Specifications
00218012 Revision B (KAK) 7 August, 2000
32
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.
Section 10: Water Filter System
Until repairs can be made on the Water Filter, place valve handle into filter By-pass position.
Qualifier Probable Cause Corrective Action
Carbon particles in fin-
ished drink.
Carbonator and Water
Booster Pump ex-
tremely noisy.
Peculiar taste.
Water By-pass valve is not
in the filtering position.
Defective or damaged seal
on Filter Cartridge.
Filter Cartridge installed
without Inlet Seal.
Defective carbonator
Pump.
Defective Circulating
Pump.
Restricted Water Filter.
Filter Cartridge installed
without removing Water
Inlet Seal.
Water supply to Filer re-
stricted.
Water Filter contami-
nated.
Verify By-pass valve handle is in the Filter op-
erating position. If particles continue to ap-
pear, filter must be serviced.
Verify O-rings are not twisted or nicked. Verify
Cartridge is solid and free of cracks. Replace if
necessary.
Remove Cartridge from Canister. Clean Canis-
ter Lid and Shell assembly. Replace with new
Filter Cartridge, making sure to remove Water
Inlet Seal.
Refer to Troubleshooting Section 2: Carbon-
ated Water System.
Refer to Troubleshooting Section 3: Circulat-
ing System.
Observe Filter Water Pressure Gauge. If pres-
sure drops at total of 40 psi (2.8 bar) or more
when pump cycles on, replace filter.
Removed Cartridge from Canister. Clean Canis-
ter Lid and Shell Assembly. Install new Filter
Cartridge, making sure to remove Cartridge
Inlet Seal.
Verify water supply is turned on to unit. Re-
fer to Troubleshooting Section 2: Carbonated
Water System and Section 9: Water Booster
System for additional solutions.
Place Filter valve into Filter By-pass position.
Replace Filter and reposition valve handle to
filter operating position.