BIB
Replace BIB pump
Check CO
psig recommended. Replace CO
compressor.
Carbonator pump is powered off the main
control board inside the electrical box of the
unit. Check that the umbilical cord is
connected from the unit to the pump motor
terminal box.
Check the enable/disable switch on the
carbonator pump terminal box and enable it,
if necessary.
This results in a 5 minute timeout.
Unplugging the unit and plugging it in will
reset the unit and start the carbonator pump.
Unplugging the unit and plugging it in will
reset the unit and start the carbonator pump.
Check color of leads going to probes. Black
should go to bottom probe and white to top
probe. Reverse if incorrect.
A. Check connections at carbonator tank
and at connector J4 on the main control
board.
B. Replace wire harness
C. Replace both liquid level probes
- 22 -
pressure regulator setting. 65
2
tank or fix
2
Remedy
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