Service Manual
Table Of Contents
- Important Safety Information
- I. Construction and Water/Refrigeration Circuit Diagram
- II. Sequence of Operation and Service Diagnosis
- III. Controls and Adjustments
- IV. Refrigeration Circuit and Component Service Information
- V. Maintenance
- VI. Preparing the Appliance for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
20
Low Ice Production - Possible Cause
Long Harvest Cycle
1. Evaporator a) Scaled up.
2. Control Board a) Thermistor connection loose (K3).
b) Defective.
3. Evaporator (Cube Control)
Thermistor
See "II.E. Evaporator Thermistor
Check"
a) Loose, disconnected, or defective.
4. Hot Gas Valve a) Erratic or closed.
5. Compressor a) Inefficient or off.
6. Thermostatic Expansion Valve a) Defective.
7. Refrigerant Charge a) Low.
Long Freeze Cycle
1. Evaporator a) Scaled up, dirty.
2. Hot Gas Valve a) Defective.
3. Condenser a) Restricted.
4. Control Board a) Defective.
5. Thermostatic Expansion Valve a) Bulb loose.
b) Defective.
6. Compressor a) Inefficient or off.
7. Refrigerant Charge a) Low.
Slab Does Not Break Into Separate Cubes - Possible Cause
1. Spring a) Over-extended.
2. Water pan assembly a) Obstacle caught between evaporator and water pan assembly.
Cubes Drop Separately - Possible Cause
1. Refrigerant Charge a) Low - Long harvest cycle.
2. Cam Arm a) Worn out.
Imperfect Ice Production - Possible Cause
1. Water Supply a) Improper water pressure.
b) External water lters restricted.
c) Water leaks from water tank or water pan due to broken tank or
plate or icemaker out of level.
2. Inlet Water Valve a) Water leaks from valve body or water supply pipe joint.
3. Water Pan a) Spray holes restricted.
4. Pump Motor a) Defective.