KitchenAid KSBP25FKSS00, KSBS25FKBL00, KSBS25FKBT00, KSBS25FKWH00, KSCS25FKSS00, KSFS25FKBL00, KSFS25FKBT00, KSFS25FKWH00 7-3, THE DEFROST CYCLE

7-3

The Evaporator Fan Motor

BK WH

L1 N

P5-2 P5-3

P7-4 P7-5 P7-9 P7-10

Electronic Control

Board

Evaporator

Fan Motor

YL/BU WH/VT YL/BK

YL/RD

THE DEFROST CYCLE

The Defrost Heater

Electronic

Control Board

Defrost

Heater

Bimetal

L1 N

BK P6-4

P5-2 PK BR WH

Contents

Main JOB AID 4317290A KAR-12 - ii - FORWARD GOALS AND OBJECTIVES - iii - TABLE OF CONTENTS - iv - 1-1 Your safety and the safety of others is very important. ELECTRICAL POWER SUPPLY & GROUNDING REQUIREMENTS GENERAL SAFETY FIRST 1-2 ELECTROSTATIC DISCHARGE (ESD) SENSITIVE ELECTRONICS 1-3 MODEL & SERIAL NUMBER DESIGNATIONS SERIAL NUMBER MODEL NUMBER Page 1-5 SPECIFICATIONS 1-6 1-7 REFRIGERATOR WARRANTY ONE-YEAR FULL WARRANTY ON REFRIGERATOR SECOND THROUGH FIFTH YEAR LIMITED WARRANTY SIXTH THROUGH TENTH YEAR LIMITED WARRANTY LIMITED LIFETIME WARRANTY Page INSTALLATION INFORMATION 2-1 LEVELING THE REFRIGERATOR 1 2 Page THEORY OF OPERATION 3-1 OVERVIEW 3-2 TEMPERATURE CONTROL 3-3 COMPRESSOR Freezer Temperature Compressor Setting Minimum Speed #1 - #5 1620 rpm # 6 1800 rpm # 7 2200 rpm COMPRESSOR PROTECTION EVAPORATOR FAN MOTOR 3-4 ADAPTIVE DEFROST PULSED DEFROST POWER INTERRUPTION FAILURE DEFAULTS 3-5 ELECTRONIC CONTROL THERMAL SHUTOFF AIR CIRCULATION Page COMPONENT ACCESS COMPONENT LOCATIONS 4-1 4-2 REMOVING THE TOUCH/DISPLAY BOARD, THE INSERT AND OVERLAY, & THE MOTORIZED AIR DOOR 4-3 4-4 REMOVING A THERMISTOR 4-5 REMOVING A DOOR SWITCH 4-6 REMOVING A LIGHT SOCKET 4-7 REMOVING THE WATER RESERVOIR 4-8 4-9 REMOVING THE ICE MAKER AND THE AUGER MOTOR & CRUSH/CUBE SOLENOID 4-10 4-11 REMOVING THE EVAPORATOR FAN MOTOR, THE BIMETAL, THE DEFROST HEATER, & THE EVAPORATOR 4-12 4-13 4-14 4-15 REMOVING THE CONDENSER FAN MOTOR 4-16 REMOVING THE COMPRESSOR 4-17 REMOVING THE INVERTER ASSEMBLY 4-18 REMOVING THE MAIN CONTROL BOARD ASSEMBLY 4-19 4-20 REMOVING THE WATER DISPENSER FILL TUBE 4-21 4-22 REMOVING THE WATER VALVE 4-23 REMOVING THE FREEZER DOOR HANDLES & FREEZER DOOR 4-24 4-25 REMOVING A ROLLER Page COMPONENT TESTING 5-1 THERMISTOR 5-2 CONDENSER FAN MOTOR EVAPORATOR FAN MOTOR 5-3 COMPRESSOR & INVERTER 5-4 MOTORIZED AIR DOOR DEFROST HEATER & BIMETAL 5-5 MAIN CONTROL BOARD 5-6 CRUSH/CUBE SOLENOID ICE MAKER AUGER MOTOR 5-7 DOOR SWITCH WATER VALVE SOLENOID 6-1 DIAGNOSIS & TROUBLESHOOTING DIAGNOSIS PRE-DIAGNOSTICS CHECKS DIAGNOSTICS MODE 6-2 WATER FILTER INPUT (WFI) TEST DIAGNOSTICS CHART Step Component Tested Result* Comment 6-3 TROUBLESHOOTING CHART Page Page 7-2 STRIP CIRCUITS THE COOLING CIRCUITS The Compressor The Condenser Fan Motor 7-3 The Evaporator Fan Motor L1 N Electronic Control Board Evaporator Fan Motor Page PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION SOURCES

KitchenAid 7-3, THE DEFROST CYCLE

Models: KSBP25FKSS00 KSBS25FKBL00 KSBS25FKBT00 KSBS25FKWH00 KSCS25FKSS00 KSFS25FKBL00 KSFS25FKBT00 KSFS25FKWH00

The Evaporator Fan Motor

L1 N

Electronic Control

Board

Evaporator

Fan Motor

The Defrost Heater