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Maytag ACO1520AB Service Manual

Over the range 2001 and 2002 domestic microwave ovens.
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Service
Over The Range 2001 and 2002
Domestic Microwave Ovens
This manual replaces RS2100011 Revision 0.
Service Manual for:
Amana
®
®
Jenn-Air
Maytag
®
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.
Models and manufacturing
numbers in this manual.
2002 models are listed in bold.
ACO1520AB
ACO1520AC
ACO1520AW
ACO1530AB
ACO1530AW
ACO1560AB
ACO1560AC
ACO1560AS
ACO1560AW
ACO1840AB
ACO1840AC
ACO1840AW
ACO1860AB
ACO1860AC
ACO1860AS
ACO1860AW
JMV8196AAB
JMV8196AAQ
JMV8196AAS
JMV8196AAW
MMV4184AAB
MMV4184AAQ
MMV4184AAW
MMV5156AAB
MMV5156AAQ
MMV5156AAS
MMV5156AAW
MMV5186AAB
MMV5186AAQ
MMV5186AAS
MMV5186AAW
MVHRK3
MVHRK4
September 2002
16021668
Revision 0

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Table of Contents

   Related Manuals for Maytag ACO1520AB

   Summary of Contents for Maytag ACO1520AB

  • Page 1 MMV5186AAQ MMV5186AAS MMV5186AAW MVHRK3 MVHRK4 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. 16021668 Revision 0...
  • Page 2: Important Information

    (such as exposure to electrical shock) may result. CAUTION Maytag will not be responsible for any injury or property damage from improper service procedures. If performing service on your own product, assume responsibility for any personal injury or property damage which may result.
  • Page 3: Table Of Contents

    MMV4184*, and MMV5186* only ......12 Preparing Wall and Upper Cabinet ..... A-8 Surge Resistor ............12 Attaching Oven to the Wall ....... A-10 Troubleshooting Procedures ........13 Appendix B Care and Cleaning ..........B-2 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 4: Important Product Information

    Wire insulation material and thickness is designed and regulated for electrical spacing purpose only, but cannot always be relied upon because of possible cuts and/or abrasions, which can occur during servicing. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 5: Important Safety Information

    8. Do not for any reason defeat the interlock switches, The basic design of the Maytag microwave oven makes it there is no valid reason for this action at any time; an inherently safe device to both use and service.
  • Page 6: Microwave Leakage Testing

    (5 cm) spacer supplied with the probe. 4. Press the start pad or turn on the timer and with the magnetron oscillating, measure the leakage by holding the probe perpendicular to the surface being measured. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 7: General Information

    • For Amana product call 1-800-843-0304 or visit the Call 1-800-925-2020 for information. Web Site at www.amana.com • For Maytag product call 1-800-688-9900 or visit the Oven Specifications ACO15* and MMV5156* Web Site at www.maytag.com Models •...
  • Page 8: Grounding Instructions

    Microwave Oven Description Model and serial Vent grille number plate Glass turntable Window with metal shield Cooking guide Door handle Oven control Door safety panel lock system Cooktop/countertop light Grease filter 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 9: Testing Procedures

    Capacitor" section in Disassembly Procedure). replacement part. 3. Disconnect wire leads to high voltage transformer. NOTE: After repairing the door or the interlock system, it is necessary to do a continuity test before operating the oven. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 10: High Voltage Capacitor

    Capacitor" section in Disassembly Procedure). (see “Control Panel” section in Disassembly 3. Disconnect wire terminal plug from control board Procedure). (CN5). 2. Discharge high voltage capacitor, (see "High Voltage Capacitor" section in Disassembly Procedure). 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 11 2 - 11 6 - 12 Sensor Popcorn 4 - 13 Sensor Cook 7 - 13 Stop Clear 2 - 12 Sensor Reheat 6 - 13 Sensor Pizza 2 - 13 7 - 8 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 12: Circuit Board

    2. Disconnect wire terminals to the resistor and Terminal A to terminal B ..25 to 40 ohms measure resistance of the resistor. • Normal reading—approximately 15 ohms. • Abnormal reading—Indicates infinite ohms. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 13: Troubleshooting Procedures

    Verify proper indicated when connection of key pad is ribbon pressed. connector. Does ribbon connector have proper connection. Replace control Reconnect key pad. ribbon connector for proper Replace connection. circuit board. Unit operates. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 14 Unit operates. No buzzer sound when Verify normal pressing control pad operation of between stages or at circuit board. the end of cooking. Replace circuit board. Unit operates. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 15 Replace magnetron. Does fan motor operate. Replace thermostat. Unit operates. Measure resistance of fan motor, approximately 38 ohms. Replace circuit board. Is the resistance of fan motor correct. Replace fan motor. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 16 Replace Replace voltage diode. high voltage high voltage See to transformer. transformer. Testing Procedures on page 10. Replace high voltage diode. Does diode Unit operates. have correct resistance Replace magnetron. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 17 Replace Test and Reconnect ribbon circuit replace connector for board. failed proper connection. component. Replace ventilation fan. Does Unit operates. unit operate. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 18: Disassembly Procedures

    4. Remove screws securing door handle and door a door assembly is removed, replaced, disassembled frame to door panel. or adjusted for any reason. 5. Remove door frame by releasing tabs around entire door panel. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 19: Control Panel

    A microwave leakage test must be performed anytime Circuit a door assembly is removed, replaced, disassembly, Board or adjusted for any reason. Power Transformer FPC (S-1) connector Relay 7 ACO1520*, ACO1530*, and MMV5156* 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 20: Control Key Panel

    7. Slide outer case towards the rear of the unit, guide power cord though outer case power cord hole. 8. Place outer case to the side, so no damage will occur to the case. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 21: Stirrer Assembly (some Models)

