Specifications

00218012 Revision B (KAK) 7 August, 2000
8
Multiplex Company, Inc.
Fountain Troubleshooting Guide
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.
Beverages at Dispensing
Tower are below 40°F
(5°C). (continued)
Section 2: Carbonated Water System (continued)
Qualifier Probable Cause Corrective Action
Flat drinks (continued)
Back Flow Preventer.
Double Check valve (wa-
ter) stuck open.
Remove top cover from Remote Refrigeration
Unit. Use a soap solution around Back Flow Pre-
venter. If bubbles appear at Vent Hole or un-
derside of Back Flow Preventer, clean or re-
place Back Flow Preventer and corresponding
Water Check valve carbonator Tank.
With top cover from Remote Refrigeration Unit
removed and carbonator Pump Switch and Wa-
ter turned off, loosen water supply line at
inlet side of Double Check valve Assembly. If
CO
2 gas escapes from Check valve, it must be
cleaned or replaced.