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12. Special Modes ---------------------------------------------------------------------------------------22
III. Service Diagnosis ----------------------------------------------------------------------------------------24
A. Diagnostic Procedure ---------------------------------------------------------------------------------24
B. Error Codes ----------------------------------------------------------------------------------------------26
1. Error Code Table ------------------------------------------------------------------------------------26
2. Error Code Log --------------------------------------------------------------------------------------27
3. Error Code Details ----------------------------------------------------------------------------------28
C. Service Flow Charts -----------------------------------------------------------------------------------41
1. Unit Will Not Start -----------------------------------------------------------------------------------41
2. Dishes Not Clean -----------------------------------------------------------------------------------43
3. Inadequate Rinse -----------------------------------------------------------------------------------45
4. Dishwasher Will Not Start Wash/Rinse Cycle -----------------------------------------------46
5. No or Inadequate Detergent/Rinse Aid Supply ----------------------------------------------47
6. Wash Tank Water Boils ----------------------------------------------------------------------------47
7. Wash Tank Water Not Draining ------------------------------------------------------------------48
D. Float Switch Check and Cleaning ------------------------------------------------------------------49
1. Float Switch Check ---------------------------------------------------------------------------------49
2. Float Switch Cleaning ------------------------------------------------------------------------------49
E. Thermistor Check --------------------------------------------------------------------------------------50
IV. Removal and Replacement of Components -------------------------------------------------------51
A. Removal of Panels -------------------------------------------------------------------------------------51
B. Removal and Replacement of Wash Pump Motors -------------------------------------------51
C. Removal and Replacement of Rinse Pump Motor ---------------------------------------------52
D. Removal and Replacement of Gear Motor ------------------------------------------------------55
E. Removal and Replacement of Conveyor ---------------------------------------------------------56
F. Removal and Replacement of Crankshaft --------------------------------------------------------57
G. Removal and Replacement of Control Box ------------------------------------------------------58
H. Removal and Replacement of Thermistor -------------------------------------------------------58
I. Removal and Replacement of Control Board or Operation Board --------------------------59
1. Control Board ----------------------------------------------------------------------------------------59
2. Operation Board -------------------------------------------------------------------------------------60
J. Removal and Replacement of Heater -------------------------------------------------------------61
K. Removal and Replacement of Float Switch -----------------------------------------------------62
L. Removal and Replacement of Thermostat -------------------------------------------------------63
V. Cleaning and Maintenance Instructions -------------------------------------------------------------64
A. Daily Maintenance -------------------------------------------------------------------------------------64
B. Weekly Maintenance ----------------------------------------------------------------------------------69
1. Heater --------------------------------------------------------------------------------------------------69
2. Exterior ------------------------------------------------------------------------------------------------69
C. Monthly Maintenance ---------------------------------------------------------------------------------69
1. Water Supply Line ----------------------------------------------------------------------------------69
D. Descaling (As Required) -----------------------------------------------------------------------------70
E. Shutdown -------------------------------------------------------------------------------------------------70
F. Long Storage, Relocation, Disposal, Transfer ---------------------------------------------------72
VI. Operating Instructions -----------------------------------------------------------------------------------72
VII. Technical Information -----------------------------------------------------------------------------------73
A. Water Circuit ---------------------------------------------------------------------------------------------73
B. Wiring Diagram -----------------------------------------------------------------------------------------74
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