    Monitor Interlock Switch 4. Reassemble in reverse order. WH (from Secondary switch) RD (from Relay 7) Primary Interlock Switch GN (from P.C.B) YL (from P.C.B) ACO15020*, ACO1530*, and MMV5156* ACO1840*, ACO1860*, JMV8196*, MMV4184*, and MMV5186* 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 22: High Voltage Capacitor

    3. Disconnect diode wire terminal from high voltage the top of the oven and/or away from the door latch capacitor and remove screw securing diode to until gaps are less than –inch (0.5 mm). ground. 4. Reassemble in reverse order. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 23: Transformer

    2. Remove fan blade from fan motor. 3. Remove screws securing fan motor to air duct. 4. Disconnect wires from fan motor, and lift fan motor assembly out. 5. Reassemble in reverse order. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 24: Magnetron Thermal Fuse

    3. Remove outer case, (see "Outer Case" procedure). 4. Remove screws securing sensor to air duct. 5. Disconnect wire terminal plug and replace with new sensor. 6. Reassemble in reverse order. 5. Replace and reassemble in reverse order. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 25: Base Thermostat

    1. Disconnect power to oven. connection wire terminal. 2. Remove screws securing bottom plate cover. 5. Reassemble in reverse order. NOTE: Place blower assembly wires in slotted area to avoid pinching of wires. 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 26: Wiring Diagrams And Schematics

    Wiring Diagram and Schematic To avoid the risk of electrical shock, personal injury or WARNING death; disconnect power to oven and discharge capacitors before following any disassembly procedure. ACO1520* and ACO1530* Models 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 27: Aco1560* And Mmv5156* Models

    Wiring Diagram and Schematic To avoid the risk of electrical shock, personal injury or death; disconnect power to oven and discharge WARNING capacitors before following any disassembly procedure. ACO1560* and MMV5156* Models 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 28: Aco18*, Jmv8196*, Mmv4184, And Mmv5186* Models

    Wiring Diagram and Schematic To avoid the risk of electrical shock, personal injury or WARNING death; disconnect power to oven and discharge capacitors before following any disassembly procedure. ACO18*, JMV8196*, MMV4184, and MMV5186* Models 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 29: Installation Instructions

    Installation Instruction Appendix A A–1 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 30 • Locate and disconnect the power to any electrical circuits that could be affected by installing this oven. IF YOU DO NOT DISCONNECT THE POWER, YOU COULD GET AN ELECTRIC SHOCK. 16021668 Rev. 0 A–2 ©2002 Maytag Appliances Company...
  • Page 31 13 - " min. microwave oven or countertop to cooking surface or (Use templates included countertop with installation instructions) Maximum gas or electric cooking product width of 36 inches. A–3 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 32: Parts, Tools, And Materials

    Metal drill bits. NOTE: Use the carton or heavy material for covering the counter top. NOTE: Ductwork required for installation is not included. All wall and roof caps must have a back-draft damper. 16021668 Rev. 0 A–4 ©2002 Maytag Appliances Company...
  • Page 33: Preparing Electrical Connection

    3 1/4" to round duct transition NOTE: Duckwork needed for outside ventilation is not included with oven. Roof-Venting Oven is located on an outside wall near roof. A–5 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 34 Following are standard fittings and their equivalent length in feet. 3 1/4"x10" 3 1/4"x10" roof 3 1/4"x10" 90 to 6"=5ft. cap=24ft. elbow=25ft. 3 1/4"x10" 3 1/4"x10" wall cap flat elbow 90 elbow 45 elbow =40ft. =10ft. =10ft. =5ft. 16021668 Rev. 0 A–6 ©2002 Maytag Appliances Company...
  • Page 35: Preparing Venting Blower

    4. Rotate blower unit so exhaust ports face the rear of 2. Carefully lift blower unit out of oven cabinet. the cabinet. 3. Rotate blower unit 90° so that exhaust ports face the front of the cabinet. A–7 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 36: Preparing Wall And Upper Cabinet

    If upper cabinet has a recessed frame, trim the template to fit inside the recessed area. Align the centerline of the upper cabinet template with the centerline on the wall template. Secure upper cabinet template in place. 16021668 Rev. 0 A–8 ©2002 Maytag Appliances Company...
  • Page 37 Spring toggle head Mounting plate Toggle bolt Filler block 3. Place mounting plate against the wall aligning toggle bolts with holes. Support tabs A–9 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 38: Attaching Oven To The Wall

    5. Remove the lock pin and washer. If wall or roof through cutout in the bottom of the upper cabinet. venting installation is used, skip to step 8. 16021668 Rev. 0 A–10 ©2002 Maytag Appliances Company...
  • Page 39 8. Use the power supply cord clamp to bundle the power supply cord. Install the power supply cord clamp inside the cabinet. duct power supply cord clamp A–11 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 40 Installation Instruction This page intentionally left blank. 16021668 Rev. 0 A–12 ©2002 Maytag Appliances Company...
  • Page 41 Appendix B B–1 16021668 Rev. 0 ©2002 Maytag Appliances Company...
  • Page 42: Care And Cleaning

    2. Wash in dishwasher or soak grease filters in hot water and a mild detergent. Rinse well and shake to dry. Do not use ammonia. The ammonia will darken the filter. 3. Tip the grille forward, then lift out. 16021668 Rev. 0 B–2 ©2002 Maytag Appliances Company...
  • Page 43 8. Slide the bottom of the vent cover into place. Push the top until it snaps into place. Replace the mounting screws. Turn the power back on at the main power supply. B–3 16021668 Rev. 0 ©2002 Maytag Appliances Company...

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