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
- A. Control Board Layout
- B. LED Lights and Audible Alarm Safeties
- C. Settings and Adjustments
- 1. Default Dip Switch Settings
- 2. Harvest Time (S1 dip switch 1 & 2)
- 3. Pump-Out Time/Harvest Time During Pump-Out (S1 dip switch 3 & 4)
- 4. Pump-Out Frequency Control (S1 dip switch 5 & 6)
- 5. Harvest Pump Time Duration (Harvest Assist) (S1 dip switch 7 & 8)
- 6. Freeze Timer (S1 dip switch 9 & 10)
- 7. Pump-Out/Drain Selector (S2 dip switch 1)
- 8. Harvest Promotion Control (S2 dip switch 2)
- 9. Minimum Harvest Time (S2 dip switch 3)
- 10. Harvest Completion Detection Control (S2 dip switch 4)
- 11. Overfreeze Detection Control (S2 dip switch 5)
- 12. Slush Control (S2 dip switch 6)
- IV. Refrigeration Circuit and Component Service Information
- 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 your
Hoshizaki Service Center.
1. Default Dip Switch Settings
The dip switches are factory-adjusted to the following positions:
S1 Dip Switch No. 1 2 3 4 5 6 7 8 9 10
KM-81BAJ OFF OFF ON OFF ON ON ON ON OFF ON
KM-116BAJ ON OFF ON OFF ON ON OFF ON OFF ON
KM-161BAJ OFF OFF ON ON ON ON ON ON OFF ON
KM-161BWJ OFF OFF ON ON ON ON ON ON ON OFF
S2 Dip Switch (Do Not Adjust)
Dip Switch No.
1 2 3 4 5 6
KM-81BAJ
KM-116BAJ
KM-161BAJ
KM-161BWJ
OFF OFF OFF OFF OFF ON
Do not adjust the S2 dip switch. These must be left in the factory default position, or the
appliance will not operate properly.
Freeze Timer (9 & 10)
Pump-Out Frequency Control (5 & 6)
Pump-Out Time (3 & 4)
Harvest Time (1 & 2)
Harvest Pump Time Duration (Harvest Assist) (7 & 8)
1 2 3 4 5 6 7 8 9 10
ON
S1 Dip Switch
1 2 3 4 5
ON
6
S2 Dip Switch (Do Not Adjust)
Harvest Completion Detection Control (4)
Pump-Out/Drain Selector (1)
Overfreeze Detection Control (5)
Slush Control (6)
Rell Counter (3)
Harvest Promotion Control (2)