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Freeze-Up - Possible Cause
8. Control Board
See "III. Controls and
Adjustments" and "II.C. Control
Board Check"
9. Bin Control
See "II.D. Bin Control Check"
10. Thermistor
See "II.F. Thermistor Check"
11. Thermostatic Expansion Valve
12. Hot Gas Valves (KMS & SRK)
13. Liquid Line Valves (KMS & SRK) a) Open.
1. Evaporator
2. Spray Tubes, Spray Guides, or
Splash Guard
3. Refrigerant Charge
4. Control Board
See "II.C. Control Board Check"
5. Inlet Water Valve
6. Float Switch
See "II.E. Float Switch Check
and Cleaning"
7. Pump Motor
8. Thermostatic Expansion Valve
9. Headmaster (C.P.R.)
10. Liquid Line Valves (KMS & SRK) a) Restricted.
a) Harvest timer (S4 dip switch 1 & 2) set too short.
b) Harvest pump timer (S4 dip switch 7) not in factory default position.
c) Defective.
a) Actuator does not move freely.
a) Loose, disconnected, or defective.
a) Defective.
a) Closed or restricted.
Freeze Cycle
a) Scaled up.
b) Damaged.
a) Dirty.
b) Out of position.
a) Low.
a) Freeze timer (S4 dip switch 9 & 10) set incorrectly.
b) Defective.
a) Leaking by.
a) Float does not move freely.
b) Defective.
a) RPM too slow.
b) Impeller damaged.
a) Bulb loose or defective.
a) Defective.
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