KitchenAid KUIA15NLH, KUIA15NRH, KUIA15PLL, KUIA15RRL, KUIA18NNJ, KUIA18PNL, KUIS155H, KUIS15NRH, KUIS15PRH, KUIS185J, KUIS18NNJ COMPONENT ACCESS

4-1

COMPONENT LOCATIONS

This section instructs you on how to service each component inside the KitchenAid Automatic Ice

Maker. The components and their locations are shown below.

COMPONENT ACCESS

Pushbutton Switch

Assembly

Electronic Control Board

Light Switch

Cutter Grid

Cutter Grid Transformer

Evaporator

Compressor

Condenser Fan Motor

Hot Gas Valve & Solenoid

(Behind Condenser)

Condenser

NOTE: The Evaporator

Thermistor Is Located On

Tubing Below The Evaporator

Water Inlet Valve

Water Recirculation Pump

Bin Thermistor

Condenser Accumulator Tube

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 COMPONENT ACCESS

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

4-1

COMPONENT LOCATIONS

This section instructs you on how to service each component inside the KitchenAid Automatic Ice

Maker. The components and their locations are shown below.