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Troubleshooting and Repairing Major Appliances, 3rd Edition

Book Description

Diagnose and repair home appliances and air conditioners using the latest techniques

"The book has it all...written by a pro with 40 years of hands-on repair and teaching experience...this book is like brain candy"--GeekDad (Wired.com)

Fully updated for current technologies and packed with hundreds of photos and diagrams, this do-it-yourself guide shows you how to safely install, operate, maintain, and fix gas and electric appliances of all types. Troubleshooting and Repairing Major Appliances, Third Edition provides easy-tofollow procedures for using test meters, replacing parts, reading circuit diagrams, interpreting fault and error codes, and diagnosing problems. Featuring a new chapter on becoming a service technician, this practical, money-saving resource is ideal for homeowners and professionals alike.

Covers all major appliances:

  • Automatic dishwashers
  • Garbage disposers
  • Electric water heaters
  • Gas water heaters
  • Top load automatic washers
  • Front load automatic washers
  • Automatic electric dryers
  • Automatic gas dryers
  • Electric ranges, cooktops, and ovens
  • Gas ranges, cooktops, and ovens
  • Microwave ovens
  • Refrigerators
  • Freezers
  • Automatic ice makers
  • Residential under-the-counter ice cube makers
  • Room air conditioners
  • Dehumidifiers

Table of Contents

  1. Cover 
  2. Copyright
  3. About the Author
  4. Contents 
  5. Acknowledgments
  6. Introduction
  7. Part I Fundamentals of Service
    1. 1 Selecting, Purchasing, and Installing Major Home Appliances and Air Conditioners
