Table Of Contents - Maytag ACD2234HR*ACD2238HT Series Service

Table of Contents

Important Information .................................................... 2
Product Design ............................................................. 4
Component Testing ....................................................... 5
Service Procedures ...................................................... 11
Service Equipment .................................................... 11
Drier Replacement .................................................... 11
Refrigerant Precautions ............................................. 12
Line Piercing Valves .................................................. 12
Open Lines ............................................................... 12
Compressor Operational Test .................................... 12
Dehydrating Sealed Refrigeration System ................. 13
Leak Testing ............................................................. 13
Testing Systems Containing a
Refrigerant Charge ................................................. 13
Testing Systems Containing
No Refrigerant Charge ............................................ 13
Restrictions ........................................................... 14
Symptoms ............................................................. 14
Testing for Restrictions .......................................... 14
Evacuation and Charging ....................................... 15
Evacuation ............................................................. 15
Charging ................................................................ 16
Refrigerant Charge ................................................. 16
HFC134a Service Information ................................. 17
Health, Safety, and Handling .................................. 17
Comparison of CFC12 and HFC134a Properties ..... 17
Replacement Service Compressor ......................... 18
Compressor Testing Procedures ............................ 18
Brazing .................................................................. 18
Refrigerant Flow 22, 23, 26 cu. ft .................................. 19
Cabinet Air Flow 22, 23, 26 cu. ft .................................. 20
Ice and Water Flow Diagram ........................................ 21
Water Valve Diagram .................................................... 22
Typical External Sweat Pattern...................................23
Troubleshooting Chart................................................24
System Diagnosis ........................................................ 27
Disassembly Procedures ............................................. 30
Refrigerator Compartment ...................................... 30
Light Switch ........................................................... 30
Cold Control,Defrost Timer, Damper Control
Assembly (some models) ..................................... 30
Freezer Cold Control (some models) ...................... 30
Mid Level Electronic Control (some models) .......... 30
Defrost Timer (some models) ................................. 30
Adaptive Defrost Control (ADC) (some models) ...... 31
Damper Control (some models) ............................. 31
Electronic Damper Control (some models) ............. 31
Fresh Food Thermistor ........................................... 31
Water Filter Assembly (some models) ................... 31
Water Tank Assembly (some models) .................... 31
Crisper Light Cover and Socket .............................. 31
Freezer Compartment .................................................. 31
Freezer Light Socket ............................................. 31
Auger Motor Assembly (some models) .................. 32
Auger Motor (some models) ................................... 32
Auger Motor Capacitor (some models) ................... 32
Evaporator Fan Motor Assembly ............................ 32
Evaporator Fan Motor and Fan Blade ..................... 32
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Freezer Thermistor ................................................. 32
Evaporator Removal ............................................... 32
Defrost Terminator (Thermostat) ............................. 33
Defrost Heater ....................................................... 33
Ice Maker Removal (some models) ........................ 33
Machine Compartment ................................................. 33
Water Valve ........................................................... 33
Condenser Fan Motor and Blade ............................ 33
Compressor ........................................................... 33
Condensate Drain Tube .......................................... 34
Condensate Drain Pan ........................................... 34
Overload/Relay ...................................................... 34
Condenser Removal ............................................... 34
Bottom Of Cabinet ....................................................... 34
Front Leveling Rollers ............................................ 34
Rear Leveling Rollers ............................................. 34
Cabinet Doors .............................................................. 35
Door Gaskets ........................................................ 35
Dispenser Facade (some models) ........................ 35
Dispenser Ice Chute Door (some models) .............. 35
Dispenser Light Socket (some models) ................. 35
Dispenser D/C Solenoid (some models) ................. 35
Dispenser Water Tube ........................................... 35
Ice 'N Water Systems .................................................. 36
Troubleshooting of 5 button electronic
Ice 'N Water dispenser .......................................... 36
Troubleshooting of 3 button electronic
Ice 'N Water dispenser .......................................... 40
Control Board (Mid Level) ............................................. 43
Programming Mode: .............................................. 43
Defrost Operation ................................................... 43
Forced Defrost Mode ............................................. 43
Service Test Mode ................................................. 44
Service Test 1-Defrost Thermostat & Defrost Circuit
Test ....................................................................... 44
Service Test 2-Compressor/Condenser Fan Test .... 45
Service Test 3-Evaporator/Freezer Fan Test ........... 45
Service Test 4-Fresh Food Thermistor Test ............ 45
Service Test 5-Freezer Thermistor Test .................. 46
Service Test 6-Open Damper Test .......................... 46
Service Test 7-FF Performance Adjustment ............ 46
Service Test 8 FZ Performance Adjustment ............ 47
Show Room Mode ................................................. 47
Thermistor Resistance Chart .................................. 47
Control Board (Fully Electronic) .................................... 48
Programming Mode: .............................................. 48
Defrost Operation ................................................... 48
Forced Defrost Mode ............................................. 48
Service Test Mode ................................................. 48
Show Room Mode ................................................. 51
Sabbath Mode ....................................................... 51
Fahrenheit or Celsius Mode ................................... 51
Cooling Fan Mode .................................................. 51
Alarm Enable Mode .............................................. 52
Light Level Mode (Select Models) .......................... 52
Appendix A
Owner's Manual ........ ........................................A-2
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