Hoshizaki KM-1301SAH-E, KM-1301SRH-E VI. Cleaning and Maintenance, Cleaning Procedure

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VI. Cleaning and Maintenance

This icemaker must be cleaned and maintained in accordance with the documentation and labels provided with the icemaker. Consult with your local distributor about cleaning and maintenance service. To obtain the name and phone number of your local distributor, contact your nearest Hoshizaki Service office (listed in the Instruction Manual and at www.hoshizaki.com).

WARNING

1.Except as specified below, only qualified service technicians should attempt to service this icemaker.

2. CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place after any cleaning or maintenance is done to the unit. Make sure that none have fallen into the storage bin.

3.This appliance must not be cleaned by use of a water jet.

4.To prevent possible damage, do not clean the plastic parts with water above 104°F (40°C) or in a dishwasher.

5.The storage bin is for ice use only. Do not store anything else in the storage bin.

A.Cleaning and Sanitizing Instructions

Performed by Qualified Service Technician

Hoshizaki recommends cleaning and sanitizing this unit at least once a year. More frequent cleaning and sanitizing, however, may be required in some existing water conditions.

WARNING

1.To prevent injury to individuals and damage to the icemaker, do not use ammonia type cleaners.

2. Carefully follow any instructions provided with the bottles of cleaning and sanitizing solution.

3.Always wear liquid-proof gloves and goggles to prevent the cleaning and sanitizing solutions from coming into contact with skin or eyes.

4.To prevent damage to the water pump seal, do not operate the icemaker with the control switch in the "WASH" position when the water tank is empty.

1.Cleaning Procedure

1)Dilute 27 fl. oz. (800 ml) of Hoshizaki "Scale Away" with 5 gal. (19 l) of warm water.

2)Remove all ice from the evaporator and the storage bin.

Note: To remove cubes on the evaporator, turn off the power supply and turn it back on after 3 minutes. The harvest cycle starts and the cubes will be removed from the evaporator.

3)Turn off the power supply.

4)Remove the front panel, then remove the insulation panel by first removing the thumbscrew, lifting up the panel slightly and pulling it towards you.

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Contents Superior Degree Reliability Hoshizaki AMERICA, INC Contents Page Unit Important Safety InformationSerious injury Indicates important information about the use and careKM-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 Initial Harvest Cycle Sequence of OperationSequence Cycles and Shutdown Minute Fill CycleHarvest Cycle S4 Dip Switch Setting Pump-Out 1st Pump-Out FrequencyFreeze Cycle Pump-Out CycleCycle at Shutdown Mechanical Bin Control Activation Mechanical Bin Control KM-1301SWH-E, KM-1301SRH-EMechanical BC Bin Full Shutdown and Restart Sequence Flow ChartCycle Steps Minute Fill Harvest Cycle Pump-Out CycleControl Board Control Board Control Board LayoutTime LEDs are On LED Lights and Audible Alarm SafetiesNo. of Beeps Type of Alarm Every 3 sec Sequence StepDefault Dip Switch Settings Controls and AdjustmentsHarvest Timer S4 dip switch 1 Pump-Out Frequency Control S4 dip switch 5 Pump-Out Timer S4 dip switch 3Time seconds Inlet S4 Dip Switch Setting Pump Motor Time seconds Harvest Pump Timer S4 dip switchFactory Use S4 dip switch Freeze Timer S4 dip switch 9Float Switch Control S5 dip switch Control SwitchRefill Counter S5 dip switch 2 through Tank Water Tank Headmaster Service Drier Valve Thermistor U-0 Auxiliary Code Wiring DiagramsAuxiliary Code T-0, U-0 KM-1301SAH-E air-cooledAuxiliary Code U-1 and Later PressureSwitch KM-1301SRH-E remote air-cooled Performance Data 1335 13301240 17802070 12701142 1950Diagnostic 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 Thermostatic Bin Control Check KM-1301SAH-E Bin Control CheckMechanical Bin Control Check 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 Diagnostic ChartsNo Ice Production Possible Cause No Ice Production Possible Cause Freeze Up Possible Cause Harvest Cycle Freeze UpFreeze Up Possible Cause Freeze Cycle Low Ice Production Possible Cause Long Harvest Cycle Low Ice ProductionLong Freeze Cycle Service for Refrigerant Lines Replacement of ComponentsRefrigerant Recovery 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