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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C. Settings and Adjustments
NOTICE
Dip switches are factory set. Failure to maintain factory settings may adversely
affect performance and warranty coverage. For more information, contact Hoshizaki
Technical Support at 1-800-233-1940.
1. Default Dip Switch Settings
The S1 dip switch settings are factory-set to the following positions:
Dip Switch No. 1 2 3 4 5 6 7 8 9 10
DCM-751B_H OFF OFF OFF OFF ON ON OFF ON OFF OFF
DCM-751B_H(-OS) OFF OFF OFF OFF OFF ON OFF ON OFF OFF
Infrared Sensor Shutdown Delay
Continuous Dispensing Timer
(DCM models only, do not adjust on modular appliances)
Drain Frequency Control
Bin Control Selector
Mechanical Bin Control Shutdown Delay
Normally off (factory use)
2. Infrared Sensor Shutdown Delay (S1 dip switch 1, 2, 3)
NOTICE
Do not adjust. Setting not used on this model. When dip switch 7 is off, 1, 2, and 3
are ignored.
Factory set. DCM-751B_H(-OS) does not use an infrared sensor bin control. The
appliance uses a mechanical bin control for ice level control.
3. Drain Frequency Control (S1 dip switch 4)
The appliance is factory set for optimum performance with the 1-in-1 drain cycle (S1 dip
switch 4 in the "OFF" position). This setting allows for removal of sediment from the
evaporator without interrupting the icemaking process. 1-in-12 drain cycle is available.
S1 Dip Switch Setting
Drain Timer Interval Drain Valve Open
No. 4
OFF (1-in-1) 1 Hour 2 Seconds
ON (1-in-12) 11 Hours 45 Minutes 10 Minutes