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3. Low Ice Production
Low Ice Production - Possible Cause
1. Evaporator
2. Spray Tubes and/or Spray
Guides
3. Refrigerant Charge
4. Water Supply
5. Control Board
See "II.C. Control Board Check"
6. Thermistor
See "II.F. Thermistor Check"
7. Hot Gas Valve
8. Inlet Water Valve
9. Compressor
10. Liquid Line Valve
11. Thermostatic Expansion Valve
1. Evaporator
2. Float Switch
See "II.E. Float Switch Check
and Cleaning"
3. Inlet Water Valve
4. Hot Gas Valve
5. Condenser
6. Control Board
See "II.C. Control Board Check"
7. Refrigerant Charge
8. Thermostatic Expansion Valve
9. Compressor
10. Pump Motor
11. Liquid Line Valve
Long Harvest Cycle
a) Scaled up.
a) Dirty.
b) Out of position.
a) Low.
a) Low water pressure.
b) External water filters clogged.
c) Insufficient water line size.
Minimum 1/4" Nominal ID (6 mm Nominal OD in the EU) water
tubing or equivalent.
d) Too cold.
a) Thermistor connection loose (K3).
b) Defective.
a) Loose, disconnected, or defective.
a) Erratic or closed.
a) Screen or orifice clogged.
a) Inefficient or off.
a) Erratic or open.
a) Defective.
Long Freeze Cycle
a) Scaled up, dirty.
a) Scaled up, dirty.
b) Float sticking.
c) Defective switch.
a) Leaking by.
a) Erratic or open.
a) Clogged.
a) Float switch connection loose (K5).
b) Defective.
a) Low.
a) Bulb loose.
b) Defective.
a) Inefficient or off.
a) RPM too slow.
a) Erratic or restricted.
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