Hoshizaki JWE-620UA-6B service manual Dishwasher Will Not Start When Door Closed

Page 49

4. Dishwasher Will Not Start When Door Closed

Dishwater will not start when door closed

Problem

Setting error

Wash Pump Inoperative

Rinse Pump Inoperative

Door Magnet Detection

Error

Possible Cause

Unit in “STANDBY.”

Wash/Rinse cycle start initiation (service menu item 11) set to “STANDBY/ CLEANING” button.

Protector tripped.

Locked with foreign matter.

Controller input/output error.

Magnetic contactor defective.

Protector tripped.

Locked with foreign matter/

Controller input/output error.

Relay defective.

Door not fully closed.

Magnet out of position.

Door switch out of position.

Magnetic material caught between door and tank.

Remedy

Press “STANDBY/ CLEANING” button to cancel “STANDBY.”

Change to door switch start.

Wait until wash pump cools.

Remove obstacles.

Check input/output and repair or replace.

Replace.

Wait until Rinse Pump cools.

Remove obstacles.

Check input/output and repair or replace.

Replace.

Close completely.

Set in position.

Set in position.

Remove.

44

Image 49

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 Cycle Sequence of OperationAuto Fill lamp ﬂashing and RINSE, STANDARD, or Long lamp on 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 ModesConsecutive Rinse Mode Continuous Wash ModeAlert Function Auxiliary Code A-1 and Later OFF Diagnostic Procedure III. Service DiagnosisSwitch Open/Closed Display Mode 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 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 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 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 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