Specifications

Multiplex Company, Inc.
Fountain Troubleshooting Guide
21
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.
All valves dispensing
noncarbonated drinks
no water.
Problem occurs at only
one dispensing valve.
Too much Syrup, Car-
bonated Water or Water
in finished drink. Prob-
lem occurs at only one
dispensing valve.
Too much syrup in fin-
ished drink. All valves
dispensing same flavor-
too much syrup.
Too much water in fin-
ished drink. All valves
dispensing noncarbon-
ated drink too much
water.
Syrup or Carbonated
Water or Water dripping
from Nozzle.
Valves will not activate
when Selection Panel
pressed. Problem oc-
curs at two (2) or three
(3) consecutive Valves
on one (1) tower.
Water Shut-off Valve
closed or partially closed.
Syrup, carbonated water,
or noncarbonated water
flow control out of adjust-
ment or inoperative.
Malfunction of syrup sys-
tem.
Malfunction of water
Booster system.
Valve port scarred.
Armature Spring or Retain-
ing Ring broken.
Seat scarred or obstructed.
Transformer inoperative.
Dispensing towers on
and off Toggle defec-
tive.
Refer to Troubleshooting Section 9: Water
Booster System under Low or No Water Pres-
sure at Noncarbonated Beverages.
Refer to this section on No carbonated water
at only one dispensing valve in the dispens-
ing valve.
Readjust appropriate Flow Control. If Flow Con-
trol does not respond to adjustment, clean Flow
Control. Replace if necessary. Carbonated Wa-
ter Flow rates: (5 oz in 4 seconds Standard
valve, 10 oz in 4 seconds Fast Flow valve).
Refer to Troubleshooting Section 8: Syrup Sys-
tem under Drinks too sweet.
Refer to Troubleshooting Section 9: Water
Booster System under Qualifier: Pump and
motor cycles on and off excessively.
Disassemble appropriate Syrup or Water Assem-
bly. Examine valve Port for scars or nicks. Re-
place if necessary.
Disassemble appropriate Syrup or Water Assem-
bly. Examine Armature, Spring and Retainer
Ring. If damaged, replace.
Disassemble appropriate Syrup or Water Assem-
bly. Examine Seat, if scarred, replace. If for-
eign material is found in Assembly, remove,
reassemble.
Verify wire leads from Transformer have solid
connections. Switch low voltage lead from
Transformer supplying power to left and right
hand side of Tower. If Valves operate and the
other three do not, Transformer is defective.
Replace.
If after switching Leads, the three valves still
do not operate, the on and off Toggle
Switch is defective.
Section 5: Dispensing Valve and Tower (continued)
Qualifier Probable Cause Corrective Action
No water or insufficient water in finished drinks