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Service
This manual is to be used by qualified appliance
technicians only. Maytag does not assume any
responsibility for property damage or personal
injury for improper service procedures done by
an unqualified person.
15 Cubic Foot
Top Mount
Refrigerators
This Base Manual covers general information
Refer to individual Technical Sheet
for information on specific models
This manual includes, but is
not limited to the following:
Amana
ATB1504ARQ
ATB1504ARW
Maytag
MTB1502ARQ
MTB1502ARW
MTB1504ARQ
MTB1504ARW
Magic Chef
CTB1502ARQ
CTB1502ARW
CTL1502AEW
CTN1502AEW
16022675
December 2003
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Chapters
Table of Contents
Troubleshooting
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Summary of Contents for Maytag ATB1504ARQ
- Page 1 Service This manual is to be used by qualified appliance technicians only. Maytag does not assume any This Base Manual covers general information responsibility for property damage or personal injury for improper service procedures done by Refer to individual Technical Sheet an unqualified person.
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Page 2: Important Information
Important Notices for Servicers and Consumers Maytag will not be responsible for personal injury or property damage from improper service procedures. Pride and workmanship go into every product to provide our customers with quality products. It is possible, however, that during its lifetime a product may require service. -
Page 3: Table Of Contents
Condenser Removal ..........28 Replacement Service Compressor ......17 Appendix A Compressor Testing Procedures ......17 Ice Maker Service Instructions ......A-1 Brazing ..............17 Appendix B Refrigerant Flow ............18 Owners Manual ............. B-1 16022675 Rev. 0 ©2003 Maytag Appliances Company... -
Page 4: Model Identification
P ro d u ct T T o p M o u n t B ra n d A m a n a M a yta g M a g ic C h e f 16022675 Rev. 0 ©2003 Maytag Appliances Company... -
Page 5: Component Testing
After refrigerant is recovered, repeat compressor direct wire test. If compressor runs after recovery but would not run when direct wired before recover, a restriction in sealed system is indicated. • If compressor does not run when wired direct after recovery, replace faulty compressor. 16022675 ©2003 Maytag Appliances Company... -
Page 6: Capacitor
Refrigerant flows through the drier to the capillary tube to the evaporator and back to the compressor through suction line. 16022675 ©2003 Maytag Appliances Company... -
Page 7: Overload / Relay
3. Check resistance from ground connection solder. Trace to motor frame must not exceed .05 ohms. 4. Check for the proper operating voltage at the connector to motor with unit in refrigeration mode and compressor operating. 16022675 ©2003 Maytag Appliances Company... -
Page 8: Refrigerator Light Switch
After specified defrost cycle time, timer 4. Continuing to rotate time knob until a second click is heard should restore cam resets the circuitry through terminal circuit between terminals 1 and 4. 4 to compressor. 16022675 ©2003 Maytag Appliances Company... -
Page 9: Evaporator
Opens and breaks circuit After defrost thermostat opens, thermostat remains open until end of defrost cycle when thermostat senses preset high and refrigerator starts cooling again. Defrost thermostat senses a preset low temperature. temperature and resets (closes). 16022675 ©2003 Maytag Appliances Company... -
Page 10: Service Procedures
• Dry nitrogen 99.5% minimum purity, with -40°F or lower dew point • Crimp tool • Tube bender • Micron vacuum gauge • Process tube adaptor kit • Heat trap paste • ICI appliance grade HFC134a 16022675 ©2003 Maytag Appliances Company... -
Page 11: Refrigerant Precautions
If motor does not run when wired direct after recovery, on compressor. replace faulty compressor. • Start lead on test cord attaches to S terminal on compressor. • Run lead on test cord attaches to M terminal on compressor. 16022675 ©2003 Maytag Appliances Company... -
Page 12: Dehydrating Sealed Refrigeration System
1. Stop unit operation (turn refrigerator off). 2. Holding leak detector exploring tube as close to system tubing as possible, check all piping, joints, and fittings. NOTE: Use soap suds on areas leak detector cannot reach or reliably test. 16022675 ©2003 Maytag Appliances Company... -
Page 13: Restrictions
(if restriction is severe, frost may form at point of restriction and extend down in direction of refrigerant flow in system). Go to step 5. 16022675 ©2003 Maytag Appliances Company... -
Page 14: Evacuation And Charging
Invert charging cylinder and open charging cylinder valve “F” to add partial charge for leak checking. With leak detector, check manifold connections and system for leaks. After locating leak, capture refrigerant, repair leak, and begin at step 1. 16022675 ©2003 Maytag Appliances Company... -
Page 15: Charging
7. Pinch-off compressor process tube and remove charging hose. Braze stub closed while compressor is operating. 8. Disconnect power. Remove charging hose and braze high side drier process tube closed. 9. Recheck for refrigerant leaks. 16022675 ©2003 Maytag Appliances Company... -
Page 16: Hfc134A Service Information
HFC134a approximately 3 psig E610 evaporating oil, part # R0157532, when flaring, Pressure at 65°F (18°C) higher than CFC12 swagging, or cutting refrigeration tubing. Low-side system operating HFC134a approximately 2 psig Pressure at 65°F (18°C) lower than CFC12 16022675 ©2003 Maytag Appliances Company... -
Page 17: Replacement Service Compressor
• Suction and head pressures are listed on “Temperature and Relationship Chart”. Normally these are not required for diagnosis but used for confirmation on systems which have been opened. 16022675 ©2003 Maytag Appliances Company... -
Page 18: Refrigerant Flow
Refrigerant Flow 15 cu. ft. Top Mount Refrigerant Flow Diagram 16022675 ©2003 Maytag Appliances Company... -
Page 19: Cabinet Air Flow
Cabinet Air Flow 15 cu. ft. Top Mount Cabinet Air Flow Diagram 16022675 ©2003 Maytag Appliances Company... -
Page 20: Troubleshooting Chart
Interior light remains on Check switch. Replace if necessary. Check to make sure door contacts switch. Adjust door if necessary. Faulty condenser fan or evaporator Check fan and wiring. Replace if necessary. Faulty compressor Replace compressor. 16022675 ©2003 Maytag Appliances Company... - Page 21 Mounting hardware grommets if necessary. loose or missing Free or loose parts causing or Inspect unit for parts that may have allowing noise during operation worked free or loose or missing screws. Repair as required. 16022675 ©2003 Maytag Appliances Company...
