Specifications

Multiplex Company, Inc.
Fountain Troubleshooting Guide
29
00218012 Revision B (KAK) 7 August, 2000
Troubleshooting Guide
WARNING: Inspection, testing, and repair of elec-
trical equipment should be performed only by
qualified service personnel. The unit should be
unplugged when servicing, except when electri-
cal tests are required.
DANGER: Use extreme care during electrical cir-
cuit tests. Live circuits may be exposed.
No syrup of insufficient
Syrup in finished drink.
(continued)
Drinks too sweet.
Peculiar taste.
Section 8: Syrup System (continued)
Qualifier Probable Cause Corrective Action
Gas leak at Syrup System.
Syrup Filter restricted.
Frozen Syrup Coil.
Dispensing valve inopera-
tive.
Low Pressure Regulator in-
operative.
Medium Pressure Regulator
inoperative.
Dispensing valve inopera-
tive.
Contaminated Syrup.
Use a soap solution around all connections,
starting from the Low and Medium Pressure
Regulators to the base of the Syrup Tank Plugs,
observe Quick Disconnects, Tank Cap and Gas-
ket, Tank Plugs and Syrup Tank O-rings for leaks.
Repair and replace if necessary.
Disengage Syrup Quick Disconnect from the ap-
propriate Syrup Tank. Relieve pressure at the
corresponding Dispensing valve. Remove the
Screw clamp and the Filter Screen. Wash the
Filter Screen with warm water and reassemble.
Refer to Troubleshooting Section 7: Refrigera-
tion System under No carbonated water at
any of the dispensing valves (Freeze up).
Refer to Troubleshooting Section 5: Dispens-
ing Valve and Tower under No syrup or insuf-
ficient syrup.
Verify Low Pressure Regulator set at 15psi
(1.1kg/cm
2
). Adjust Regulator if necessary. If
Regulator will not respond, repair or replace
Regulator.
Verify Medium Pressure Regulator set at 60 psi
(4.2kg/cm
2
). Adjust Regulator if necessary. If
Regulator will not respond, repair or replace
Regulator.
Refer to Troubleshooting Section 5: Dispens-
ing Valve and Tower under Too much syrup in
finished drink.
Replace tank and sanitize the system.