77X INSTALLATION & OPERATION MANUAL
771/772/773/774 MODELS
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10.2 Fault Codes
The 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 indicates the barrel number with the error. If the third digit is a 0 (zero) then the error is a
common error to all barrels or it is a dispenser error.
Error #011, 012, 013, 014: Syrup Out
The syrup pressure is less than 45 PSIG (310 kPag). For multi-flavor dispensers, this is the base syrup.
Error #020: CO Out
The CO pressure is less than 45 PSIG (310 kPag).
Error #030: Water Out
The water pressure is less than 45 PSIG (310 kPag).
Error #041, 042, 043, 044: Tank PSI = 0
The tank pressure did not rise from 0 PSIG (0 kPag) when filling.
1 Replace the empty BIB.
2 Ensure the gas line is connected to the BIB pump.
3 Ensure the BIB pump is operating correctly.
4 Ensure the gas tank is not empty.
5 Ensure the syrup shuto valve at the solution module is turned on.
6 Ensure any syrup shuto valves at the back of the dispenser are not turned o.
7
Ensure the syrup supply pressure at the dispenser is reading 70 PSIG (483 kPag). Adjust the regulator
if needed.
8 Ensure the syrup pressure transducer is connected and working properly.
1 Replace or refill the CO tank.
2 Ensure the CO shuto valve at the back of the dispenser is not turned o.
3 Ensure the CO pressure transducer is connected and working properly.
4
Ensure the CO supply pressure at the dispenser is reading 70 PSIG (483 kPag). Adjust the regulator
if needed.
1
Ensure the water line to the dispenser is on and that the water shutoff at the solution module is
turned on.
2 Ensure the gas supply line is connected to the water pump and that the pump is not stalled.
3
Ensure the gas supply pressure at the dispenser is reading 70 PSIG (483 kPag). Adjust the regulator
if needed.
4 Ensure the water pressure transducer is connected and working properly.
1 Run the fill diagnostic sequence to determine the reason for the failure.
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