Hoshizaki KM-320MAH Service Manual page 40

Low Ice Production - Possible Cause
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
12. Headmaster (C.P.R.)
(remote models)
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.
a) Not bypassing.
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