KitchenAid KUIA15NLH, KUIA15NRH, KUIA15PLL, KUIA15RRL, KUIA18NNJ, KUIA18PNL, KUIS155H, KUIS15NRH, KUIS15PRH, KUIS185J, KUIS18NNJ 7-3, FIRST 25 SECONDS OF DIAGNOSTICS/CLEAN MODE, LAST 47 MINUTES OF DIAGNOSTICS/CLEAN MODE

7-3FIRST 25 SECONDS OF DIAGNOSTICS/CLEAN MODE

ON/OFF/CLEAN

SWITCH

ELECTRONIC

CONTROL

WATER RECIRCULATING PUMP

CONDENSER FAN

W/BK

YBU

BU W

WATER INLET VALVE

HOT GAS SOLENOID

OVERLOAD

LED

COMPRESSOR RELAY

NOTE: Each relay on the electronic control board closes for five seconds in consecutive order.

The LED remains On through the entire Diagnostics cycle.

LAST 47 MINUTES OF DIAGNOSTICS/CLEAN MODE

ON/OFF/CLEAN

SWITCH

ELECTRONIC

CONTROL

WATER RECIRCULATING PUMP

W/BK

YBU BU WBK

HOT GAS SOLENOID

OVERLOAD

LED

COMPRESSOR RELAY

Contents

Main - ii - FORWARD GOALS AND OBJECTIVES - iii - TABLE OF CONTENTS - iv - 1-1 GENERAL SAFETY FIRST Your safety and the safety of others is very important. DANGER WARNING ELECTRICAL POWER SUPPLY & GROUNDING REQUIREMENTS 1-2 IMPORTANT Electrostatic Discharge (ESD) Sensitive Electronics 1-3 KITCHENAID MODEL & SERIAL NUMBER DESIGNATIONS MODELS PRIOR TO 2003 SERIAL NUMBER MODEL NUMBER 1-4 KITCHENAID MODEL & SERIAL NUMBER DESIGNATIONS MODELS STARTING WITH 2003 MODEL NUMBER SERIAL NUMBER Page 1-6 SPECIFICATIONS Page Page 2-1 INSTALLATION INFORMATION ELECTRICAL SUPPLY REQUIREMENTS 2-2 WATER SUPPLY AND DRAIN CONNECTIONS CONNECTING THE WATER LINE 2-3 CONNECTING THE DRAIN 2-4 3-1 THEORY OF OPERATION OPERATING SYSTEMS REFRIGERATION SYSTEM 3-2 WATER SYSTEM Page 3-4 OPERATIONAL CYCLES ICE MAKING CYCLE 3-5 HARVEST CYCLE DIAGNOSTICS / CLEAN CYCLE 3-6 NEW ICE MAKER CONTROL BOARD (#6100499) 3-7 MODELS WITH INTERNAL DRAIN PUMPS Page COMPONENT LOCATIONS 4-1 COMPONENT ACCESS 4-2 REMOVING THE BIN THERMISTOR, CUTTER GRID, EVAPORATOR THERMISTOR, & WATER DISTRIBUTOR 4-3 4-4 4-5 REMOVING THE ELECTRONIC CONTROL HOUSING COMPONENTS WARNING 4-6 4-7 REMOVING THE WATER RECIRCULATION PUMP 4-8 REMOVING THE CONDENSER FAN MOTOR WARNING 4-9 4-10 4-11 REMOVING THE EVAPORATOR 4-12 4-13 4-14 4-15 REMOVING THE WATER INLET VALVE 4-16 REMOVING THE HOT GAS VALVE & SOLENOID 4-17 REMOVING THE CONDENSER 4-18 REMOVING THE COMPRESSOR 4-19 4-20 REMOVING THE INTERNAL DRAIN PUMP (ONLY ON SOME MODELS) Page 4-22 REMOVING THE ICE MAKER DOOR & GASKET (18 MODELS) 4-23 4-24 4-25 REASSEMBLY NOTES: Page 5-1 COMPONENT TESTING BIN THERMISTOR EVAPORATOR THERMISTOR 5-2 CUTTER GRID CUTTER GRID TRANSFORMER 5-3 CONDENSER FAN MOTOR WATER RECIRCULATION PUMP 5-4 WATER INLET VALVE SOLENOID HOT GAS VALVE SOLENOID 5-5 COMPRESSOR, OVERLOAD PROTECTOR, & RELAY 5-6 5-7 PUSHBUTTON SWITCH ASSEMBLY Page 6-1 DIAGNOSIS & TROUBLESHOOTING EFFECT ON ICE MAKER WATER AND ITS EFFECT ON MAKING ICE INGREDIENT EFFECT CORRECTION EFFECT ON ICE QUALITY TROUBLESHOOTING CHART 6-3 6-4 6-5 DIAGNOSTIC FLOW CHART FOR ICE MAKER CONTROL BOARD #6100499 OVERVIEW 6-6 Flush Mode (5 minutes) 6-7 Idle Mode: 6-8 Freeze Mode: 6-9 Harvest Mode: Cooler Ambients (Below 90F) Warmer Ambients (Above 90F) 6-10 6-11 Service/Clean Mode (50 Min., 30 Sec.) Clean Mode (50 minutes): The Clean switch is continually checked, and may be selected at any time. Page Page 7-2 STRIP CIRCUITS HARVEST MODE ICE MAKING MODE 7-3 FIRST 25 SECONDS OF DIAGNOSTICS/CLEAN MODE COMPRESSOR RELAY LAST 47 MINUTES OF DIAGNOSTICS/CLEAN MODE ON/OFF/CLEAN SWITCH Page 8-1 TECH TIPS CLEANING THE ICE MAKER CLEANING THE EVAPORATOR PLATE 8-2 8-3 ADJUSTING THE ICE THICKNESS Normal Thick Thin Page PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION SOURCES

KitchenAid 7-3, FIRST 25 SECONDS OF DIAGNOSTICS/CLEAN MODE, LAST 47 MINUTES OF DIAGNOSTICS/CLEAN MODE

Models: KUIA15NLH KUIA15NRH KUIA15PLL KUIA15RRL KUIA18NNJ KUIA18PNL KUIS155H KUIS15NRH KUIS15PRH KUIS185J KUIS18NNJ

NOTE: Each relay on the electronic control board closes for five seconds in consecutive order.

The LED remains On through the entire Diagnostics cycle.

ON/OFF/CLEAN

SWITCH

ELECTRONIC

CONTROL

WATER RECIRCULATING PUMP

HOT GAS SOLENOID

OVERLOAD

LED

COMPRESSOR RELAY