      1. Electric and Gas Ranges, Cooktops, and Ovens
        1. Freestanding Ranges
        2. Slide-In Ranges and Drop-In Ranges
        3. Built-In Cooktops
        4. Built-In Ovens
        5. Microwave Ovens
      2. Checklist for Cooking Products
      3. Refrigerators and Freezers
        1. Compact and Portable Refrigerators
        2. Single-Door Refrigerators
        3. Two-Door Refrigerators
        4. Two-Door Refrigerators with Bottom Freezers
        5. Side-by-Side Refrigerators
      4. Freezers
        1. Checklist for Refrigerator and Freezer Products
      5. Dishwashers
        1. Built-In Dishwashers
        2. Convertible/Portable Dishwashers
        3. Undersink Dishwashers
        4. Dishwasher-Sink Combination
        5. Checklist for Dishwashers
      6. Laundry Equipment
        1. Automatic Washers
        2. Top-Loading Automatic Washers
        3. Front-Loading Automatic Washers
        4. Compact Automatic Washers
        5. Automatic Dryers
        6. Checklist for Washers and Dryers
      7. Air Conditioners
        1. Sizing Room Air Conditioners
      8. How to Purchase the Best Air Conditioner or Appliance Value Using the EnergyGuide Label
      9. Major Appliance Consumer Action Panel (MACAP)
        1. Purchasing Decisions
      10. Appliance Warranties
        1. Full vs. Limited Warranties
        2. Warranty Time Limitations
      11. Appliance Installation Instructions
        1. Appliance Use and Care Manual
      12. Where to Get Help
      13. Product Recalls and the Internet
      14. National Appliance Service Technicians Certification (NASTeC)
      15. Endnotes
    2. 2 Safety Precautions
      1. Safety Procedures
        1. Individual Safety Precautions
        2. Electrical Safety Precautions
        3. Gas Safety Precautions
        4. Chemical Safety Precautions
        5. Appliance and Air Conditioner Safety
        6. Operating Safety
        7. Installation Safety Precautions
      2. Grounding of Appliances
      3. Checking Appliance and Air Conditioner Voltage
      4. What to Do If You Smell Gas
    3. 3 Tools Needed for Installation and Repair
      1. Safety Precautions
        1. Individual Safety Precautions
        2. Safety Precautions When Handling Tools
      2. Screwdrivers
      3. Nut Drivers
      4. Wrenches
      5. Hammers
      6. Prying Tools
      7. Pliers
      8. Cutting Tools
      9. Power Tools
      10. Specialty Tools
      11. Test Meters
        1. Advantages of Digital Meters
    4. 4 Becoming a Professional Technician
      1. What Is Customer Satisfaction?
      2. Customer Satisfaction Is Important for Business
      3. Why Is Customer Satisfaction Important to the Technician?
      4. What Does the Customer Expect of the Service Technician?
      5. How Can a Service Technician Increase Customer Satisfaction Skills?
      6. Communication Skills
        1. Verbal Communication
        2. Nonverbal Communication
        3. Paraverbal Communication
        4. Customer Empathy
        5. Listening to the Customer
        6. Reflective Listening Skills (Feedback)
        7. Paraphrasing
        8. Asking Questions
      7. Preparing for a Service Call
      8. Prescreen the Service Call for Parts
      9. Proper Grooming for a Service Technician
      10. When You Arrive at the Service Call
      11. Repairing the Appliance or Air Conditioner
      12. Follow-Up Calls
      13. Things to Avoid While on a Service Call
      14. How to Turn Customer Dissatisfaction into Customer Satisfaction
      15. Angry Customers
        1. Don’t Lose Your Cool
        2. Encourage the Customer to Vent Their Emotions
        3. Find Out the Facts
        4. Understand Your Customer’s Feelings
        5. Suggest a Way to Fix the Problem
        6. End on a Positive Note
      16. Never Stop Learning
    5. 5 Basic Techniques
      1. Product Failure
      2. Diagnosis and Correction Procedure
      3. Technicians Diagnostic Guide
  8. Part II Electricity, Electronics, and Gas
    1. 6 Electricity
      1. Electrical Wiring
      2. What Is a Circuit?
      3. Circuit Components
      4. Three Kinds of Circuits
        1. Series Circuit
