Specifications

Multiplex Company, Inc.
Fountain Troubleshooting Guide
13
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.
Section 2: Carbonated Water System (continued)
Qualifier Probable Cause Corrective Action
Carbon particles in fur-
nished drink.
Carbonator Motor
cycles on and off
in short cycles.
Malfunction of Water Fil-
ter.
Defective Carbonator
Pump.
Defective Circulating
Pump.
Electrode Assembly incor-
rectly wired or defective.
Refer to Troubleshooting Section 10: Water
Filter System under Carbon particles in fin-
ished drinks.
Remove top cover from Refrigeration Unit.
Loosen Coupling Clamp with a flat-blade screw-
driver and disengage pump from motor. Turn
the Coupling Key by hand, in back of pump. If
pump shaft does not turn freely and/or Carbon
is found in pump, carbon veins are defective.
Replace pump.
Refer to Troubleshooting Section 3: Circulat-
ing System under Carbon particles in finished
drinks.
Examine wiring diagram found on Refrigeration
Unit. Verify Electrode wiring leads are on proper
terminals of both Electrode and Liquid Level
Control. If problem still occurs, replace elec-
trode.
Carbonator pump and motor will not cycle off (possibly noisy pump) (continued)