Service Manual
ManualsBrandsHoshizaki ManualsCommercial Countertop Ice Makers and DispensersDCM-751BAH 35" Stanitary Cubelet Ice Machine and Dispenser with 801 lbs. Daily Ice Production, Built-In 70 lbs. Ice Storage, Corrosion Resistant Stainless Steel Exterior, Advanced CleanCycle24 Design, and Push Button Operation: Stainless Steel
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. Settings 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 (S1 dip switch 8)
- 7. Factory Use (S1 Dip Switch 9 & 10)
- D. Power Switch, Control Switch, and Dispense Mode Switch
- IV. Removal and Replacement of Components
- V. Maintenance
- VI. Preparing the Appliance for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
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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.
Water Dispense-Push Button
1. Power Supply a) Off, blown fuse, or tripped breaker.
2. Water Dispense Switch a) Defective.
3. Water Dispense Valve a) Water supply turned off.
b) Defective.
Water Dispense-Opti-Serve
1. Power Supply a) Off, blown fuse, or tripped breaker.
2. Infrared Sensor a) Defective.
3. Control Board a) No power to infrared sensor.
b) No power to water dispense valve.
4. Water Dispense Valve a) Water supply turned off.
b) Defective.