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