STERO SG - Table of Contents

TABLE OF CONTENTS
GENERAL .................................................................................................. 4
INTRODUCTION ....................................................................................... 4
MODELS COVERED ................................................................................... 4
TOOLS ................................................................................................. 4
ELECTRICAL SPECIFICATIONS ....................................................................... 4
ENGINEERING DATA .................................................................................. 5
INSTALLATION AND OPERATION CYCLES ............................................................ 5
PROGRAMMING MENUS .............................................................................. 6
REMOVAL AND REPLACEMENT OF PARTS ............................................................... 7
CONTROL PANEL SERVICE POSITION ................................................................ 7
LEFT AND RIGHT TRIM PANELS ...................................................................... 7
SWITCH MEMBRANE .................................................................................. 8
CONTROL PANEL COVER ............................................................................. 8
WATER LEVEL SENSORS ............................................................................. 9
CHEMICAL PUMPS - WELCO ......................................................................... 10
DRAIN PUMP ......................................................................................... 10
FILL VALVE (1SOL) ................................................................................... 11
RINSE PUMP ......................................................................................... 11
RINSE PROBE (2QTM) ............................................................................... 12
WASH PIPE ASSEMBLY .............................................................................. 13
WASH PUMP/MOTOR (1MTR) ........................................................................ 14
BOOSTER HEATER (SU-H) ........................................................................... 15
BOOSTER THERMISTOR & HIGH LIMIT PROTECTION (SU-H) ....................................... 15
SUMP THERMISTOR & HIGH LIMIT PROTECTION ................................................... 16
AIR GAP .............................................................................................. 16
DOOR SWITCH ....................................................................................... 17
SERVICE PROCEDURES AND ADJUSTMENTS ........................................................... 18
REPLACEMENT CONTROL BOARD PROGRAMMING ................................................ 18
SERVICE PROGRAMMING (8934) .................................................................... 18
SOAP PROGRAMMING (7627) ........................................................................ 25
MANAGER PROGRAMMING (1001) ................................................................... 27
TESTING SANITIZER (BLEACH) CONCENTRATION (P.P.M.) ......................................... 29
BYPASS WASH/HEAT CYCLES FOR TROUBLESHOOTING .......................................... 30
10K OHM THERMISTOR TEST - BOOSTER (3QTM) & SUMP (1QTM) ................................. 30
PURGE BOOSTER/HOLDING TANK FOR SERVICE ................................................... 31
DOOR ADJUSTMENT ................................................................................. 31
SUMP HEATER TEST ................................................................................. 32
BOOSTER HEATER TEST ............................................................................ 32
100K OHM THERMISTOR TEST - RINSE PROBE (2QTM) ............................................. 33
ELECTRICAL OPERATION ................................................................................ 34
COMPONENT FUNCTION ............................................................................ 34
COMPONENT LAYOUT ............................................................................... 35
CONTROL BOARD LEDS ............................................................................. 37
CONTROL BOARD TEST POINTS .................................................................... 38
CONTROL BOARD JUMPERS ........................................................................ 40
CONTROL BOARD WIRE CONNECTIONS ............................................................ 41
POWER SUPPLY BOARD LEDS & TEST POINTS ..................................................... 42
SU-L & SG WIRING DIAGRAM ........................................................................ 43
SU-H (3 WIRE - 1PH) WIRING DIAGRAM .............................................................. 45
SU-L & SG SEQUENCE OF OPERATION ............................................................. 47
SU-H SEQUENCE OF OPERATION ................................................................... 49
CYCLE TIMING CHART ............................................................................... 52
TROUBLESHOOTING ..................................................................................... 53
SG, SU-L, SU-H DISHWASHERS
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