Maytag MFI2266AES Service Manual - Page 3

Table of Contents Important Information 2 Product Design 4 Component Testing 5 Service Procedures 10 Service Equipment 10 Drier Replacement 10 Refrigerant Precautions 11 Line Piercing Valves 11 Open Lines 11 Compressor Operational Test 11 Dehydrating Sealed Refrigeration System 12 Leak Testing 12 Testing Systems Containing a Refrigerant Charge 12 Testing Systems Containing No Refrigerant Charge 12 Restrictions 13 Symptoms 13 Testing for Restrictions 13 Evacuation and Charging 14 Evacuation 14 Charging 15 Refrigerant Charge 15 HFC134a Service Information 16 Health, Safety, and Handling 16 Comparison of CFC12 and HFC134a Properties ..... 16 Replacement Service Compressor 17 Compressor Testing Procedures 17 Brazing 17 Refrigerant Flow 20, 22, 25 cu. ft 18 Cabinet Air Flow 20, 22, 25 cu. ft 19 20, 22, 25 cu. ft Machine Compartment Air Flow Diagram 20 Water Dispenser Flow 21 Water Flow Schematic 22 Typical External Sweat Pattern 23 Troubleshooting Chart 24 System Diagnosis 27 Disassembly Procedures Door Removal Fresh Food Doors 30 Freezer Drawer 30 Refrigerator Compartment Upper Light Bulb Cover 30 Light Bulb Assembly 30 Light Bulb Sockets 30 Light Switches 30 Fresh Food Thermistor 31 Water Tank 31 Water Dispenser Facade 31 Low Voltage Board 31 Chute Extension / Yoke Assembly 31 Ice Box Compartment Ice Bin Assembly 31 Icemaker Assembly 31 Ice Box Fan 31 Auger Motor 31 Solenoid 32 Damper 32 Ice Box Thermistor 32 Freezer Compartment Freezer Thermistor 32 Light Socket 32 Light Switch 32 Freezer Back Panel 33 Evaporator Fan and Evaporator Motor 33 Defrost Terminator (thermostat 33 Defrost Heater 33 Evaporator Removal 33 Drawer Assembly 34 Drawer Rails 34 Rack and Pinion Gear 34 Bottom of Cabinet Front roller assembly 34 Rear roller assembly 34 Machine Compartment Condenser Fan and Fan motor 34 Compressor 34 Overload/Relay/Capacitor 35 Condensate Drain Pan 35 Condensate Drain Tube 35 Condenser Removal 35 Cabinet Back High Voltage Board 35 Control Board (Fully Electronic) Programming Mode 36 Defrost Operation 36 Forced Defrost Mode 36 Service Test Mode 37 Show Room Mode 40 Appendix A Owner's Manual A-1 ©2006 Maytag Services 16026312 3