Hoshizaki FS-1022MLH-C service manual

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IV. Service Diagnosis	26
A. Ice Production Check	26
B. Diagnostic Procedure	26
C. Control Board Check	30
D. Bin Control Check	33
1. Infrared Sensor Check	33
2. Mechanical Backup Bin Control Check	34
E. Float Switch Check and Cleaning	36
1. Float Switch Check	36
2. Float Switch Cleaning	36
F. Diagnostic Charts	38
V. Removal and Replacement of Components	41
A. Service for Refrigerant Lines	41
1. Refrigerant Recovery	42
2. Brazing	42
3. Evacuation and Recharge (R-404A)	42
B. Important Notes for Component Replacement	43
1. Upper Bearing Wear Check	45
2. Removal and Replacement of Cutter	45
3. Removal and Replacement of Extruding Head	46
4. Removal and Replacement of Auger	46
5. Removal and Replacement of Evaporator	47
6. Removal and Replacement of Mechanical Seal and Lower Housing	48
7. Removal and Replacement of Gear Motor	49
VI. Cleaning and Maintenance	51
A. Cleaning and Sanitizing Instructions	51
1. Cleaning Solution	51
2. Cleaning Procedure	51
3. Sanitizing Solution	53
4. Sanitizing Procedure - Initial	53
5. Sanitizing Procedure - Final	54
B. Maintenance	55
C. Preparing the Icemaker for Long Storage	57

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Contents SRC-10H Hoshizaki AMERICA, INC Contents Page Important Safety Information Serious injuryIndicates important information about the use and care UnitFor SRC Specifications Icemaker FS-1022MLH-CCondensing Unit SRC-10HII. General Information Construction Icemaker FS-1022MLH-CCondensing Unit a SRC-10H Icemaking Unit Sequence of Operation Sequence Cycles and ShutdownDrain Cycle Shutdown Cycle Control Board Sequence Flow Chart FS-1022MLH-C/SRC-10H Sequence Flow ChartControl Board Control Board Layout Control BoardLED Lights and Audible Alarm Safeties No. of Beeps Type of Alarm Reset Options Every 5 secSequence Step Energized Components Min MaxS1 Dip Switch Setting Infrared Sensor Shutdown Delay Controls and AdjustmentsSeconds 1.6 minutes Factory Default S1 Dip Switch Setting Drain Timer Interval S1 Dip Switch Setting Dispense TimeS1 Dip Switch Mechanical BackupShutdown Delay Bin ControlIII Wiring Diagrams Safety Low-Pressure Switch Manual Reset Control Low-Pressure SwitchHigh-Pressure Switch Performance Data FS-1022MLH-C with SRC-10HDiagnostic Procedure IV. Service DiagnosisIce Production Check Page Page Page Control Board Check 5VDC Page Bin Control Check Infrared Sensor CheckMechanical Backup Bin Control Check Page Float Switch Check Float Switch Check and CleaningFloat Switch Cleaning Page No Ice Production Diagnostic ChartsNo Ice Production Possible Cause Startup No Ice Production Possible Cause Shutdown Removal and Replacement of Components Service for Refrigerant LinesBrazing Refrigerant RecoveryEvacuation and Recharge R-404A Evaporator Assembly Components. See Fig Important Notes for Component ReplacementComponent Evaporator Assembly Removal and Replacement of Cutter Upper Bearing Wear CheckRemoval and Replacement of Extruding Head Removal and Replacement of AugerRemoval and Replacement of Evaporator Page 6b. Lower Housing Removal and Replacement of Gear MotorPage VI. Cleaning and Maintenance Cleaning and Sanitizing InstructionsCleaning Solution Cleaning ProcedureFloat Switch Assembly Reservoir Cover Sanitizing Solution Sanitizing Procedure InitialSanitizing Procedure Final Maintenance Maintenance Schedule Frequency Area TaskRemove the water from the icemaker water supply line Preparing the Icemaker for Long StorageDrain the evaporator