Specifications

Part Number STH12 9/10 107
No carbonated water at any of the dispensing valves (continued)
CO
2
gas is present
at Dispensing
Valves but no
water. (continued)
Carbonator
Pump worn
(Brass pump).
Dispense Carbonated Water while
listening for carbonator pump and
motor to cycle ON at Refrigeration
Unit. Pumps should operate between
6 to 12 seconds before cycling OFF. If
operating time exceeds 30 seconds,
carbonator Pumps is worn, replace
Pump.
Motor defective. If Motor will not operate, verify voltage
across Motor Terminals with voltmeter.
If voltage reads 110 to 120 VAC, the
Motor or Pump is defective. Loosen
the Coupling Clamp with a flat-blade
screwdriver and disengage Pump
from Motor. If Motor still will not
operate with Pump disengaged, Motor
is defective. Replace.
Carbonator
Pump frozen.
Loosen the Coupling Clamp with a
flat-blade screwdriver and disengage
Pump from Motor. By hand, turn the
Coupling Key in back of Pump. If
pump shaft will not spin freely, Pump
is defective and must be replaced.
Qualifier
Probable
Cause
Corrective Action