Hoshizaki DKM-500BAH service manual Sanitizing Procedure Icemaker

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15)Turn off the power supply after 30 minutes.

16)Remove the front panel.

17)Move the service switch to the DRAIN position.

18)Replace the front panel in its correct position.

19)Turn on the power supply for 2 minutes.

20)Turn off the power supply.

21)Remove the front panel.

22)Move the control switch to the ICE position.

23)Replace the front panel in its correct position.

24)Turn on the power supply to fill the water tank with water.

25)Turn off the power supply after 3 minutes.

26)Remove the front panel.

27)Move the control switch to the SERVICE position. Then move the service switch to the WASH position.

28)Replace the front panel in its correct position.

29)Turn on the power supply to rinse off the cleaning solution.

30)Turn off the power supply after 5 minutes.

31)Remove the front panel.

32)Move the service switch to the DRAIN position.

33)Replace the front panel in its correct position.

34)Turn on the power supply for 2 minutes.

35)Turn off the power supply.

36)Remove the front panel.

37)Repeat the above steps 22 through 36 three more times to rinse thoroughly, then proceed to "2. Sanitizing Procedure – Icemaker".

2.Sanitizing Procedure – Icemaker

1)Dilute approximately 1.0 fl. oz. of a 5.25% sodium hypochlorite solution (chlorine bleach) with 2 gallons of warm water.

2)Pour the sanitizing solution into the water tank.

3)Move the service switch to the WASH position.

4)Replace the front panel in its correct position.

5)Turn on the power supply, and start the sanitizing process.

6)Turn off the power supply after 15 minutes.

7)Remove the front panel.

8)Move the service switch to the DRAIN position.

9)Replace the front panel in its correct position.

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Image 43 Contents
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 1Freeze Timer dip switch 9 Pump-Out Frequency Control dip switch 5Bin 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 Thermistor Removal 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