Manuals / Hoshizaki / Kitchen Appliance / Dishwasher

Hoshizaki JWE-620UA-6B service manual Internal Booster Tank

Models: JWE-620UA-6B

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Error codes Control Board Diagram Default Dimension Maintenance Diagnostic Procedure Accessing the Control Box STANDBY/CLEANING Button Start Temperature Display Safety

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2. Internal Booster Tank

Legend: F/S–ﬂoat switch; H–heater; TH–thermistor

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Hoshizaki JWE-620UA-6B service manual Internal Booster Tank

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Contents

Model JWE-620UA-6B Hoshizaki AMERICA, INC Contents Page Important Safety Information Speciﬁcations Speciﬁcation Sheet Display Nameplate Rating Dimensions/Connections II. General Information A. Construction Dishwasher Internal Booster Tank Control Box Auxiliary Code U-1, U-2, U-3, V-0, A-0 Auxiliary Code A-1 and Later Auto Fill Cycle Sequence of OperationAuto Fill lamp ﬂashing and RINSE, STANDARD, or Long lamp on Wash Cycle STANDBY/CLEANING Button Start Rinse Cycle Rinse lamp ﬂashing Drain Sequence of Operation Flow Chart Auxiliary Code A-1 and Later Control Board and Operation Board Control Board Location Control Board Layout CN5 Control Board Diagram CN9 X10 Ready Lamp Error CodesMode Lamps Auto Fill Lamp Service Menu Access Mode ButtonSTANDBY/CLEANING Button Standby Lamp Service Menu Chart Auxiliary Code U-1, U-2, U-3, V-0, A-0 Default Service Menu Chart Auxiliary Code A-1 and Later Temperature Display Buzzer Error CodesInternal Booster Tank Energy Saving Mode Special Modes Consecutive Rinse Mode Continuous Wash ModeAlert Function Auxiliary Code A-1 and Later OFF Diagnostic Procedure III. Service DiagnosisSwitch Open/Closed Display Mode Page Error Codes Error Code Table Error Code Log Error Code Details Auto Fill Error A1 Internal Booster Tank Auto Fill Error A2 Wash Tank Water Level Error A3 Defective Replace Control Board Repair or replace Replace Wash Tank Thermistor Error H1, H2 Internal Booster Tank Thermistor Error H3, H4 ROM/RAM Error H5 Eeprom Error H6 Phase Reversal Error H7 Service Flow Charts Unit Will Not StartPage Dishes Not Clean Page Inadequate Rinse Dishwasher Will Not Start When Door Closed No or Inadequate Detergent/Rinse Aid Supply Wash Tank Water Boils Wash Tank Water Not Draining Float Switch Check Float Switch Check and CleaningFloat Switch Cleaning Thermistor Check Accessing the Control Box IV. Removal and Replacement of ComponentsRemoval of Panels Page Removal and Replacement of Internal Booster Tank Removal and Replacement of Wash Pump Motor Removal and Replacement of Rinse Pump Motor Removal and Replacement of Handle Removal and Replacement of Door Removal and Replacement of Spring Unit Removal and Replacement of Spring Adjustment of Door Opening/Closing Force Removal and Replacement of Flush Pipe Packing Installation Instructions Removal and Replacement of Thermistor Control Board Removal and Replacement of Control Board or Operation BoardOperation Board Page Cleaning and Maintenance Instructions Daily Maintenance Pump Filter Water Level Sensor Location Front Self-Cleaning Weekly Maintenance Monthly Inspection Descaling As Required Shutdown Long Storage, Relocation, Disposal, Transfer VI. Operating Instructions VII. Technical Information Water Circuit Wiring Diagram Auxiliary Code U-1, U-2, U-3, V-0, A-0 Auxiliary Code A-1 and Later

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