lancer TOUCHPOINT SERIES 4800T, Operation Manual

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TROUBLE CAUSE REMEDY
4.1 Touch screen responsive but no
product dispensed when POUR icon
is touched from flavor selection/pour
screen:
No clicking can be heard from solenoid
activation
A. Unit is in “NO DISPENSE” mode
B. Valve harnesses not connected
properly
C. Carbonator pump over pressurized not
allowing solenoid to open
D. Malfunctioning solenoid valve
E. Malfunctioning valve board(s)
A. Check key switch and turn to Normal
RUN position
B. Run Solenoid Test to ensure proper
harness connection. Fix highlighted
valves if open circuit detected
C. Relieve some pressure from the CO2
relief valve and try actuating valve
D. Replace valve
E. Replace valve board(s)
4.2 Touch screen responsive but no
product dispensed when POUR icon
is touched from flavor selection/pour
screen:
Clicking can be heard from solenoid
activation
A. Kinked line from valve to nozzle
blocking flow
A. Find kinked line and correct
4.3 Push chute and nothing happens A. Dispenser not connected to power
source
B. Wiring harness not plugged in
C. Ice board defective
D. Malfunctioning power supply
A. Connect dispenser to power source
B. Plug in wiring harness
C. Replace ice board
D. Check voltage to power supply. Check
fuses.
4.4 Push chute. Ice door opens but motor
does not run
A. Wiring harness not plugged in
B. Ice board defective
C. Motor defective
A. Plug in wiring harness
B. Replace ice board
C. Replace motor
4.5 Push chute. Motor runs but ice door
does not open.
A. Solenoid not connected to ice board
B. Solenoid defective
C. Ice board defective
A. Connect solenoid to ice board
B. Replace solenoid
C. Ice board defective
4.6 Push chute, ice door opens, motor
runs, but no ice dispenses, or ice is of
poor quality
A. Dispenser is out of ice
B. Agitator pin is missing or damaged
C. Poor ice quality
A. Fill dispenser with ice
B. Replace agitator pin
C. Service ice machine
4.7 Water in ice bin A. Cold plate drain is obstructed A. Remove splash plate to obtain access
to drain tubes and clear accordingly
4.8 Water leakage around nozzle A. Damaged or improperly installed o-ring
on nozzle
A. Remove outer nozzle and check
o-rings. If damaged, replace. If improperly
installed, adjust.
4.9 Miscellaneous leakage A. Gasket not sealing or gap between
parts
B. Damaged or improperly installed
o-rings
A. Tighten appropriate retaining screws
B. Replace or adjust appropriate o-rings
4.10 Noisy/cavitating carbonator pump A. Insufficient incoming water supply
pressure
A. Verify incoming supply water pressure
to carbonator pump is a min of 25 PSI,
max of 50 PSI
4. MECHANICAL TROUBLESHOOTING