TROUBLESHOOTING
3-7
Models C712/C713
Troubleshooting
3
Pump Style Freezer Troubleshooting
Table 3-3
Problem Probable Cause Remedy
1. Air/mix pump will not oper-
ate in the Auto mode when
the draw valve is opened.
a. The pump drive motor is off on reset. a. Allow the machine to cool and press the
RESET button.
b. Malfunctioning interface board. b. Replace interface board.
c. Faulty pump motor. c. Replace motor.
d. Faulty connection or draw switch. d. Check connections or replace switch.
2. Excessive pump cylinder
wear.
a. Inadequate or incorrect lubrication of pump
cylinder.
a. Lubricate properly.
b. Ball crank rotates clockwise. b. Rewire ball crank rotation to rotate
counterclockwise.
3. Not enough pressure in the
freezing cylinder.
a. Malfunctioning draw switch. a. Reposition or replace the microswitch.
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