Hoshizaki JWE-620UA-6B service manual Continuous Wash Mode, Consecutive Rinse Mode

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until the temperature is reached. If the temperature is not reached in 60 seconds, the unit goes into ready mode. This setting only applies when the energy saving mode is activated. Note:

The default water temperature drop of setpoint minus 15°F (8°C) was based on test results under the following conditions:

Supply Voltage: 230V

Water Supply Temperature 109°F (43°C)

Rinse Cycle Time: 6 seconds (0.53 gal/rack)

Dwell Time: 5 seconds

Ambient Temperature: 77°F (25°C)

b) Continuous Wash Mode

The continuous wash mode (also used when descaling) allows the wash pump motor to run continuously. In this mode, the wash tank heaters and internal booster tank heaters remain de-energized.

To enter the continuous wash mode, use the "ON/OFF" button to turn off the unit. Press and hold the up and down buttons and the "MODE" button for 3 seconds and press the "ON/OFF" button. As long as the door switch and wash tank water level sensor are closed, the wash pump motor runs and power is supplied to the detergent feeder terminals. "PC" (preventative cleaning) appears in the display and the lamps are off.

To cancel the continuous wash mode, press the "ON/OFF" button.

c) Consecutive Rinse Mode

The consecutive rinse mode (also used in self-cleaning) allows the unit to run through 5 consecutive rinse cycles.

To enter the consecutive rinse mode, use the "ON/OFF" button to turn off the unit. With the door switch closed, press and hold the "STANDBY/CLEANING" button for 3 seconds. "SC" (self cleaning) appears in the display and the "RINSE" lamp is on.

After running through 5 consecutive cycles, the buzzer beeps, then the unit turns off.

d) Low Water Temperature Lock Function (Auxiliary Code A-1 and Later)

To ensure the NSF specified minimum wash water temperature of 150°F and rinse water temperature of 180°F, this unit is provided with a function to lock the washing operation until water in the wash tank reaches 150°F and to extend the washing operation for a maximum of 1 minute until water in the internal booster tank reaches 180°F (factory default: OFF).

To activate this function, set service menu item 19 to “ON” referring to “II.D.7.a) Service Menu Access.” The minimum temperature of 150°F cannot be changed.

e) Alert Function (Auxiliary Code A-1 and Later)

To keep water in the wash tank clean, this unit is provided with functions to beep and flash “Ch” (= Change) in the display when wash water should be changed and to continue this alert until the wash tank is refilled (factory default: OFF).

To activate this function, set service menu items 20, 21, 22 and 23 referring to “II.D.7.a) Service Menu Access.”

1)Set service menu item 20 to ON to activate this function (factory default: OFF).

2)Set service menu item 21 to the desired total operation cycles before alert [number in display x 10 cycles] (factory default: 2 (20 cycles)). Change this setting according to the advice of the relevant health department and customer demands.

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Contents Model JWE-620UA-6B Hoshizaki AMERICA, INC Contents Page Important Safety Information Display Specifications Specification SheetNameplate Rating Dimensions/Connections Dishwasher II. General Information A. ConstructionInternal Booster Tank Auxiliary Code U-1, U-2, U-3, V-0, A-0 Control BoxAuxiliary Code A-1 and Later Auto Fill lamp flashing and RINSE, STANDARD, or Long lamp on Sequence of OperationAuto Fill Cycle Wash Cycle Rinse Cycle STANDBY/CLEANING Button StartDrain Rinse lamp flashingSequence of Operation Flow Chart Auxiliary Code A-1 and Later Control Board Location Control Board and Operation BoardCN5 Control Board LayoutCN9 Control Board DiagramX10 Mode Lamps Error CodesReady Lamp Auto Fill LampSTANDBY/CLEANING Button Mode ButtonService Menu Access Standby LampDefault Service Menu Chart Auxiliary Code U-1, U-2, U-3, V-0, A-0Service Menu Chart Auxiliary Code A-1 and Later Temperature Display Internal Booster Tank Energy Saving Mode Error CodesBuzzer Special ModesAlert Function Auxiliary Code A-1 and Later Continuous Wash ModeConsecutive Rinse Mode OFF Switch Open/Closed Display Mode III. Service DiagnosisDiagnostic Procedure Page Error Code Table Error CodesError Code Log Auto Fill Error A1 Error Code DetailsInternal 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 Eeprom Error H6 ROM/RAM Error H5Phase Reversal Error H7 Unit Will Not Start Service Flow ChartsPage Dishes Not Clean Page Inadequate Rinse Dishwasher Will Not Start When Door Closed Wash Tank Water Boils No or Inadequate Detergent/Rinse Aid SupplyWash Tank Water Not Draining Float Switch Cleaning Float Switch Check and CleaningFloat Switch Check Thermistor Check Removal of Panels IV. Removal and Replacement of ComponentsAccessing the Control Box 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 Removal and Replacement of Spring UnitAdjustment of Door Opening/Closing Force Removal and Replacement of Flush Pipe Packing Installation Instructions Removal and Replacement of Thermistor Operation Board Removal and Replacement of Control Board or Operation BoardControl Board Page Cleaning and Maintenance Instructions Daily Maintenance Pump Filter Water Level Sensor Location Front Self-Cleaning Monthly Inspection Weekly MaintenanceDescaling As Required Shutdown Long Storage, Relocation, Disposal, Transfer VI. Operating Instructions VII. Technical Information Water Circuit Auxiliary Code U-1, U-2, U-3, V-0, A-0 Wiring DiagramAuxiliary Code A-1 and Later
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