Hoshizaki DKM-500BAH service manual

DKM-500BAH Hoshizaki AMERICA, INC Contents Page DKM-500BAH SpecificationsDKM-500BAH II. General Information ConstructionSequence of Operation Cycle DKM-500BAH Sequence Flow Chart and Component OperationControl Board Control Board Layout Control Products E Control BoardControl Board Maximum Water Supply Period 6 minutes Harvest Backup Timer and Freeze TimerHigh Temperature Safety Low Water SafetyPM, SR, DV LED Lights and Audible Alarm SafetiesDefault Dip Switch Settings Controls and AdjustmentsHarvest Control Thermistor Pump-Out Timer dip switch 3 Harvest Timer dip switch 1 Freeze Timer dip switch 9 Pump-Out Frequency Control dip switch 5 Bin Control Machine Will Not Shut Off Bin Control TroubleshootingControl Board Check Procedure Machine Will Not StartService Switch SwitchesControl Board Replacement Control SwitchWash CirculateDKM-500BAH Wiring Diagram Timing Chart Page 110 Performance DataIV. Service Diagnosis Minute Diagnostic Procedure Ice Making Diagnostic ChartsNo Ice Production Problem Possible Cause Remedy Problem Possible Cause Remedy Evaporator is Frozen Up Abnormal Ice Low Ice ProductionDispensing OtherProblem Possible Cause Remedy Evacuation and Recharge R-404A Removal and Replacement of ComponentsService for Refrigerant Lines Refrigerant RecoveryBrazing Removal and Replacement of CompressorRemoval and Replacement of Drier Removal and Replacement of Hot Gas Valve Removal and Replacement of Expansion ValveRemoval and Replacement of Evaporator Removal and Replacement of Condenser Removal and Replacement of Fan Motor Removal and Replacement of ThermistorRemoval and Replacement of Pump Motor Removal and Replacement of Inlet Water ValveRemoval and Replacement of Gear Motor Removal and Replacement of Spray TubesRemoval and Replacement of Solenoid Removal and Replacement of Dispense SwitchCleaning Instructions VI. Cleaning and Maintenance InstructionsCleaning Procedure Icemaker Sanitizing Procedure Icemaker Sanitizing Procedure Bin Cleaning Procedure BinAir Filters Maintenance InstructionsPreparing the Icemaker for Long Storage Exterior Panels