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TEMPERATURE SENSOR Temperature sensor reading out Check sensor and replace if
FAILURE of range. necessary.
WAITING TO DEFROST Barrel is waiting to begin the No action required.
defrost cycle and must wait until
another barrel freezes or
completes a defrost.
WAITING TO FREEZE Barrel is ready to freeze but is Wait until other barrels have
waiting on other barrels to completed the defrost cycle.
complete defrost.
WATER OUT Water supply turned off. Restore water supply. Dispenser
will automatically restart.
Fault Codes
The 77X dispenser records all errors, or faults, that occur. A history of these faults can be found in the “Fault
Code History” menu located in the service menu. Each error has a three digit number associated with it. The
first two digits are the error number and the third digit is the barrel number with the error. If the third digit is a
0 then the error is a common error.
Error #011, 012, 013, 014: Syrup Out
The syrup pressure is less than 45 PSI.
1 Replace the empty BIB.
2 Ensure the CO2 line is connected to the BIB pump.
3 Ensure the BIB pump is operating correctly.
4 Ensure the CO2 tank is not empty.
5 Ensure the syrup shutoff valve at the solution module is turned on.
6 Ensure any syrup shutoff valves at the back of the unit aren’t turned off.
7 Ensure the syrup supply pressure at the dispenser is reading 70 PSI. Adjust the regulator if
needed.
8 Ensure the syrup pressure transducer is connected and working properly.
Error #020: CO2 Out
The CO2 pressure is less than 45 PSI.
1 Replace or refill the CO2 tank.
2 Ensure a CO2 shutoff valve at the back of the unit isn’t turned off.
3 Ensure the CO2 pressure transducer is connected and working properly.
4 Ensure the CO2 supply pressure at the dispenser is reading 70 PSI. Adjust the regulator if
needed.
Error #030: Water Out
The water pressure is less than 45 PSI.
1 Ensure the water line to the unit is on and that the water shutoff at the solution module is
turned on.
2 Ensure the CO2 supply line is connected to the water pump and that the pump is not stalled.
3 Ensure the CO2 supply pressure at the dispenser is reading 70 PSI. Adjust the regulator if
needed.
4 Ensure the water pressure transducer is connected and working properly.
Error #041, 042, 043, 044: Tank PSI = 0
The tank pressure did not rise from 0 PSI when filling.
1 Run the fill diagnostic sequence to determine the reason for the failure.
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