Whirlpool GU1200XT, GU1500XT

High

Low

High

Low 130 F

(54 C )

High

Low

Rinse

High

Low Purge

Rinse

Contents

Main INTRODUCTION GOALS AND OBJECTIVES TABLE OF CONTENTS MODEL/SERIAL NUMBER PLATE SERIAL NUMBER DESIGNATOR F L 36 50001 MODEL NUMBER DESIGNATOR SAFETY ! WARNING G 1500 UXT K B0 SECTION ONE INSTALLATION CONSIDERATIONS GENERAL CONSIDERATIONS SPECIFICATIONS SECTION TWO THEORY OF OPERATION CONTROL PANEL MODEL: GU1200XTK Canceling a Cycle To Stop the Drain Changing a Cycle or Setting To Clear the Indicators ADDING ITEMS DURING A CYCLE OPTION SELECTION Soak & Scour Hi-Temp Scour Sani-Rinse Cycle Status Indicators CONTROL PANEL MODEL: GU1500XTK CYCLE SELECTION CHART Page FUNCTION DESCRIPTION Wash/Rinse Function Drain Function Page Page SECTION THREE COMPONENT ACCESS COMPONENT LOCATION ACCESSING COMPONENTS IN THE DOOR Removing the Console Panel ! WARNING ! IMPORTANT Electrostatic Discharge (ESD) Sensitive Electronics Removing the Electronic Control Board Removing the Door Latch Assembly Removing the Active Vent Assembly Removing the Door Microswitches Removing the Dispenser Assembly SERVICING COMPONENTS INSIDE THE WASH TUB Removing the Inner Feed Tube and Lower Spray Arm Removing the Water Inlet Servicing the Heating Element Servicing the Overfill Assembly Removing the Float Removing the Overfill Control Switch Removing the Overfill Assembly Removing the Pump Assembly SERVICING COMPONENTS IN THE SUMP ASSEMBLY Removing the Wash Motor Inset Removing the Pump Motor Accessing Components of the Sump Assembly Removing the Soil Sensor Removing the Impeller from the Wash Motor SERVICING THE DOOR HINGE Page 25 SECTION FOUR TROUBLESHOOTING AND DIAGNOSIS TROUBLESHOOTING CHART PROBLEM POSSIBLE CAUSES CORRECTION/TEST Dishwasher does not run or stops during a cycle Dishwasher will not fill Page Page HOW TO USE THE COMMON CYCLE TIME CHART Common Cycle Time Chart Layout Reading the Common Cycle Time Chart Quick Clean/Time Saver Cycle Using the Common Cycle Time Chart COMMON CYCLE TIME CHART NOTES Page Page Page Page RAPID ADVANCE SERVICE FEA TURE AND DIAGNOSTICS CYCLES DIAGNOSTICS CYCLE TIME CHART NOTES Page Page Page Heater Circuit ELECTRONIC CONTROL CONNECTOR PINS Thermistor COLOR WATER HEATING SOIL SENSING RINSE AID SENSING