Hoshizaki JWE-620UA-6B service manual Wash Cycle

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on. If WT WLS is open, BZ beeps continuously, the "AUTO FILL" lamp goes off and "A1" flashes in the display. For details, see "III.B.3.a) Auto Fill Error (A1)."

Note:

1.If DS opens during the auto fill cycle, the "AUTO FILL" lamp goes off, and RPM de- energizes. When DS closes again, the "AUTO FILL" lamp starts flashing and the unit resumes cycling RPM for the remaining number of times determined by the auto fill cycle setting.

2.BTH is de-energized during the auto fill cycle. WTH is energized if WT WLS closes during the auto fill cycle.

3.If BT WLF/S fails, BT BUWLF/S assumes control. If BT BUWLF/S remains closed for 1 minute, o1 or o2 error appears in the display. For details, see "III.B. Error Codes."

4."STANDBY/CLEANING" button is inactive during the auto fill cycle.

2. Ready Cycle (Unit Inactive)

"READY" lamp and "RINSE," "STANDARD," or "LONG" lamp on.

WT WLS closed. After a rinse cycle, RPM de-energizes and (except Auxiliary Code A-1 and later) power is cut to RFT.

WTH energizes when WT water temperature is at the wash temperature setpoint or lower. For details, see "Wash Temperature Setpoint" (service menu item 04) in "II.D.7.b) Service Menu Chart." WTH de-energizes when WT water temperature is 5°F (3°C) above the setpoint. BTH energizes when BT water temperature is 3°F (2°C) below the rinse temperature setpoint or lower. For details, see "Rinse Temperature Setpoint" (service menu item 05) in "II.D.7.b) Service Menu Chart." BTH de-energizes when BT water temperature reaches the setpoint. WV energizes/de-energizes when BT WLF/S opens/ closes.

Note: To prevent the wash or rinse cycle from starting when the door is closed (if service menu item 11 is set for door start), press the "STANDBY/CLEANING" button. The "READY" lamp goes off and the "STANDBY/CLEANING" lamp comes on. Press the "STANDBY/CLEANING" button again to return to "READY." For details on start initiation, see "Wash/Rinse Cycle Start Initiation" (service menu item 11) in "II.D.7.b) Service Menu Chart."

3. Wash Cycle

The wash cycle can be started by either the door switch or the "STANDBY/CLEANING" button. For details, see "Wash/Rinse Cycle Start Initiation" (service menu item 11) in "II. D.7.b) Service Menu Chart."

Door Switch Start

When the "READY" lamp is on, the unit starts operation in the selected mode when DS closes.

Note: If the "STANDBY/CLEANING" button is pressed when the "READY" lamp is on, the "READY" lamp goes off and the "STANDBY" lamp comes on. When the "STANDBY" lamp is on, the unit will not operate even if DS closes. To cancel standby, press the "STANDBY/CLEANING" button.

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Contents Model JWE-620UA-6B Hoshizaki AMERICA, INC Contents Page Important Safety Information Specifications Specification Sheet DisplayNameplate Rating Dimensions/Connections II. General Information A. Construction DishwasherInternal Booster Tank Control Box Auxiliary Code U-1, U-2, U-3, V-0, A-0Auxiliary Code A-1 and Later Auto Fill lamp flashing and RINSE, STANDARD, or Long lamp on Sequence of OperationAuto Fill Cycle Wash Cycle STANDBY/CLEANING Button Start Rinse CycleRinse lamp flashing DrainSequence of Operation Flow Chart Auxiliary Code A-1 and Later Control Board and Operation Board Control Board LocationControl Board Layout CN5Control Board Diagram CN9X10 Ready Lamp Error CodesMode Lamps Auto Fill LampService Menu Access Mode ButtonSTANDBY/CLEANING Button Standby LampService Menu Chart Auxiliary Code U-1, U-2, U-3, V-0, A-0 DefaultService Menu Chart Auxiliary Code A-1 and Later Temperature Display Buzzer Error CodesInternal Booster Tank Energy Saving Mode 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 Codes Error Code TableError Code Log Error Code Details Auto Fill Error A1Internal 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 H6Phase 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 BoilsWash 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 Unit Removal and Replacement of SpringAdjustment 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 Weekly Maintenance Monthly InspectionDescaling 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-0Auxiliary Code A-1 and Later
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