lancer TOUCHPOINT SERIES 4800T, Operation Manual

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TROUBLE CAUSE REMEDY
4.20 Circuit breaker tripping A. Valve wire harness shorted to itself or
faucet plate
B. Controller PCB is bad
C. Secondary wire harness has a short
D. Power supply is bad
A. Detect short by disconnecting valve
harnesses from switch panel (4 25-pin
harnesses and 4 9-pin harnesses).
Restore power. If breaker does not trip,
find and replace shorted harness. If
breaker trips, re-install the 8 harnesses,
and proceed to step B
B. Detect by disconnecting the white
5-pin harness from the controller PCB.
Restore power. If breaker does not trip,
replace controller PCB. If breaker trips,
re-install the white 5-in harness and
proceed to step C
C. Locate short from a motor or solenoid
harness and replace
D. Detect short by disconnecting all
harnesses connected to power supply.
Restore power. If breaker still trips,
replace power supply
4.21 BIB pump does not operate when
dispensing valve is opened
A. Out of CO2, CO2 not turned on, or low
CO2 pressure
B. Out of syrup
C. BIB connector not tight
D. Kinks in syrup or gas lines
A. Replace CO2 supply, turn on CO2
supply, or adjust CO2 pressure to 70-80
PSI
B. Replace syrup supply
C. Fasten connector tightly
D. Straighten or replace lines
4.22 BIB pump operating, but no flow A. Leak in syrup inlet or outlet line
B. Defective BIB pump
A. Replace line
B. Replace BIB pump
4.23 BIB pump continues to operate
when bag is empty
A. Leak in suction line
B. Leaking o-ring on pump inlet fitting
C. Defective syrup BIB pump
A. Replace line
B. Replace o-ring
C. Replace defective pump
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