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.
Summary of Contents for C712
Page 9: ...INTRODUCTION 1 5 Models C712 C713 Introduction 1 Figure 1 1 ...
Page 11: ...INTRODUCTION 1 7 Models C712 C713 Introduction 1 Figure 1 2 ...
Page 22: ...1 18 INTRODUCTION Models C712 C713 Introduction 1 Notes ...
Page 42: ...2 20 CONTROLS Models C712 C713 Controls 2 Control Overview UVC4 Figure 2 58 ...
Page 48: ...2 26 CONTROLS Models C712 C713 Controls 2 Refrigeration Schematic Figure 2 62 ...
Page 50: ...2 28 CONTROLS Models C712 C713 Controls 2 Notes ...
Page 60: ...3 10 TROUBLESHOOTING Models C712 C713 Troubleshooting 3 Notes ...
Page 120: ...6 10 WIRING DIAGRAMS Models C712 C713 Wiring Diagrams 6 Notes ...