Manuals / Hoshizaki / Kitchen Appliance / Freezer

Hoshizaki HUR40A(-D), HWR40A(-D), HUR96A(-D) HUR68A, HUF68A, 3a. HUR68A-D, HUF68A-D, Units mm in

Models: HWR68A(-D) HUR40A(-D) HUR68A(-D) HUR96A(-D) HWR40A(-D)

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3.HUR68A, HUF68A

3.HUR68A, HUF68A

Units: mm (in.)

3a. HUR68A-D, HUF68A-D

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Hoshizaki HUR40A(-D), HWR40A(-D), HUR96A(-D), HUR68A(-D), HWR68A(-D) HUR68A, HUF68A, 3a. HUR68A-D, HUF68A-D, Units mm in

Contents

SERVICE MANUAL ModelsCommercial Refrigerators & Freezers Undercounter & Worktop Series HoshizakiHoshizaki America, IncENERGY STAR CONTENTS III. Service Diagnosis A. Alarm Codes1. Alarm Display Priority 2. Alarm Details and CountermeasuresI. Specifications A. Nameplate Ratings B. DimensionsUndercounter Model Names HUR96A-D, HWR96A-D1. HUR40A, HUF40A Units mm in 1a. HUR40A-D, HUF40A-D Units mm in 2. HWR40A, HWF40A2a. HWR40A-D, HWF40A-D Units mm in 3. HUR68A, HUF68A3a. HUR68A-D, HUF68A-D Units mm in 4. HWR68A, HWF68A4a. HWR68A-D, HWF68A-D 5a. HUR96A-D 5. HUR96A Units mm in6. HWR96A Units mm in 6a. HWR96A-D II. General Information A. Construction Evaporator CaseB. Sequence of Operation and Timing Charts 1. Refrigerators - Continuous Operating Modea Sequence of Operation POWER ON Board Self CheckTiming Chart Defrost IndicatorPower ON Time2. Freezers - Continuous Operating Mode a Sequence of OperationTiming Chart Defrost IndicatorPower ON Time3. Refrigerators - Energy Saving Operating Mode POWER ON Board Self Check2-minute Delay a Sequence of OperationTiming Chart Defrost IndicatorPower ON Defrost Thermistor4. Freezers - Energy Saving Operating Mode POWER ON2-minute Delay a Sequence of OperationTiming Chart Defrost IndicatorPower ON Defrost Thermistor1. Start-Up Delay C. Control BoardRelay Wiring Harness K311 Thermistor Wiring Harness K151Rear FrontD. Settings and Diagnostics 1. Gaining Access to Settings and Diagnosticsb Adjusting the Setpoint Temperature 2. Temperature Displaya Switching the Display Between Fahrenheit and Celsius F5 c Cabinet Temperature Correction calibration factor earlier 3. Settings and Diagnostics MenuFreezer b Defrost Termination Temperature F1 a Defrost Interval F0c Setpoint Temperature Differential F2 Detection Time d High Temperature Alarm Delay Time F3e Low Temperature Alarm Delay Time F4 f Temperature Display Scale F5 g Alarm History F6Alarm Code Descriptionh Compressor Run Time F7 4. Operating ModesE. Perimeter Frame Heater a Continuousb Energy Saving c Automatic Corrections Made During Energy Saving Operating ModeIII. Service Diagnosis A. Alarm Codes 1. Alarm Display Priority 2. Alarm Details and Countermeasures a. High Temperature Alarm E1Reset Options Possible CausesPossible Causes b. Low Temperature Alarm E2Reset Options c. Defrost Alarm E3 d. High Pressure Alarm E4Reset Options Reset OptionsPossible Causes e. Clogged Filter Alarm E7Reset Options Possible Causes f. Defrost Temperature Sensor Malfunction Alarm E8Reset Options Possible Causes g. Clogged Filter Sensor Malfunction Alarm E9Reset Options h. Control Board Error Alarms EA and ED Reset OptionsB. Diagnosis Chart ProblemPossible Cause RemedyRemedy ProblemPossible Cause Remedy ProblemPossible Cause C. Thermistor Check IV. Removal and Replacement of Components A. Service for Refrigerant Lines1. Refrigerant Recovery 2. Brazing3. Evacuation and Recharge B. Removal and Replacement of Refrigeration Unit C. Removal and Replacement of CompressorD. Removal and Replacement of Evaporator 5 Recover the refrigerant and store it in an approved container 17 Plug in the unit, and turn on the power supply10 Remove the evaporator and drier 11 Place the new evaporator and new drier in positionE. Removal and Replacement of Capillary Tube / Suction Line Assembly F. Removal and Replacement of Thermistors Cabinet ThermistorDefrost Thermistor Clogged Filter Thermistor sensorG. Removal and Replacement of Door Gasket H. Removal and Replacement of Defrost HeaterI. Removal and Replacement of Control Board J. Removal and Replacement of Fan Motors K. Door Re-Hinging and Drawer ConversionCondenser Fan Motor Evaporator Fan MotorV. Cleaning and Maintenance Instructions A. Cleaning1. Stainless Steel Exterior 2. Stainless Steel InteriorB. Maintenance 5. Air Filter6. Shelves 7. DrawersVI. Wiring Diagrams A1. HUR40A, HWR40A auxiliary code Q5 and earlier A2. HUR40A-D, HWR40A-D auxiliary code Q6 and later B. HUF40A-D, HWF40A-D C1. HUR68A, HWR68A auxiliary code Q5 and earlier C2. HUR68A-D, HWR68A-D auxiliary code Q6 and later D. HUF68A-D, HWF68A-D E. HUR96A-D, HWR96A-D