Table Of Contents - Whirlpool WRX-17TM Service Manual

1. INTRODUCTION ...................................................................................................................................................... 3
2. PRESENTATION...................................................................................................................................................... 3
3. CONCEPT & TECHNOLOGY .................................................................................................................................. 3
3.1. ELECTRONIC SYSTEM ...................................................................................................................................3
3.2. AIR FLOW SYSTEM .........................................................................................................................................4
3.3. FUNCTIONS......................................................................................................................................................5
3.3.1. Adaptive Defrost ........................................................................................................................................5
4. MAIN COMPONENTS.............................................................................................................................................. 6
4.1. COOLING CIRCUIT ..........................................................................................................................................6
4.1.1. Compressor & Acessories .........................................................................................................................6
4.1.2. Condenser .................................................................................................................................................6
4.1.3. Evaporator .................................................................................................................................................7
4.2. DEFROST SYSTEM .........................................................................................................................................7
4.2.1. Defrost Heater............................................................................................................................................7
4.2.2. Defrost sensor............................................................................................................................................7
4.2.3. Thermofuse................................................................................................................................................8
4.3. FREEZER FAN MOTOR ...................................................................................................................................8
4.4. REFRIGERATOR FAN MOTOR .......................................................................................................................8
4.5. ELECTRONIC CONTROL.................................................................................................................................8
4.6. INTERFACE BOARD (LCD DISPLAY) .............................................................................................................9
5. TESTS ...................................................................................................................................................................... 9
5.1. INITIAL TEST ROUTINE (FACTORY ROUTINE).............................................................................................9
5.2. SERVICE TEST ROUTINE .............................................................................................................................10
5.3. SENSOR .........................................................................................................................................................11
5.4. ALARM SYSTEM ............................................................................................................................................12
5.4.1. Party Mode time exceeded ......................................................................................................................12
5.4.2. Temperature Alarm ..................................................................................................................................13
5.4.3. Open door ................................................................................................................................................13
5.5. TECHNICAL TROUBLESHOOTING...............................................................................................................13
6. REQUIRED TOOLS ............................................................................................................................................... 16
7. ASSEMBLAGE & DISMOUNT .............................................................................................................................. 16
7.1. ELECTRONIC CONTROL...............................................................................................................................16
7.2. INTERFACE BOARD - LCD DISPLAY...........................................................................................................17
7.3. LAMP SWITCH ...............................................................................................................................................18
7.4. AIR DIFFUSER................................................................................................................................................19
7.5. EVAPORATOR ...............................................................................................................................................20
7.6. SENSORS (REFRIGERATOR, FREEZER & DEFROST) ..............................................................................21
7.7. DOOR REVERSAL .........................................................................................................................................22
INDEX
2