Hoshizaki KM-2400SRF3, KM-2400SRH3 service manual Sequence 1st Cycle

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[c]SEQUENCE 1st Cycle

1.Unit energized and Control Switch to “ICE” position. Water supply cycle starts.

2.After 1 minute. Defrost cycle starts.

5.After the first 5 minutes in freeze cycle. Ready to complete freeze cycle when Float Switch circuit opens.

IMPORTANT

Board never accepts freeze completion signal within the first 5 minutes in freeze cycle.

3.Thermistor reads 48°F. Defrost Timer starts counting.

IMPORTANT

Water Valve opening is limited to 6 minutes.

4.Defrost Timer stops counting.

Defrost cycle is completed and freeze cycle starts.

IMPORTANT

1.Board never accepts defrost completion signal within the first 2 minutes in defrost cycle.

2.Defrost cycle time is limited to 20 minutes even if Defrost Timer does not stop counting.

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Contents Stackable Crescent Cuber Hoshizaki AMERICA, INC Contents Maintenance Specifications Condensing UNIT, URC-24F Specifications Model URC-24F II. General Information Construction SOLID-STATE Control Features of Control Products E Controller BoardController Board Controller BoardPage Harvest Cycle Beep every 3 sec. = High Evaporator Temperature 127 FMinute Fill Cycle Freeze CycleControl Products HOSHIZAKI001 Board Control Products HOS-001A Board Sequence 1st Cycle 2nd Cycle and after with pump drain Important Water Valve opening is limited to 6 minutes2nd Cycle and after with no pump drain Controls and Adjustments OFFSetting Time Setting Frequency Checking the Controller Board Page III. Technical Information Wiring Diagram Timing Chart Page Performance Data IV. Service Diagnosis No ICE Production Problem Possible Cause RemedyController Board Problem Possible Cause Remedy Evaporator is Frozen UP ThermistorOthers LOW ICE ProductionAbnormal ICE Refrigerant Recovery Removal and Replacement of ComponentsService for Refrigerant Lines Evacuation and Recharge R-404ABrazing Removal and Replacement of Compressor Important Removal and Replacement of Drier Removal and Replacement of Expansion Valve Removal and Replacement of HOT GAS Valve and Line Valve Removal and Replacement of Evaporator Important Page Removal and Replacement of Thermistor Caution Removal and Replacement of FAN Motor Removal and Replacement of Water Valve Removal and Replacement of Pump MotorRemoval and Replacement of Spray Tubes VI. Cleaning and Maintenance Instructions Important Preparing the Icemaker for Long StoragePage Cleaning Procedure Cleaning Procedure Page Sanitizing Procedure Following Cleaning Procedure Maintenance