Hoshizaki KM-81BAJ Service Manual page 31

Low Ice Production - Possible Cause
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
(KM-161 B_J Models)
9. Compressor
10. Pump Motor
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.
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