        2. Parallel Circuits
        3. Series-Parallel Circuits
      5. Types of Shorts in a Circuit
      6. Strip Circuits
      7. Types of Electric Current
        1. Theory of Current Flow
      8. Ohm’s Law
      9. Ohms
      10. Amperes
      11. Volts
      12. Watts
      13. Ohm’s Law Equation Wheel
      14. Wiring Diagram Symbols
      15. Terminal Codes
      16. Timer Sequence (Esterline) Charts
      17. Wiring Diagrams
      18. Sample Wiring Diagrams
      19. How to Read the Volt-Ohm-Milliammeter Test Instrument
      20. Measuring Voltage
        1. Making the Measurement
      21. Selecting the Scales
      22. Reading the AC Voltage Scale
      23. Measuring Line Voltage
      24. Testing for Ground and Polarity
      25. Measuring 240-Volt Receptacles
        1. Testing a Three-Wire Receptacle for 240 Volts
        2. Testing a Four-Wire Receptacle for 240 Volts
      26. Measuring Resistance (OHMS)
      27. Setting Up the Meter
      28. Electrical Safety Precautions
      29. Operating Appliances and Room Air Conditioners on a Generator
      30. Flowcharts
    2. 7 Electronics
      1. Simplified Circuits
      2. Electronic Controls
        1. Low-Voltage Board
        2. High-Voltage Relay Board
        3. Touchpad (Customer Interface)
      3. Three-Board Electronic Control System
      4. Troubleshooting Circuits
      5. Two-Board Electronic Control System
      6. Motor Board Electronic Control System
      7. Resistors
        1. Resistance Color Bands
      8. Thermistor
      9. Diodes
        1. Testing a Diode
      10. Bridge Rectifier
      11. Triac
        1. Testing a Triac
      12. Transistor
      13. Integrated Circuits and Circuit Boards
      14. LED Multiple Segment Displays
      15. Electrostatic Discharge
    3. 8 Gas
      1. Gas Safety
      2. Types of Gas
        1. Natural Gas
        2. Liquefied Petroleum Gas
      3. Combustion
      4. Carbon Monoxide
        1. Testing for Carbon Monoxide
      5. Flue Gases
      6. The “Flame”
        1. Air Supply
        2. Flame Appearance
        3. Flame Lifting
        4. Flashback
        5. Yellow Flame Tips
      7. Appliance Burner Components
        1. Gas Orifice
        2. Air Shutter
        3. Venturi Throat
        4. Mixing Tube
        5. Burner Head
        6. Burner Ports
      8. Burner Operation
      9. Ventilation
        1. Troubleshooting Ventilation Problems
      10. Measuring Gas Pressure
      11. Testing for Gas Leaks
        1. Combustible Gas Detector
      12. Gas Conversion Procedures
        1. Gas Pressure Regulator
        2. Converting Surface Burners
        3. Converting the Oven Bake Burner
        4. Converting the Oven Broil Burner
        5. Converting the Bake/Broil Thermostat
      13. Gas Appliance Maintenance
  9. Part III Refrigeration and Air Conditioning
    1. 9 Principles of Air Conditioning and Refrigeration
      1. Introduction to Air Conditioning and Refrigeration
      2. Saving the Ozone Layer
      3. Matter
        1. Change of State
      4. Law of Thermodynamics
      5. It’s All About Heat
        1. Methods of Heat Transfer
      6. Refrigerants
      7. Room Air Conditioner vs. Refrigerator/Freezer
      8. The Basic Refrigeration Cycle
      9. Refrigeration Components
        1. Compressor
        2. Compressor Safety
        3. Trained Personnel Only
        4. Terminal Venting and Electrocution
        5. Compressor Motor Starting Relays
        6. Current Type Relay
        7. PTC Type Relay
        8. Compressor Thermal Protectors (Overloads)
        9. Condenser Coil
        10. Evaporator Coil
        11. Metering Device
      10. Other Components Used in the Sealed Refrigeration System
      11. Diagnosing Sealed Systems
  10. Part IV Parts
    1. 10 Electric Appliance and Air Conditioner Parts
      1. The Switch
        1. Pressure Switch
        2. Thermostat
        3. Electromechanical Timer
        4. The Motor
        5. The Cam Switches
        6. The Escapement
      2. Relays
      3. Solenoids
      4. Water Valves
      5. Motors
      6. Compressors
      7. Capacitors
        1. Testing a Capacitor
      8. Heating Elements
