(Section 14.2 continued from previous page.)
B. Solution solenoid energized. B. Test solenoid relay on relay board
for 24VAC output and 5VDC relay
coil input. Replace Relay Board, if
necessary.
C. Solution solenoid left “ON” C. In “Manual On/Off”, turn “solenoid
in “Manual”. off.
14.3 Out of Product A. Unit receiving no water, syrup A. Assure water is on and CO2 supply
displayed (Out of and/or CO2. is not empty or turned off. Also
Water, Syrup or CO2). check to see that syrup container
is not empty and is hooked up.
B. Restriction in lines. B. Assure all lines are free of crimps
or restrictions.
C. Regulator pressures (unit C. Check pressure readouts (H2O,
and syrup pumps) too low. CO2 and Syrups) for 70-72 psi.
Adjust regulators, if necessary.
D. Syrup or Water Pump failure. D. Check all pumps and replace, if
necessary.
E. CO2 or water can’t keep up E. Reroute water or CO2 lines to
with unit demand. maximize supply pressure. Install
Water Booster if necessary.
F. Excessive pressure drops F. Observe “Syrup Press” readouts
in syrup lines. as chamber fills to verify. Increase
line diameter or relocate syrup
source closer to unit. Syrup
pressures may only be raised (by
increasing pump CO2 pressure)
if separate regulators are installed
for unit and syrup pumps. Never
exceed pump manufacturer’s
recommended maximum CO2 inlet
pressure. (see Section 12.4).
H. Transducer problem (H2O, H. Check pressure readouts (H2O,
CO2 or Syrup). CO2 and Syrup) for 70-72 psi. If
not within 2psi, adjust regulator
and/or check transducer. Replace
transducer, if necessary.
I. Lower Board problem I. Test lower board for +5, +15, and
–15 outputs using test points (see
Figure 14.3).
J. Upper Board Problem J. Circuits within Main Control (Upper)
Board electronics read transducer
pressures. Replace Main Control
(Upper) Board, if necessary
14.4 Product does not flow A. Faulty CO2 check valve. A. Inspect CO2 check valve. Clean or
freely or does not flow replace.
at all from dispensing B. CO2 solenoid valve won’t B. In “Manual On/Off, energize
valve. open. solenoid and check for 24VAC at
coil. Clean or replace solenoid, if
necessary.
C. Solution solenoid valve C. In “Manual On/Off”, energize
won’t open. solenoid and check for 24VAC at
coil. Clean or replace solenoid, if
necessary.
D. Ice particles in dispensing D. Run defrost cycle. If necessary,
valve. open and close dispensing valve
several times or run warm water
over valve.
(Section 14.4 continued on next page.)
22
TROUBLE CAUSE REMEDY
To Next Page
Loading...
