Specifications
Part Number STH12 9/10 109
Carbonator pump and motor will not cycle OFF (possibly noisy pump)
(continued)
Carbonated water
at dispensing valve.
Liquid Level
Control
defective.
Shut OFF main power supply to unit
and push Toggle Switch for
Carbonator and Circulator to the OFF
position. Remove Electrical Access
Panel from Refrigeration Unit and
locate Liquid Level Control. Strip a
1-1/2" (3.8 cm) piece of solid strand
wire of insulation to use as a jumper.
Turn main power supply unit ON to
unit. With a pair of insulated pliers,
jump across Terminals marked “G, H
and L” on Liquid Level Control.
Simultaneously, while pushing
corresponding Toggle Switch to
“carbonator” to the ON position. If
carbonator pump and motor continue
to operate after Liquid Level Control
Jumper Wire is in place, Liquid Level
Control is defective, replace.
Electrode
defective.
Examine wire leads to ensure no
breaks in connections. Remove and
clean Electrode with find sand paper
and reinstall.
Note: Reversing Electrode Wire
Leads on either electrode or Liquid
Level Control will cause erratic
operation of carbonator Motor. Refer
to Wiring Diagram.
Peculiar taste in
carbonated water
only.
Water filter
contaminated.
Refer to Troubleshooting “Water Filter
System” under Peculiar taste.
Back Flow
Preventer Valve
leaking or
Double Check
Valve leaking.
Push Toggle Switch for carbonator to
the OFF position. Turn Water Shut-off
Valve to carbonator to the OFF
position. Remove tope cover from
Remote Refrigeration Unit. Carefully
disconnect water line on the outlet
side of the carbonator pump. If water
or CO
2
is observed continually
escaping from line, Back Flow
Preventer/Double Check Valve is
leaking. Disassemble, clean, and
replace if necessary.
Caution: Carbonated water must
never be allowed to flow through
materials other than plastic or
stainless steel. (Copper, zinc or
galvanized material is
non-acceptable.)
Carbonated
water flowing
through
materials other
than plastic or
stainless.
Trace carbonated water flow through
system. Ensure no foreign materials
are present. Replace non-acceptable
material if found.
Qualifier
Probable
Cause
Corrective Action