      9. Mechanical Linkages
      10. Wires
      11. How to Strip, Splice, Solder, and Install Solderless and Terminal Connectors, and How to Use Wire Nuts on Wires
      12. Circuit Protection Devices
    2. 11 Electronic Parts
      1. Electronic Components in General
      2. How Electronic Appliances and Air Conditioners Operate
      3. Electrostatic Discharge
      4. Testing Printed Circuit Boards
        1. Touch Panel Membrane
        2. Transformer
        3. Circuit Board
      5. Integrated Circuit Chip
      6. Resistors
      7. Sensors
      8. Temperature Detectors
        1. Thermistor
        2. Thermocouple
        3. Resistance Temperature Detector
      9. Thermopile
      10. Transducer
      11. Diode
        1. LED
        2. Bridge Rectifier
        3. Triac
      12. Transistor
      13. Inverter Board
      14. Piezoelectric Ignitor
    3. 12 Gas Appliance Parts
      1. Controls
        1. Pressure Regulator Controls
        2. Water Heater Thermostat/Regulator Combination Control
        3. Safety Valve
        4. Dryer Gas Valve
      2. Sensing Devices
        1. Resistance Temperature Detector
        2. Thermocouple
        3. Flame Sensors
      3. Ignition
        1. Glow-Bar Ignitor
        2. Spark Electrode Ignitor
        3. Spark Module
  11. Part V Error/Fault or Function Codes
    1. 13 Error/Fault or Function Codes
      1. Error/Fault or Function Codes
        1. Admiral Oven and Range Error/Fault or Function Codes
        2. ASKO Dishwasher Error/Fault or Function Codes
        3. ASKO Washer Error/Fault or Function Codes
        4. ASKO Dryer Error/Fault or Function Codes
        5. Dacor Oven and Range Error/Fault or Function Codes
        6. Estate Oven and Range Error/Fault or Function Codes
        7. Friedrich Room Air Conditioner Error/Fault or Function Codes
        8. Frigidaire/Electrolux Dishwasher Error/Fault or Function Codes
        9. Frigidaire/Electrolux Washer Error/Fault or Function Codes
        10. Frigidaire/Electrolux Dryer Error/Fault or Function Codes
        11. Frigidaire/Electrolux Refrigerator Error/Fault or Function Codes
        12. General Electric and Hotpoint Room Air Conditioner Error/Fault or Function Codes
        13. General Electric and Hotpoint Dishwasher Error/Fault or Function Codes
        14. General Electric and Hotpoint Microwave Error/Fault or Function Codes
        15. General Electric and Hotpoint Range Error/Fault or Function Codes
        16. JennAir Oven and Range Error/Fault or Function Codes
        17. LG Dishwasher Error/Fault or Function Codes
        18. LG Side X Side Refrigerator Error/Fault or Function Codes
        19. LG French Door Refrigerator Error/Fault or Function Codes
        20. LG Washer Error/Fault or Function Codes
        21. LG Frontload Washer Error/Fault or Function Codes
        22. Maytag Laundry Center Error/Fault or Function Codes
        23. Maytag Washer Error/Fault or Function Codes
        24. Maytag Dryer Error/Fault or Function Codes
        25. Maytag/Jenn-Air Oven Error/Fault or Function Codes
        26. KitchenAid/Roper/Whirlpool Gas and Electric Range Error/Fault or Function Codes
        27. Samsung Freezer Error/Fault or Function Codes
        28. Samsung Refrigerator Error/Fault or Function Codes
        29. Samsung Refrigerator Single Evaporator Error/Fault or Function Codes
        30. Samsung RB Series Refrigerator Error/Fault or Function Codes
        31. Samsung Washer Error/Fault or Function Codes
        32. Samsung Dryer Error/Fault or Function Codes
        33. Samsung Range Error/Fault or Function Codes
        34. Samsung Dishwasher Error/Fault or Function Codes
        35. Sears Appliances
        36. Thermador Oven and Range Error/Fault or Function Codes
        37. Whirlpool Room Air Conditioner Error/Fault or Function Codes
        38. Whirlpool and KitchenAid Microwave Error/Fault or Function Codes
        39. Whirlpool Front-Load Washer Error/Fault or Function Codes
        40. Whirlpool Front-Load Dryer Error/Fault or Function Codes
      2. Who Makes What?
      3. Where to Locate the Model and Serial Numbers on the Appliances
  12. Part VI Appliance Service, Installation, and Preventive Maintenance Procedures
