Hoshizaki IM-500SAB Service Manual page 20

Large-Hole Cubes - Possible Cause (Also see III.G.1. Dimple Diameter")
1. Condenser
2. Fan Motor
3. Refrigerant Charge
Large-Hole Cubes - Possible Cause (Also see III.G.1. Dimple Diameter")
4. Icemaker Location
5. Water Supply
Cloudy Cubes - Possible Cause
1. Water Quality
2. Slush Ice
a) Dirty condenser or air filter.
a) Defective.
a) Low.
a) Insufficient clearance.
b) Ambient temperature too high.
a) Water leaks.
b) Improper water pressure.
a) High hardness. See "III.G.2. Ice Clarity."
a) Use Anti-Slush Control (Control Board Settings 50 and 51).
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