Hoshizaki JWE-620UA-6B - Manual (Page 4)

3. Inadequate Rinse -----------------------------------------------------------------------------------44
4. Dishwasher Will Not Start When Door Closed ----------------------------------------------45
5. No or Inadequate Detergent/Rinse Aid Supply ----------------------------------------------46
6. Wash Tank Water Boils ----------------------------------------------------------------------------46
7. Wash Tank Water Not Draining ------------------------------------------------------------------47
D. Float Switch Check and Cleaning ------------------------------------------------------------------48
1. Float Switch Check ---------------------------------------------------------------------------------48
2. Float Switch Cleaning ------------------------------------------------------------------------------48
E. Thermistor Check --------------------------------------------------------------------------------------49
IV. Removal and Replacement of Components -------------------------------------------------------50
A. Removal of Panels -------------------------------------------------------------------------------------50
B. Accessing the Control Box ---------------------------------------------------------------------------50
C. Removal and Replacement of Internal Booster Tank -----------------------------------------52
D. Removal and Replacement of Wash Pump Motor ---------------------------------------------53
E. Removal and Replacement of Rinse Pump Motor ---------------------------------------------54
F. Removal and Replacement of Handle -------------------------------------------------------------55
G. Removal and Replacement of Door ---------------------------------------------------------------56
H. Removal and Replacement of Spring Unit -------------------------------------------------------57
I. Removal and Replacement of Spring -------------------------------------------------------------57
J. Adjustment of Door Opening/Closing Force -----------------------------------------------------58
K. Removal and Replacement of Flush Pipe -------------------------------------------------------59
L. U-Packing Installation Instructions -----------------------------------------------------------------60
M. Removal and Replacement of Thermistor -------------------------------------------------------61
N. Removal and Replacement of Control Board or Operation Board -------------------------62
1. Control Board ----------------------------------------------------------------------------------------62
2. Operation Board -------------------------------------------------------------------------------------62
V. Cleaning and Maintenance Instructions -------------------------------------------------------------64
A. Daily Maintenance -------------------------------------------------------------------------------------64
B. Self-Cleaning --------------------------------------------------------------------------------------------66
C. Weekly Maintenance ----------------------------------------------------------------------------------67
1. Heater --------------------------------------------------------------------------------------------------67
2. Exterior ------------------------------------------------------------------------------------------------67
3. Wash Compartment --------------------------------------------------------------------------------67
D. Monthly Maintenance ---------------------------------------------------------------------------------67
1. Power Switch (Ground Fault Circuit Interrupter) --------------------------------------------67
2. Water Supply Line ----------------------------------------------------------------------------------67
E. Descaling (As Required) -----------------------------------------------------------------------------68
F. Shutdown -------------------------------------------------------------------------------------------------69
G. Long Storage, Relocation, Disposal, Transfer --------------------------------------------------70
VI. Operating Instructions -----------------------------------------------------------------------------------71
VII. Technical Information -----------------------------------------------------------------------------------72
A. Water Circuit ---------------------------------------------------------------------------------------------72
B. Wiring Diagram -----------------------------------------------------------------------------------------73
1. Auxiliary Code U-1, U-2, U-3, V-0, A-0 --------------------------------------------------------73
2. Auxiliary Code A-1 and Later ---------------------------------------------------------------------74
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