    1. 14 Automatic Dishwashers
      1. Principles of Operation
      2. Safety First
      3. Dishwashers in General
        1. Location and Installation of a Dishwasher
        2. Functions and Cycles
        3. Water Temperature
        4. The Detergent
      4. Loading the Dishwasher
      5. Types of Dishwasher Systems
        1. Water Fill Cycle
        2. Water Circulation Systems
        3. Motor/Pump Assemblies
        4. Dishwasher Filtering Systems
        5. Dispensing Systems
        6. Drying Systems
      6. Step-by-Step Troubleshooting by Symptom Diagnosis
      7. Common Washability Problems
        1. Poorly Cleaned Dishes
        2. Etching
        3. Discoloration
        4. Lime Deposits on the Dishwasher Interior
        5. Suds or Foam in Dishwasher
        6. Darkened Aluminum
        7. Discoloration of Copper
        8. Cracking (Crazing) of China
        9. Chipping of China and Crystal
        10. Metal Marks on Dishes and Glassware
        11. Staining of Melamine Dinnerware
        12. Melting or Warping of Plastic Items
        13. Discoloration of Silverplate
        14. Tarnishing of Silverware (Sterling or Silverplate)
        15. Bluish Discoloration of Stainless Steel
        16. Corrosion or Rusting of Stainless Steel
      8. Dishwasher Maintenance
      9. Repair Procedure
        1. Water Inlet Valve
        2. Motor and Pump Assembly
        3. Dishwasher Timer
        4. The Dishwasher Door Is Hard to Close
        5. Dishwasher Heating Element
        6. Cycle Selector Switch
        7. Dishwasher Door Switch
        8. Float and Float Switch
        9. Wetting Agent and Detergent Dispensers
        10. Water Heater Operating Thermostat or Thermistor
        11. High-Limit Heater Thermostat
        12. Dishwasher Motor Start Relay
        13. Electronic Control Board, Display Board, and Touch Pad Panel
      10. Turbidity Sensor
      11. Diagnostic Charts
    2. 15 Garbage Disposers
      1. Types
        1. Continuous Feed Disposers
        2. Batch Feed Disposers
      2. Principles of Operation
      3. Safety First
      4. Garbage Disposers in General
        1. To Free Jams from Foreign Objects
        2. Installation of Garbage Disposer
      5. Garbage Disposer Maintenance
        1. Drain Blockage
      6. Step-by-Step Troubleshooting by Symptom Diagnosis
      7. Repair Procedure
        1. Garbage Disposer Assembly
      8. Diagnostic Charts
    3. 16 Electric Water Heaters
      1. Principles of Operation
      2. Safety First
      3. Electric Water Heaters in General
      4. Electric Water Heater Maintenance
      5. Step-by-Step Troubleshooting by Symptom Diagnosis
      6. Repair Procedures
        1. Upper Thermostat
        2. Lower Thermostat
        3. Heating Element
      7. Diagnostic Charts
      8. Help on the Internet
    4. 17 Gas Water Heaters
      1. Principles of Operation
      2. Safety First
      3. Gas Water Heaters in General
      4. Gas Water Heater Maintenance
      5. Thermal Expansion
      6. Water Hammer
      7. Negative Air Pressure
      8. Draft Test
      9. Step-by-Step Troubleshooting by Symptom Diagnosis
      10. Repair Procedures
        1. Burner/Manifold Assembly
        2. Combination Control Valve
        3. Thermocouple
        4. Ignitor
      11. Water Heater Leakage Inspection Points
      12. Diagnostic Charts
      13. Formulas and Facts
        1. Electric Water Heaters
        2. Gas Water Heaters
        3. Formula for Mixing Hot Water
        4. Electric Working Formulas That Apply to Water Heaters
      14. Help on the Internet
    5. 18 Top Load Automatic Washers
      1. Principles of Operation
        1. Functions and Cycles
      2. Safety First
      3. Automatic Washers in General
        1. Location and Installation of the Top Load Automatic Washer
        2. Common Installation Problems
        3. Water Supply
        4. Drain Requirements
        5. Detergent
      4. Step-by-Step Troubleshooting by Symptom Diagnosis
      5. Common Washability Problems
        1. Stains on the Clothing
        2. Yellowing in Fabric
        3. Fabric Softener Stains
