Hoshizaki IM-50BAA-LM Service Manual page 18

Self-contained cuber
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1. Evaporator
2. Hot Gas Valve
3. Condenser
4. Control Board
5. Refrigerant Charge
6. Compressor
Slab Does Not Break Into Separate Cubes - Possible Cause
1. Spring
2. Water Plate
Cubes Drop Separately - Possible Cause
1. Refrigerant Charge
2. Cam Arm
Imperfect Ice Production - Possible Cause
1. Water Supply
2. Inlet Water Valve
3. Water Plate
4. Pump Motor
Large-Hole Cubes - Possible Cause
1. Refrigerant Charge
2. Condenser
3. Fan Motor
4. Icemaker Location
5. Water Supply
Cloudy Cubes - Possible Cause
1. Water Quality
2. Slush Ice
Long Freeze Cycle
a) Scaled up, dirty.
a) Defective.
a) Restricted.
a) Defective.
a) Low.
a) Inefficient or off.
a) Over-extended.
a) Obstacle caught between evaporator and water plate.
a) Low - Long harvest cycle.
a) Worn out.
a) Improper water pressure.
b) External water filters restricted.
c) Water leaks from water tank or water plate due to broken tank or
plate or icemaker out of level.
a) Water leaks from valve body or water supply pipe joint.
a) Spray holes restricted.
a) Defective.
a) Low.
a) Dirty condenser or air filter.
a) Defective.
a) Insufficient clearance.
b) Ambient temperature too high.
a) Water leaks.
b) Improper water pressure.
a) High hardness.
a) Use Anti-Slush Control (Control Board Settings 50 and 51).
17

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