Hoshizaki JWE-2400CUA-R-25B service manual Dishwasher Sequence Flow Chart JWE-2400CUA-25B

Page 17

Dishwasher Sequence Flow Chart

JWE-2400CUA-25B

Cycle Steps

Initial startup begins here

1. Auto Fill Cycle

2. Ready Cycle (Unit Inactive)

SPS must be closed for RPM to energize

RPM time: (service menu item 03)

RFT de-energized during Auto Fill Cycle

WT WLS check.

WT WLS

WT WLS closed

Go to Ready

check

 

Cycle if closed.

 

 

3.Wash Cycle

Cycle started by wash start switch

SPS must be closed for WPM to energize

The upper spray arm WPM starts first, followed by the lower spray arm WPM

WT WLS monitored during Wash C l

4.Rinse Cycle

Cycle started by rinse start switch

SPS must be closed for RPM to energize

D. Sequence of Operation

12

WV energized/de-energized by

BT WLF/S

RPM energized (time=service menu item 03)

BTH energized when BT WLSF/S closed

WTH energized when WT WLS closed

VFCT energized when RPM energized

"A1" error appears WT WLS open in display.

Legend:

BT–internal booster tank

BTH–internal booster tank heater DFT–detergent feeder terminals GM-gear motor (conveyor) RFT–rinse aid feeder terminals RPM–rinse pump motor RSS-rinse start switch SPS–service panel switch VFCT-vent fan control terminals WLF/S–water level float switch WLS–water level sensor WLSF/S-water level safety float switch WPM–wash pump motor WSS-wash start switch

WT–wash tank

WTH–wash tank heater WV–inlet water valve

WTH energized when WT water temp. at wash temp. setpoint (service menu item 04) or lower

WTH de-energized when WT water temp. is 5ºF (3ºC) above wash temp. setpoint (service menu item 04) BTH energized when BT water temp. 3ºF (2ºC) below rinse temp. setpoint (service menu item 05) or lower BTH de-energized when BT water temp. reaches rinse temp. setpoint (service menu item 05)

WV energized/de-energized by

BT WLF/S

BTH de-energized when BT WLSF/S opens

WTH de-energized when WT WLS opens

VFCT de-energized

"A3"error appears WT WLS open in display. unit shuts down

WPM energized (power supplied to DFT when WPM energized)

WPM de-energized when WSS opens and the extended wash cycle time (service menu item 01) has expired (power cut to DFT when WPM de-energized)

GM energized when WPM energized WTH energized when WT water temp. at wash temp. setpoint (service menu item 04) or lower

WTH de-energized when WT water temp. is 5ºF (3ºC) above wash temp. setpoint (service menu item 04)

BTH energized when BT water temp. 3ºF (2ºC) below rinse temp. setpoint (service menu item 05) or lower

BTH de-energized when BT water temp. reaches rinse temp. setpoint (service menu item 05)

WV energized/de-energized by BT WLF/S BTH de-energized when BT WLSF/S opens

WTH de-energized when WT WLS opens VFCT energized when WPM energized

WPM and GM de-energized WT WLS RPM energized

(time=service menu item 07) "A3"error appears in display. repeats twice

RPM energized (power supplied to RFT when RPM energized)

RPM de-energized when RSS opens and the extended rinse cycle time (service menu item 02) has expired (power cut to RFT when RPM de-energized)

GM energized while WPM and RPM energized WTH energized when WT water temp. at wash temp. setpoint (service menu item

04) or lower

WTH de-energized when WT water temp. is 5ºF (3ºC) above wash temp. setpoint (service menu item 04)

BTH energized when BT water temp. 3ºF (2ºC) below rinse temp. setpoint (service menu item 05) or lower

BTH de-energized when BT water temp. reaches rinse temp. setpoint (service menu item 05)

WV energized/de-energized by BT WLF/S BTH de-energized when BT WLSF/S opens

WTH de-energized when WT WLS opens VFCT energized when WTH energized

Flow Chart

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Contents Model JWE-2400CUA-L-25B JWE-2400CUA-R-25B Hoshizaki AMERICA, INC Contents Page Serious injury Important Safety InformationProperty Indicates important information about the use and careDishwasher Side Booster Side AC Supply Voltage Right to Left Nameplate Rating JWE-2400CUA-L-25B Dimensions/ConnectionsJWE-2400CUA-R-25B Dishwasher II. General Information A. ConstructionTop View Booster TankBox Increasing Rinse Water Flow Rate FunctionsSequence of Operation Page Drain Table Limit SwitchEmergency Stop Button Dishwasher Sequence Flow Chart JWE-2400CUA-25B Flow ChartCycle ChartAuto Fill Wash Cycle/Rinse Cycle Control Board Location Control Board and Operation BoardCN4 Control Board LayoutCN1 CN2 Control Board DiagramError Codes Service Menu and Error LogWater Temperature Lamps DisplayService Menu Access Conveyor Speed SwitchReady Lamp Wash LampItem and Details Setting Range Display Service Menu ChartBuzzer Temperature DisplayError Codes Low Water Temperature Lock Function Continuous Wash ModeOperation Time Display Special ModesOFF Switch Open/Closed Display Mode III. Service DiagnosisDiagnostic Procedure Page Error Code Table Error CodesError Code Log Auto Fill Error A1 Error Code DetailsPage Booster Tank Auto Fill Error A2 Wash Tank Water Level Error A3 Page Page Wash Tank Thermistor Error H1, H2 Booster Tank Thermistor Error H3, H4 Eeprom Error H6 ROM/RAM Error H5Conveyor Overload or Table Limit Error 1 L1 Conveyor Overload or Table Limit Error 2 L2 Booster Tank Error b1 Booster Tank Water Level Safety Error b2 Unit Will Not Start Service Flow ChartsSee III.B. Error Codes Replace Dishes Not Clean Page Inadequate Rinse Dishwasher will not start wash/rinse cycle Dishwasher Will Not Start Wash/Rinse CycleWash 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 ComponentsRemoval and Replacement of Wash Pump Motors Removal and Replacement of Rinse Pump Motor Rinse Pump Motor Page Removal and Replacement of Gear Motor Removal and Replacement of Conveyor Removal and Replacement of Crankshaft Removal and Replacement of Thermistor Removal and Replacement of Control BoxControl Board Removal and Replacement of Control Board or Operation BoardOperation Board Removal and Replacement of Heater Removal and Replacement of Float Switch Removal and Replacement of Thermostat Cleaning and Maintenance Instructions Daily Maintenance Wash the curtains Silverware Rack Rail Ring Install the curtain L in the wash compartment Monthly Inspection Weekly MaintenanceHeater ExteriorShutdown Descaling As RequiredService Panel Hook VI. Operating Instructions Long Storage, Relocation, Disposal, TransferVII. Technical Information Water Circuit Wiring Diagram
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JWE-2400CUA-R-25B, JWE-24000CUA-L-25B specifications

The Hoshizaki JWE-2400CUA-R-25B and JWE-24000CUA-L-25B are advanced ice machines designed to meet the diverse needs of commercial establishments requiring high volumes of ice. These state-of-the-art units combine innovative technology with energy efficiency, making them ideal for restaurants, hotels, bars, and other hospitality settings.

One of the main features of the JWE-2400CUA-R-25B is its high production capacity. This model can produce up to 2,400 pounds of ice in a 24-hour period, ensuring a continuous supply for busy operations. Similarly, the JWE-24000CUA-L-25B boasts an impressive production rate, accommodating even larger establishments. Both machines deliver crescent-shaped ice, which is favored for its rapid cooling properties and ease of use in beverages.

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