        4. Lint
      6. Automatic Washer Maintenance
        1. Cleaning the Interior of the Top Load Automatic Washer
      7. Repair Procedures
        1. Washer Timer
        2. Electronic Control Board and User Interface Controls
        3. Water Temperature Selector Switch
        4. Water Valve
        5. Washer Motor (Older Models)
        6. Washer Motor (Direct-Drive Models)
        7. Front Serviceable Washer
        8. Capacitor
        9. Drive Belt
        10. Water Level Control
        11. Lid Switch
        12. Water Pump
        13. Inner Basket
        14. Hoses
        15. Clutch
        16. Transmission
        17. Direct-Drive Washer Transmission and Brake/Drive Assembly
      8. Diagnostic Charts
    6. 19 Front Load Automatic Washers
      1. Principles of Operation
        1. Functions and Cycles
      2. Safety First
      3. Automatic Front Load Washers in General
        1. Location and Installation of Automatic Front Load Washers
        2. Common Installation Problems
        3. Water Supply
        4. Drain Requirements
        5. Electrical Requirements
        6. HE (High-Efficiency) Detergent
      4. Step-by-Step Troubleshooting by Symptom Diagnosis
      5. Common Washability Problems
        1. Stains on the Clothing
        2. Yellowing in Fabric
        3. Fabric Softener Stains
        4. Lint
      6. Automatic Washer Maintenance
        1. Cleaning the Door Seal Gasket (Boot)
        2. Cleaning the Dispenser Drawer
        3. Maintain Washer Freshness
        4. Winterize Washer
      7. Repair Procedures
        1. Washer Timer
        2. Electronic Control Board and User Interface Controls
        3. Door Lock
        4. Line Filter
        5. Dispenser Assembly
        6. Water Level Control
        7. Water Valve
        8. Drive Belt
        9. Drain Pump Motor
        10. Heater Assembly
        11. Inverter (Motor Speed Control Board)
        12. Drive Motor
      8. Wiring Schematic Diagrams
    7. 20 Automatic Electric Dryers
      1. Principles of Operation
        1. Functions and Cycles
      2. Safety First
      3. Automatic Electric Dryers in General
        1. Electrical Requirements
        2. Electrical Tests for Electric Dryers
        3. Location and Installation of Dryer
        4. Proper Exhausting of the Dryer
      4. Step-by-Step Troubleshooting by Symptom Diagnosis
      5. Common Drying Problems
        1. Lint
        2. Shrinkage
        3. Stains
        4. Static Electricity
        5. Wrinkling
      6. Electric Dryer Maintenance
      7. Repair Procedures
        1. Dryer Timer
        2. Electronic Control Board and User Interface Controls
        3. Dryer Motor
        4. Drive Belt
        5. Heater Element
        6. Door Switch
        7. Thermostat
        8. Thermistor
        9. Start Switch
        10. Drum Roller
        11. Idler Pulley
        12. Temperature Selector Switch
        13. Belt Switch
      8. Diagnostic Charts
    8. 21 Automatic Gas Dryers
      1. Safety First
      2. Automatic Gas Dryers in General
        1. Gas Supply Requirements
        2. Gas Tests for Gas Dryers
      3. Principles of Operation
        1. Functions and Cycles
        2. Electrical Requirements and Tests for Gas Dryers
      4. Gas Dryer Maintenance
        1. Vent System
        2. Proper Exhausting of the Dryer
      5. Step-by-Step Troubleshooting by Symptom Diagnosis
      6. Repair Procedures
        1. Electronic Control Board and User Interface Controls
        2. Dryer Motor
        3. Drive Belt
        4. Door Switch
        5. Thermostat
        6. Thermistor
        7. Start Switch
        8. Temperature Selector Switch
        9. Belt Switch
        10. Burner Assembly
      7. Diagnostic Charts
    9. 22 Electric Ranges, Cooktops, and Ovens
      1. Principles of Operation
      2. Safety First
      3. Electric Ranges, Ovens, and Cooktops in General
        1. Location and Installation of Electric Range, Oven, or Cooktop
      4. Step-by-Step Troubleshooting by Symptom Diagnosis
      5. Range, Oven, and Cooktop Maintenance
      6. Repair Procedures
      7. Surface Element (Burner) Control Systems
        1. Standard Infinite (Burner) Switch
