30
TROUBLESHOOTING
Home Menu Messages
The dispenser will always display a message on the home screen with the status of the dispenser. These may
be normal operation messages, out of messages or error messages.
Message Meaning
Action
BOARD FAILURE
Internal communications on board
Replace control board.
not
functioning.
CO2 OUT
CO2 supply depleted.
Restore CO2 supply. Dispenser
will automatically restart.
COMPRESSOR RAN TOO
The compressor ran continuously.
Run refrigeration diagnostic
LONG for
90
minutes.
sequence.
DEFROST PAUSED
Defrost cycle was paused
No action required.
because another barrel required
freezing.
DEFROST REQUIRED
Motor baseline value is at factory
Run defrost cycle.
default. Only occurs on new
software
installation.
DEFROSTING
Barrel is defrosting.
Wait for the defrost cycle to
complete.
FILL ERROR
A barrel is not filling with product
Run fill circuit diagnostic
correctly.
sequence.
FREEZING
Unit is in READY mode and is
No action required.
freezing.
HIGH BARREL PRESSURE
The barrel pressure exceeds
Dispense a drink to reduce
55
PSI.
the
barrel
pressure.
HIGH REGULATED CO2
Regulated CO2 above 70 PSIG.
Adjust regulator to 60 PSIG.
PRESSURE
HIGH VOLTAGE DETECTED
Line voltage above 254 volts.
Buck transformer is required.
HOT PRODUCT DETECTED
Refrigeration return temperature.
Check temperature sensor. Run
above 90 degrees for 200 seconds.
refrigeration diagnostic.
LOW BRIX
Multiple low beater errors.
Check brix at the sample valve.
Empty barrel and refill.
LOW REGULATED CO2
Regulated CO2 below 50 PSIG.
Adjust regulator to 60 PSIG.
PRESSURE
LOW VOLTAGE DETECTED
Line voltage below 200 volts.
Boost transformer is required.
MOTOR FAILURE
A beater motor is stalled.
Run the beater circuit diagnostic
sequence.
OFF
Barrel is turned off.
Select the ON option in the pop up
menu.
READY
Barrel is ready for serving.
Enjoy a frozen beverage!
REFRIGERATION SENSOR
Low or high side pressure
Verify harness is plugged into
FAILURE
transducer reading out of range.
transducer. Replace transducer
if
necessary.
REFRIGERATION SYSTEM
Operating pressures incorrect.
Run refrigeration system
MALFUNCTION
diagnostic.
SLEEPING
Dispenser is in sleep mode.
Wait until the normal wake time or
restart each barrel by turning ON.
SYRUP OUT
Syrup supply depleted.
Replace syrup BIB. Barrel will
automatically
restart.
Summary of Contents for 77 Series
Page 1: ...772 773 774 24 2396 0001 Rev C 07 30 2013...
Page 38: ...38 772 Mounting Dimensions 773 Mounting Dimensions...
Page 40: ...40 WIRING SCHEMATIC DIAGRAM...
Page 41: ...41...
