321023
5
8.3.3
Service Test Mode...........................................................................................................58
8.3.4
Service Test Mode – Navigation......................................................................................58
8.3.4.1
Service Test 1 – Defrost Thermostat & Defrost Circuit Test.....................................59
8.3.4.2
Service Test 2 - Compressor/Condenser Fan Test. .................................................59
8.3.4.3
Service Test 3 - Evaporator/Freezer Fan Test. ........................................................59
8.3.4.4
Service Test 4 - Refrigerator Thermistor Test. .........................................................60
8.3.4.5
Service Test 5 - Freezer Thermistor Test.................................................................60
8.3.4.6
Service Test 6 - Open Damper Test.........................................................................61
8.3.4.7
Service Test 7 - Refrigerator Performance Adjustment............................................61
8.3.4.8
Service Test 8 - Freezer Performance Adjustment. .................................................62
8.3.5
Show Room Mode ...........................................................................................................62
8.4
Troubleshooting Flow Chart (RX256DT4X1, RX256ET2B1, RX256ET2W1).........................63
8.4.1
Compressor Does Not Turn On.......................................................................................63
8.4.2
Evaporator Fan Does Not Turn On..................................................................................64
8.4.3
Damper Does Not Move ..................................................................................................65
8.4.4
Damper Opens and Never Closes...................................................................................66
8.4.5
Flashing Display at Power Up .........................................................................................67
8.4.6
Blank Display...................................................................................................................68
8.5
Defrost Cycle..........................................................................................................................69
9
ELECTRONIC TROUBLESHOOTING ..........................................................................................70
9.1
Models RX256DTX1, RX256ET2B1, RX256ET2W1..............................................................70
10
GENERAL TROUBLESHOOTING ..........................................................................73
11
DISASSEMBLY PROCEDURES .............................................................................75
11.1
Fresh Food Compartment ......................................................................................................75
11.1.1
Light Switch .....................................................................................................................75
11.1.2
Electronic Control (Full Electronic Specification Model (RX256DT7X1)) ........................75
11.1.3
Ice And Water Dispenser Board ......................................................................................75
11.1.4
Main Control Board (Full Electronic Specification Model (RX256DT7X1))......................77
11.1.5
Electronic Control (Mid Electronic Specification Models (RX256DT4X1, RX256ET2B1,
RX256ET2W1)) ...............................................................................................................77
11.1.6
Electronically Controlled Damper ....................................................................................79
11.1.7
Fresh Food Thermistor ....................................................................................................79
11.1.8
Water Filter Assembly .....................................................................................................79
11.1.9
Water Tank Assembly .....................................................................................................79
11.1.10
Crisper Light Cover and Socket.......................................................................................80
11.2
Freezer Compartment ............................................................................................................80
11.2.1
Freezer Light Socket .......................................................................................................80
11.2.2
Auger Motor Assembly ....................................................................................................80
11.2.3
Auger Motor.....................................................................................................................80
11.2.4
Auger Motor Capacitor ....................................................................................................80
11.2.5
Evaporator Fan Motor Assembly .....................................................................................80
11.2.6
Evaporator Fan Motor and Fan Blade .............................................................................81
11.2.7
Freezer Thermistor ..........................................................................................................81
11.2.8
Evaporator Removal........................................................................................................81
11.2.9
Defrost Terminator (Thermostat) .....................................................................................81
11.2.10
Defrost Heater .................................................................................................................83
11.2.11
Ice Maker Removal..........................................................................................................83
11.3
Machine Compartment ...........................................................................................................83
11.3.1
Water Valve .....................................................................................................................83
11.3.2
Condenser Fan Motor and Blade ....................................................................................84
11.3.3
Compressor .....................................................................................................................84
11.3.4
Condensate Drain Tube ..................................................................................................84
11.3.5
Condensate Drain Pan ....................................................................................................84
Summary of Contents for RX256DT4X1
Page 11: ...321023 11 2 3 Refrigerant Flow...
Page 12: ...321023 12 2 4 Cabinet Air Flow...
Page 13: ...321023 13 2 5 Ice And Water Dispenser Diagram...
Page 14: ...321023 14 2 6 Water Valve Diagram...
Page 15: ...321023 15 2 7 Typical External Sweat Pattern...
Page 16: ...321023 16 3 INSTALLATION...
Page 17: ...321023 17...
Page 18: ...321023 18...
Page 76: ...321023 76 Ice Water Dispensing Board...
Page 78: ...321023 78 Mid Electronic Specification Control RX256DT4X1 RX256ET2B1 RX256ET2W1...
Page 104: ...321023 104 14 WIRING DIAGRAMS 14 1 Wiring Schematic RX256DT7X1...
Page 105: ...321023 105 14 2 Wiring Diagram RX256DT7X1...
Page 106: ...321023 106 14 3 Wiring Schematic RX256DT4X1 RX256ET2B1 RX256ET2W1...
Page 107: ...321023 107 14 4 Wiring Diagram RX256DT4X1 RX256ET2B1 RX256ET2W1...
Page 108: ...321023 108 NOTES...