        2. Dual Infinite (Burner) Switch
        3. Electronic Element (Burner) Control System
        4. Surface Calrod (Burner) Element
        5. Solid-Disc Elements
        6. Radiant Heating Element
        7. Bake Element
        8. Broil Element
        9. Oven Selector Switch
        10. Oven Thermostat
        11. Oven Temperature Sensor
        12. Oven Cycling Relay
        13. Range/Oven Time Clock
        14. Electronic Control Board and User Interface Controls
      8. Diagnostic Charts and Wiring Diagrams
    10. 23 Gas Ranges and Ovens
      1. Principles of Operation
      2. Safety First
      3. Gas Ranges, Ovens, and Cooktops in General
        1. Location and Installation of Gas Range, Oven, and Cooktop
      4. Step-by-Step Troubleshooting by Symptom Diagnosis
      5. Gas Appliance Maintenance
      6. Repair Procedures
        1. Gas Burner Valve
        2. Ignitor Switch
        3. Surface Burner Ignitor
        4. Spark Module
        5. Glow-Bar Ignitor
        6. Pressure Regulator Valve
        7. Safety Valve
        8. Electronic Control Board and User Interface Controls
        9. Oven Temperature Sensor
        10. Thermostat (Standing Pilot)
        11. Range/Oven Time Clock
      7. Flame Adjustments
      8. Diagnostic Charts and Wiring Diagrams
    11. 24 Microwave Ovens
      1. Safety First
      2. Principles of Operation
        1. Microwave High-Voltage Circuit
        2. Location and Installation of Microwave Ovens
      3. Microwave Ovens in General
      4. Step-by-Step Troubleshooting by Symptom Diagnosis
      5. Microwave Oven Maintenance
        1. Recipe for Microwave Oven Odor Removal
      6. Microwave Leakage Testing
      7. Microwave Oven Magnetron Power Output Test
      8. Repair Procedures
        1. Electronic Control Board, Touchpad Panel, or Display Board
        2. Magnetron
        3. High-Voltage Transformer
        4. Inverter Board
        5. High-Voltage Diode
        6. High-Voltage Capacitor
        7. Microwave Oven Thermostats
        8. Microwave Oven Door Switches
        9. Temperature Probe
        10. Humidity Sensor
        11. Stirrer Motor
        12. Turntable Motor
        13. Cooling Fan Motor
        14. Exhaust Fan Motor
      9. Diagnostic Chart and Wiring Diagrams
    12. 25 Refrigerators
      1. The Refrigeration Cycle
      2. Refrigerator Automatic Defrost Systems
        1. Storage Requirements for Perishable Products
      3. Safety First
      4. Refrigerators in General
        1. Location and Installation of Refrigerator
        2. What’s That “Different” Sound in Your Kitchen?
        3. Are Refrigerators/Freezers Snowbirds?
        4. “Freezer” in Single-Door Refrigerator Has Limited Function
      5. Refrigerator Maintenance
        1. Food Odors and Molds
      6. Step-by-Step Troubleshooting by Symptom Diagnosis
      7. Troubleshooting Sealed-System Problems
      8. Repair Procedures
        1. Electronic Control Board and Touchpad
        2. Door Gasket
        3. Thermostat (Cold Control)
        4. Defrost Timer
        5. Adaptive Defrost Control
        6. Evaporator Fan Motor
        7. Condenser Fan Motor
        8. Defrost Heater
        9. Defrost Thermostat
        10. Compressor, Relay, and Overload Protector
      9. Diagnostic Charts
      10. Refrigerator Electrical Schematics
        1. Example #1
        2. Example #2
        3. Example #3
        4. Example #4
        5. Example #5
      11. Endnotes
    13. 26 Freezers
      1. Upright Freezers
      2. Chest Freezers
      3. Freezer Storage and Temperatures
      4. Safety First
      5. Freezers in General
      6. Step-by-Step Troubleshooting by Symptom Diagnosis
      7. Troubleshooting Sealed-System Problems
      8. Repair Procedures
        1. Thermostat (Cold Control)
        2. Power Indicator Light
        3. Gasket
        4. Defrost Timer (Automatic Defrost Models)
        5. Defrost Heater (Automatic Defrost Models)
        6. Defrost Thermostat (Automatic Defrost Models)
        7. Evaporator Fan Motor (Automatic Defrost Models)
        8. Compressor, Relay, and Overload Protector
      9. Diagnostic Charts