- Page 22 Faulty fan motor Check fan motor. Replace if failed. Restricted air flow Check condenser and grille for dirt. Clean. Refrigerant shortage or restriction Check for leak or restriction. Repair, evacuate and recharge system. 16022675 ©2003 Maytag Appliances Company...
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Page 23: System Diagnosis
It will probably continue to Symptoms of Refrigeration Shortage become higher because air drawn in through the leak is compressed by the compressor and accumulates in the high side (condenser) of the system. 16022675 ©2003 Maytag Appliances Company... -
Page 24: Symptoms Of A Restriction
To diagnose for a restriction versus a refrigerant undercharged. It is best to discharge, replace drier, evacuate and recharge with the specified refrigerant charge. 16022675 ©2003 Maytag Appliances Company... -
Page 25: Symptoms Of Low Or High Ambient
Compartment temperatures, power consumption, discharge, and suction pressures are all affected by heat load. Pressures will be higher than normal under heavy heat load. 16022675 ©2003 Maytag Appliances Company... -
Page 26: Disassembly Procedures
5. Disconnect wire harness plug from ceiling. 6. On back side of Control Housing Assembly disconnect wires from light bulb socket. 7. Squeeze tabs on back side of Light Bulb Socket to release it from housing. 16022675 ©2003 Maytag Appliances Company... -
Page 27: Defrost Timer
1. Remove 4 screws from Evaporator Cover. 2. Pull forward to reveal wiring, disconnect harness plug attached to rear wall. 3. Remove Evaporator cover. 16022675 ©2003 Maytag Appliances Company... -
Page 28: Bottom Of Cabinet Front Roller Assembly
Remove nut and fan blade. 5. Raise back of refrigerator at least 6" off the deck and block it up. 6. Remove Philips head screws to base pan and lift and slide condenser out back of unit. 16022675 ©2003 Maytag Appliances Company... - Page 29 Appendix A A -1 16022675 ©2003 Maytag Appliances Company...
- Page 30 Remove the cover and you will see test points wire into a horseshoe shape (illustration P. 38). identified on the module as N, M, V, etc. N: Neutral side of line M: Motor connection H: Heater connection T: Thermostat connection 16022675 A - 2 ©2003 Maytag Appliances Company...
- Page 31 POWER TO ICE MAKER OINTS OMPONENT OLTAGE VOLTS L & N Module Power OK No Power T & H Bimetal Open Closed L & H Heater L & M Motor N & V Water Valve A - 3 16022675 ©2003 Maytag Appliances Company...
- Page 32 8. Remove fill cup. Finally (if desired) remove thermal fuse clip and ice maker bracket. NOTE: New fill cups are molded with two break-out slots for a fill tube. This is done so that the same 16022675 A - 4 ©2003 Maytag Appliances Company...
- Page 33 Maximum adjustment is one full turn in either direction. Additional rotation can damage the module. If water valve adjustment screw falls out, put it back in and turn it until the holes align as shown below. A - 5 16022675 ©2003 Maytag Appliances Company...
- Page 34 Follow "Test Procedures" (P. 37) to test operation of the bimetal thermostat. NOTE: Replacement thermostats are no longer available for ice makers. If your thermostat is faulty, order a new ice maker. 16022675 A - 6 ©2003 Maytag Appliances Company...
- Page 35 Replace ice maker Little or no Alumilastic on thermostat Apply fresh coat of Alumilastic to thermostat Heater not staked in mold Replace ice maker Broken locking tabs on vertical cam Replace ice maker A - 7 16022675 ©2003 Maytag Appliances Company...
- Page 36 Fill tube not properly located in fill cup Reposition fill tube Fill cup water opening flashed over or plugged Install new fill cup Cubes fall over back of ice maker, melting into freezer Install new fill cup 16022675 A - 8 ©2003 Maytag Appliances Company...
