Hoshizaki AM-50BAJ Service Manual page 18

3. Low Ice Production
Low Ice Production - Possible Cause
1. Evaporator
2. Ice Chute
3. Refrigerant Charge
4. Control Board
See "III.B. Settings and
Adjustments."
5. Thermistor
See "II.E. Thermistor Check"
6. Hot Gas Valve
7. Inlet Water Valve
8. Compressor
1. Evaporator
2. Inlet Water Valve
3. Hot Gas Valve
4. Condenser
5. Thermistor
See "II.E. Thermistor Check"
6. Control Board
See "III.B. Settings and
Adjustments."
7. Refrigerant Charge
8. Compressor
9. Pump Motor
Long Harvest Cycle
a) Scaled up, dirty.
a) Out of position.
b) Damaged.
a) Low.
a) Thermistor connection loose.
b) Harvest control moved from factory setting.
c) Defective.
a) Loose, disconnected, or defective.
a) Erratic or closed.
a) Screen or orifice clogged.
a) Inefficient or off.
Long Freeze Cycle
a) Scaled up, dirty.
a) Leaking by.
a) Erratic or open.
a) Clogged.
a) Loose, disconnected, or defective.
a) Freeze control set too long.
b) Defective.
a) Low.
a) Inefficient or off.
a) RPM too slow.
b) Defective.
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