Hoshizaki KM-1301SWH-E, KM-1301SRH-E, KM-1301SAH-E service manual Auxiliary Code U-1 and Later

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2. Auxiliary Code U-1 and Later

a) KM-1301SAH-E (air-cooled)
Transformer Output	10.5V at 115V
Auxiliary Code U-1 and Later
*
Code V-0
Auxiliary U-1 and
29

Pressure Switch	PSIG	327±21 PSIG
	0
	412±21

* High-	Cut-out	Cut-in

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Contents Superior Degree Reliability Hoshizaki AMERICA, INC Contents Page Serious injury Important Safety InformationIndicates important information about the use and care UnitKM-1301SAH-E air-cooled Specifications IcemakerKM-1301SWH-E water-cooled KM-1301SRH-E remote air-cooled URC-14FE Condenser UnitSpecifications II. General Information Construction KM-1301SWH-E water-cooled Separators Sequence Cycles and Shutdown Sequence of OperationMinute Fill Cycle Initial Harvest CycleFreeze Cycle S4 Dip Switch Setting Pump-Out 1st Pump-Out FrequencyPump-Out Cycle Harvest CycleCycle at Shutdown Mechanical Bin Control Activation Mechanical Bin Control KM-1301SWH-E, KM-1301SRH-ECycle Steps Minute Fill Harvest Cycle Sequence Flow ChartPump-Out Cycle Mechanical BC Bin Full Shutdown and RestartControl Board Control Board Control Board LayoutNo. of Beeps Type of Alarm Every 3 sec LED Lights and Audible Alarm SafetiesSequence Step Time LEDs are OnHarvest Timer S4 dip switch 1 Controls and AdjustmentsDefault Dip Switch Settings Time seconds Inlet Pump-Out Timer S4 dip switch 3Pump-Out Frequency Control S4 dip switch 5 Factory Use S4 dip switch Harvest Pump Timer S4 dip switchFreeze Timer S4 dip switch 9 S4 Dip Switch Setting Pump Motor Time secondsRefill Counter S5 dip switch 2 through Control SwitchFloat Switch Control S5 dip switch Tank Water Tank Headmaster Service Drier Valve Thermistor Auxiliary Code T-0, U-0 Wiring DiagramsKM-1301SAH-E air-cooled U-0 Auxiliary CodeAuxiliary Code U-1 and Later PressureSwitch KM-1301SRH-E remote air-cooled Performance Data 1240 13301780 13351142 12701950 2070Diagnostic Procedure IV. Service DiagnosisPage S4 Dip Switch Setting Pump-Out 1st Pump-Out Frequency Mechanical Bin Control KM-1301SWH-E, KM-1301SRH-E Shutdown Thermostatic Bin Control KM-1301SAH-EControl Board Check Mechanical Bin Control Check Bin Control CheckThermostatic Bin Control Check KM-1301SAH-E Stacked Unit Connection Detail Single Unit Connection DetailMechanical Bin Control Cleaning Float Switch Check Float Switch Check and CleaningFloat Switch Cleaning Thermistor Check Adjustment of Water Regulating Valve water-cooled modelNo Ice Production Possible Cause Diagnostic ChartsNo Ice Production No Ice Production Possible Cause Freeze Up Possible Cause Harvest Cycle Freeze UpFreeze Up Possible Cause Freeze Cycle Long Freeze Cycle Low Ice ProductionLow Ice Production Possible Cause Long Harvest Cycle Refrigerant Recovery Replacement of ComponentsService for Refrigerant Lines Evacuation and Recharge R-404A BrazingPage Component Important Notes for Component ReplacementCleaning Procedure VI. Cleaning and MaintenanceIce Chute Float Switch Assembly Drain Plug Sanitizing Procedure Following Cleaning Procedure Remove the water from the icemaker water supply line MaintenanceDrain the water tank