18
Carbonator Pump Modifications
1.
Turn off power to the dispenser.
2.
Remove drip tray and splash plate.
3.
Turn off water.
4. Turn the CO
2
off, activate the relief valve.
The electric, positive displacement rotary vane pump with 170 PSI bypass should only be serviced by trained person-
nel. To achieve optimum carbonation, use filtered water with the pump.
NOTE
5.
Once the pressure has been released, untighten the inlet/
outlet nuts on the pump.
6.
Unscrew the mounting bracket.
7. Part should easily slide out for replacement or maintenance.
TROUBLESHOOTING
Valve/Flavor Shot Troubleshooting
TROUBLE
CAUSE
REMEDY
No product when switch is
activated. (Switch panel does
not light up when activated.)
1.
Keyswitch is off, or keyswitch harness is
disconnected.
2.
9-in valve harness is disconnected.
3.
Defective switch assembly.
4.
No power to unit
1.
Turn keyswitch on and/or reconnect
keyswitch harness.
2.
Turn off power, reconnect 9-pin harness, and
restore power.
3.
Replace switch assembly.
4.
Check internal breaker and incoming power
No product when switch is
activated. (Switch panel does
light up when activated
1.
25-pin valve harness is disconnected.
2.
Defective switch assembly
1.
Turn off power, reconnect 25-pin harness,
and restore power.
2.
Replace switch assembly.
Water only dispensed, no
syrup. Or syrup only
dispensed, no water.
1.
Syrup BIB empty.
2.
Water or syrup shutoff on mounting block not
fully open.
3.
Improper or inadequate water or syrup
supply.
4. CO
2
pressure to syrup pump too low.
5. Stalled or inoperative BIB pump.
6. Kinked line.
7. CO
2
regulator malfunction.
1.
Replace syrup BIB as required.
2.
Open shutoff completely.
3.
Remove valve from mounting block & open
shutoffs slightly. Check water & syrup sup
-
ply. If no supply, check unit for other prob-
lems. Ensure BIB connection is engaged.
4. Check the CO
2
pressure to the pump to
ensure it is between 70-80 PSI (0.483-0.552
MPA).
5.
Check CO
2
pressure and/or replace pump.
6.
Remove kink or replace line.
7.
Repair or replace CO
2
regulator as required.
Syrup only dispensed. No
water, but CO
2
gas dispensed
with syrup.
1.
Improper water flow to dispenser.
2. Carbonator pump motor has timed out.
3.
Liquid level probe not connected properly to
PCB.
4.
Defective PCB assembly.
5. Defective liquid level probe.
6.
Weak or defective carbonator pump.
1.
Check for water flow to dispenser.
2.
Reset by turning the unit OFF, then ON by
using the circuit breaker on the power supply
or momentarily unplugging unit.
3.
Check connections of liquid level probe to
PCB assembly.
4.
Replace PCB assembly.
5. Replace liquid level probe.
6.
Replace pump.
