Service Manual
Table Of Contents
- Important Safety Information
- I. Construction and Water/Refrigeration Circuit Diagrams
- II. Sequence of Operation and Service Diagnosis
- III. Controls and Adjustments
- A. Control Board Layout
- B. LED Lights and Audible Alarm Safeties
- C. Controls and Adjustments
- 1. Default Dip Switch Settings
- 2. Infrared Sensor Shutdown Delay (S1 dip switch 1, 2, 3)
- 3. Drain Frequency Control (S1 dip switch 4)
- 4. Continuous Dispensing Timer (S1 dip switch 5 & 6)
- 5. Bin Control Selector (S1 dip switch 7)
- 6. Bin Control Shutdown Delay, Agitation, and Ice Purge Timer (S1 dip switch 8)
- 7. Bin Control Shutdown Delay (S1 dip switch 9)
- 8. Factory Use (S1 Dip Switch 10)
- D. Switches
- IV. Refrigeration Circuit and Component Service Information
- V. Maintenance
- VI. Preparing the Appliance for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
32
No Ice Production - Possible Cause
Re๎ll
1. Water Supply a) Off.
2. Control Board a) No power to ๎oat switch (5VDC) or not reading ๎oat switch
condition.
b) No power to inlet water valve (24VAC).
3. Float Switch a) Float does not move freely.
b) Defective.
4. Inlet Water Valve a) Clogged or defective.
Shutdown
1. Bin Control a) Actuator paddle sticking open.
b) Proximity switch defective.
2. Control Board
See "II.C. Control Board Check"
a) S1 dip switch settings not set correctly.
b) Defective.
2. Ice/Water Dispensing
Ice Dispense-Push Button
1. Power Supply a) Off, blown fuse, or tripped breaker.
2. Control Board a) Ice dispense switch circuit open or no power (5VDC) from control
board.
b) No power (115VAC) to ice dispense solenoid, ice dispense motor, or
agitating motor.
3. Ice Dispense Switch a) Defective.
4. Dispense Mode Switch a) Defective.
5. Ice Dispense Motor a) Motor windings.
b) Mechanical failure.
6. Ice Dispense Solenoid a) Defective or loose connection.
7. Shutter Assembly a) Defective.
8. Agitating Motor a) Motor windings.
b) Mechanical failure.
Ice Dispense-Opti-Serve
1. Power Supply a) Off, blown fuse, or tripped breaker.
2. Control Board a) No power to dispense mode switch.
b) Dispense mode switch circuit open.
c) No power to ice dispense solenoid, ice dispense motor, or agitating
motor.
3. Infrared Sensor a) Defective.
4. Dispense Mode Switch a) Defective (open).
5. Ice Dispense Motor a) Motor windings.
b) Mechanical failure.
6. Ice Dispense Solenoid a) Defective or loose connection.
7. Shutter Assembly a) Defective.
8. Agitating Motor a) Motor windings.
b) Mechanical failure.