- Page 37 Appendix B B -1 16022675 ©2003 Maytag Appliances Company...
- Page 38 To p M o u n t Refrigerator Use & Care Guide Table of Contents Important Safety Instructions . .1-2 Installation ....3-4 Temperature Controls ..5 Looking Inside .
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Page 39: Important Safety Instructions
Important Safety Instructions WARNING Installer: Please leave this manual with this appliance. To reduce risk of fire, electric shock, serious injury or Consumer: Please read and keep this Use & Care Guide death when using your refrigerator, follow these basic for future reference. - Page 40 Important Safety Instructions This appliance is equipped with a three-pronged DANGER grounding plug for your protection against possible To reduce risk of injury or death, follow basic electrical shock hazards. It must be plugged into a precautions, including the following: grounding receptacle.
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Page 41: Installation
Installation Your new refrigerator was packed carefully for Front Base Grille shipment. Remove and discard shelf packing and tape. The front base grille was packaged inside the refrigerator for shipment and should be installed after Location the refrigerator has been leveled. •... - Page 42 Installation 15. Carefully place freezer door on top of hinge arm WARNING use foam door spacer to set gap. To avoid electrical shock which can cause severe personal injury or death: • Disconnect power to refrigerator before reversing doors. Reversing Doors Note Tools Required: •...
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Page 43: Temperature Controls
Temperature Controls The fresh food control is located at the top of the fresh TEMPERATURE CONTROL GUIDE food compartment. Fresh Food Adjust fresh food control Compartment to next higher setting. too Warm Fresh Food Adjust fresh food control Compartment to next lower setting. too Cold The freezer control is located at the back of the freezer compartment. -
Page 44: Looking Inside
Looking Inside Fresh Food Compartment To Reinstall: • While holding the shelf on each end, slide the shelf Shelves in and down. CAUTION • Push down on the interior center of the shelf to snap it completely into place. To avoid personal injury or property damage: •... - Page 45 Looking Inside Dairy Compartment Freezer Compartment The Dairy Compartment is covered and designed to CAUTION store spreadable food items such as butter or To avoid personal injury or property damage: margarine. • Never attempt to adjust a shelf when it is loaded To use this compartment, simply raise the lid to store or with food.
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Page 46: Ice Service
Ice Service Ice Cube Trays • When the ice cubes are ejected it is normal for several cubes to be joined together at the ends. They Select models are equipped with ice cube trays. To can easily be broken apart. The ice maker will release the ice cubes from a tray, hold the tray upside continue to make ice until the supply of ice cubes down over a container and twist both ends. -
Page 47: Food Storage Tips
Food Storage Tips Fresh Food Storage Frozen Food Storage • The fresh food compartment of a refrigerator should • The freezer compartment of a refrigerator should be be kept between 34° F and 40° F with an optimum kept at approximately 0° F. To check the temperature, temperature of 37°... - Page 48 Food Storage Tips Food Storage Chart Storage times are approximate and may vary depending on type of packaging, storage temperature, and the quality of the food when purchased. FOODS REFRIGERATOR FREEZER STORAGE TIPS DAIRY PRODUCTS Butter 1 month 6-9 months Wrap tightly or cover.
- Page 49 Food Storage Tips FOODS REFRIGERATOR FREEZER STORAGE TIPS POULTRY AND FISH Chicken and Turkey, whole 1-2 days 12 months Keep in original packaging for refrigeration. Place in the Meat Chicken and Turkey, pieces 1-2 days 9 months and Cheese Drawer. When Fish 1-2 days 2-6 months...
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Page 50: Storing The Refrigerator
Storing the Refrigerator Vacations* 5. Clean and dry the refrigerator thoroughly. 6. Leave the doors open to prevent odors. If you will be gone for a month or less, leave the controls at the usual settings. WARNING During longer absences: Water damage due to improper disconnection and 1. -
Page 51: Care & Cleaning
Care & Cleaning WARNING CAUTION To avoid electrical shock which can cause severe To avoid personal injury or property damage, personal injury or death, disconnect power to observe the following: refrigerator before cleaning. After cleaning, connect • Do not touch refrigerated surfaces with wet or power. -
Page 52: Troubleshooting
Troubleshooting Normal Operating Sounds Improvements in refrigeration design may produce sounds in your new refrigerator that are different or were not present in an older model. These improvements were made to create a refrigerator that is better at preserving food, is more energy efficient, and is quieter overall. - Page 53 Troubleshooting Review this chart of troubleshooting tips first…you may not need to call for service at all. PROBLEM POSSIBLE CAUSES WHAT TO DO Won’t run Power cord not plugged in. Push plug into outlet. No power to outlet. Replace fuse, reset circuit breaker. “OFF”...
- Page 54 Troubleshooting PROBLEM POSSIBLE CAUSES WHAT TO DO Automatic icemaker Sensor arm in up position. Adjust sensor arm down to “ON” position. not working Cabinet not level. Level unit (see page Water supply not connected or Connect water supply, or clear obstructions. restricted.
- Page 55 Notes...
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