Specifications

122 Part Number STH12 9/10
No carbonated water at any of the dispensing valves
CO
2
gas is present
at dispensing
valves but no
Carbonated Water.
Malfunctioning
of Carbonating
System.
If CO
2
gas is present at the
Dispensing Valves and there is no
water, the problem is in the
Carbonated Water System. Refer to
Troubleshooting “Carbonated Water
System”.
No CO
2
Gas or
water present at
dispensing valve.
In a “freeze up” situation, push
Refrigeration and Agitator Toggle
Switches to the OFF position. Drain
water from Bath. Pour lukewarm
(never hot) water over the Product
Coils until thawed. Ice down Water
Bath using ice from Ice Maker until
further repairs can be made.
Defective
Agitator.
Examine the Agitator Motor Assembly.
Ensure Propeller is operating and
secured to Agitator and that the
Agitator Toggle Switch is in the ON
position. If Motor is inoperative,
replace.
Defective Ice
Bank Control.
Remove Electrical Access Panel. Use
a voltmeter across the Ice Bank
Control. Verify Control is in the “open”
position. If Control is stuck in the
“closed” position, the unit will “freeze
up”. Replace Control if necessary. If
unit builds and Ice Bank to the point of
extending into stainless steel coils, the
Ice Bank Control must be replaced.
On units equipped
with the “Red”
Refrigeration
Warning Light.
Defective
Contactor.
Use a voltmeter across Contactor
Coil. If no current is present across
Coil, but Contactor remains “closed”,
Contactor is defective. Replace
defective Contactor.
Defective
Primary Ice
Bank Control.
When the Refrigeration Warning Light
illuminates, the Primary Ice Bank
Control is defective and should be
replaced. The Secondary Control
operates the Compressor until the
Primary Control is replaced.
Refrigeration
Warning Light
cycles ON and OFF
with Compressor.
Note: When the Refrigeration
Compressor cycles ON, Warning Light
will turn OFF. When the Compressor
cycles OFF the light will illuminate.
Qualifier
Probable
Cause
Corrective Action