      10. Freezer Electrical Schematics
      11. Endnotes
    14. 27 Automatic Ice Makers
      1. Safety First
      2. Automatic Ice Makers in General
      3. Principles of Operation for Type-1 and Type-2 Automatic Ice Makers
        1. Type-1 Ice Maker
        2. Type-2 Ice Maker
        3. Ice Production Rate
        4. Testing the Type-1 Ice Maker
        5. Testing the Type-1 Electronic Ice Maker
        6. Testing the Type-2 Ice Maker
        7. Water/Temperature Problems
      4. Step-by-Step Troubleshooting Type-1 Ice Makers by Symptom Diagnosis
      5. Step-by-Step Troubleshooting Type-2 Ice Makers by Symptom Diagnosis
      6. Diagnostic Chart
      7. Repair Procedures
        1. Type-1 Ice Maker: Module
        2. Type-1 Ice Maker: Thermostat
        3. Type-1 Ice Maker: Mold and Heater Assembly
        4. Water Valve
        5. Water Fill Valve Adjustment
        6. Type-2 Ice Maker: Head and Tray
        7. Type-2 Ice Maker Tray
      8. Type-1 Ice Maker Cycle Chart and Wiring Schematic
      9. Endnotes
    15. 28 Residential Under-the-Counter Ice Cube Makers
      1. Safety First
      2. Automatic Ice Cube Makers in General
      3. Type 1-Self-Contained Ice Cube Maker
        1. Principles of Operation
      4. Step-by-Step Troubleshooting by Symptom Diagnosis
        1. Treating the Water
      5. Cleaning Instructions for the Type 1-Ice Cube Maker
      6. Prevention of Water-Utilizing System Explosions
        1. Systems at Risk of Explosion
        2. How an Explosion Occurs
        3. Service Procedures
        4. Step 1: Check for a Ground Fault (a Short to Ground)
        5. Step 2: Check for Water in the System
        6. Replacing a Single-Wall Water-Utilizing System
      7. Repair Procedures
        1. Type-1 Ice Cube Maker Compressor, Relay, and Overload Protector
        2. Bin Thermostat
        3. Evaporator Thermostat
        4. Hot Gas Solenoid Valve
        5. Water Valve
        6. Condenser Fan Motor
        7. Water Pump
        8. Cutter Grid
        9. Cutter Grid Transformer and Fuse
        10. Cycle Switch
      8. Self-Contained Ice Cube Maker Performance Data
      9. Troubleshooting Water and Its Effect on Ice Making
      10. Type-1 Self-Contained Ice Cube Maker Wiring Diagrams
      11. Type-2 Self-Contained Ice Cube Maker
        1. Principles of Operation
      12. Step-by-Step Troubleshooting by Symptom Diagnosis
      13. Repair Procedures
        1. Adjusting the Ice Cube Thickness
        2. Type-2 Ice Cube Maker Compressor, Relay, and Overload Protector
        3. Water Valve
        4. Water Pump
        5. Thermistor
        6. Electronic Control Board
        7. Condenser Fan Motor
      14. Type-2 Ice Cube Maker Performance Data
    16. 29 Room Air Conditioners
      1. Principles of Operation
      2. Safety First
      3. Room Air Conditioners in General
        1. Electrical Requirements
        2. Location and Installation of Room Air Conditioner
      4. Step-by-Step Troubleshooting by Symptom Diagnosis
      5. Room Air Conditioner Maintenance
        1. Performance Data
      6. Repair Procedures
        1. Electronic Components
        2. Thermistor
        3. Thermostat (Operating)
        4. Thermostat (Defrost)
        5. Capacitor
        6. Fan Motor
        7. Compressor and Overload Protector
        8. Electric Heater Element
        9. Reversing Valve Solenoid Coil
        10. Selector Switch
      7. Troubleshooting Sealed-System Problems
      8. Reversing Valve (Heat Pump Models)
      9. Diagnostic Charts
      10. Cooling Capacity
      11. Drain Pan Valve
      12. Endnotes
    17. 30 Dehumidifiers
      1. Sizing a Dehumidifier
      2. Principals of Operation
      3. Safety First
      4. Dehumidifiers in General
      5. Location and Installation of a Dehumidifier
      6. Dehumidifier Maintenance
      7. Step-by-Step Troubleshooting by Symptom Diagnosis
      8. Repair Procedures
        1. Electronic Components
        2. Capacitor
        3. Fan Motor
        4. Compressor and Overload Protector
        5. Bucket Switch
        6. Defrost Thermostat
      9. Wiring Diagrams and Schematics
      10. Endnote
  13. Glossary
  14. Index