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Maytag UMV1152BAB/W/Q/S Service

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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.
2004
Over the Range
Domestic
Microwaves
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:
UMV1152BAB/W/Q/S
MMV1153AAB/W
AMV1162AAB/W/Q/S
AMV4204AAB/W/Q
MMV4205AAB/W/Q/S
AMV5164AAB/W/Q/S
AMV5164ACB/W/S
MMV5165AAB/W/Q/S
AMV5206AAB/W/Q/S
MMV5207AAB/W/Q/S
MMV5207ACB/W/Q/S
JMV8208AAB/W/Q/S
JMV8208ACB/S
16023056
June 2004

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  Summary of Contents for Maytag UMV1152BAB/W/Q/S

  • Page 1 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. 2004 This Base Manual covers general information...
  • 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

    Oven Thermostat ............39 Testing Procedures ..........18-31 Turntable Motor ............40 Vent Blower .............. 40 Light Socket ............. 40 Appendix A Installation Instructions ........... A-2 Appendix B Use and Care information ........B-2 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 4: Important Safety Information

    CAUTION Read the following information to avoid possible exposure to microwave radiation: The basic design of the Maytag and Amana microwave 7. In the area of the transformer, capacitor, diode, and oven makes it an inherently safe device to both use and magnetron there is HIGH VOLTAGE.
  • Page 5: 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. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 6: General Information

    Downdraft Cooktop or Warming Drawer Eyelevel Range Grill Range (20") Feature Content Range (36") 1000-3999 Brands Drop In (24") 4000-6999 Maytag/Amana Wall Oven (27") 7000-9999 Range, Free-Standing (30") Slide-In (30") Range Hood Wall Oven RV Range RV Top 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 7: Specifications

    • 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 Radio Interference Web Site at www.maytag.com 1. Microwave oven operation may interfere with the radio •...
  • Page 8: Electrical Requirements

    Press the STOP/ should be run with the circuit conductors and connected CLEAR pad twice to reset any accidental key setting. to the equipment grounding terminal or lead on the appliance. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 9: Microwave Oven Description

    General Information Microwave Oven Description 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 10: Troubleshooting Procedures

    2. Check fuse. the display, 3. Check oven thermostat. when unit is plugged in. Measure voltage between pin 1 and pin 3 of CN1 connector Is 120 volts Replace indicated? circuit board. Unit operates. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 11 Measure resistance of CN2 between pin 1 and pin 3 with door closed. Does ribbon connector have proper connection? Adjust or replace door Reconnect sensing ribbon connector switch. Replace for proper circuit connection. board. Unit operates. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 12 See Testing Procedures. Place a jumper wire across Replace high thermostat. voltage capacitor. Replace magnetron. Replace thermostat. Unit operates. Measure resistance of fan motor. Replace circuit board. Is resistance present? Replace fan motor. 16023056 Rev. 0 ©2004 Maytag Appliances Company...
  • Page 13 See Testing resistance? Procedures. Measure Replace Replace resistance of high high voltage high voltage voltage diode. transformer. See Testing transformer. Procedures. Replace high voltage diode. Does diode Unit operates. have correct resistance? Replace magnetron. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 14 Replace ventilation fan. Unit operates. No buzzer sound when Replace Verify normal pressing control pad circuit operation of between stages or at board. circuit board. the end of cooking. Unit operates. 16023056 Rev. 0 ©2004 Maytag Appliances Company...
  • Page 15 Defective Replace Replace the RELAY1, 12 or poor connection of circuit board circuit board connection of RELAY1, 4 RELAY1, 12 Replace circuit board or Replace correct the circuit board or connection. correct the connection. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 16 1 and 4 of CN1 1,4 of CN1 Voltage reading:120 V AC? Voltage reading:120 V AC? Defective Defective Replace the Replace the FAN motor Oven lamp circuit board circuit board Replace Replace FAN motor Oven lamp 16023056 Rev. 0 ©2004 Maytag Appliances Company...
  • Page 17: Error Codes

    Buzzer does not sound or sounds continuously. Some segments of 1 or more digits display on the touch panel, or display when they should not. NOTE: Check for microwave energy leakage after replacing Printed Circuit Board Assembly. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 18: Testing Procedures

    8 sec 14 sec 10 sec 12 sec 12 sec 10 sec UMV1152B**, 14 sec 8 sec MMV1153A**, 16 sec 6 sec AMV1162A** 18 sec 4 sec 20 sec 2 sec 22 sec 0 sec 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 19 (Top Switch) Door Open ..........Open Door Closed..........Continuity UMV1152B**, MMV1153A**, AMV1162A**, AMV5164A** Interlock Monitor Measure resistance between Switch Test terminals 1 and 2: (Middle Switch) Door Open ..........Continuity Door Closed..........Open All Models 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 20 Fan motor Remove all wires from motor. (All measurements approximate) Across terminals A & C: 85-105 Ω Measure resistance ........Across terminals A & B: 15-25 Ω Infinite or several, motor is defective. MMV5165A** 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 21 Approximately 250-360 KΩ (70°F, All Models 20°C ± 35°F, 2°C) Refer to Parts Manual Power cord Measure resistance of wires ..... Continuity on each wire. for proper power cord Verify polarity and grounding. part number. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 22 Start 8 & 2 Continuity Clock 8 & 3 Continuity Custom Program 12 & 3 Continuity Kitchen Timer 8 & 4 Continuity Vent Hi/Lo/Off 12 & 1 Continuity Light Hi/Lo/Off 12 & 2 Continuity 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 23 Start 8 & 2 Continuity Clock 8 & 3 Continuity Custom Program 12 & 3 Continuity Kitchen Timer 8 & 4 Continuity Vent Hi/Lo/Off 12 & 1 Continuity Light Hi/Lo/Off 12 & 2 Continuity 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 24 Start 8 & 2 Continuity Clock 8 & 3 Continuity Custom Program 12 & 3 Continuity Kitchen Timer 8 & 4 Continuity Vent Hi/Lo/Off 12 & 1 Continuity Light Hi/Lo/Off 12 & 2 Continuity 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 25 9 & 3 Continuity Kitchen Timer 12 & 4 Continuity Light Timer 9 & 5 Continuity Vent Hi/Lo/Off 10 & 1 Continuity Turntable On/Off 12 & 3 Continuity Light Hi/Lo/Off 10 & 3 Continuity 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 26 12 & 4 Continuity Light Timer 9 & 5 Continuity Vent Hi/Lo/Off 10 & 1 Continuity Vent Auto Time Set 10 & 5 Continuity Turntable On/Off 12 & 3 Continuity Light Hi/Lo/Off 10 & 3 Continuity 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 27 Turntable On/Off 9 & 1 Continuity Clock 12 & 5 Continuity Light Hi/Lo/Off 10 & 3 Continuity Light Timer 9 & 5 Continuity Kitchen Timer 12 & 4 Continuity Vent Hi/Lo/Off 10 & 1 Continuity 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 28 10 & 3 Continuity Light Timer 9 & 5 Continuity Kitchen Timer 12 & 4 Continuity Vent On/Off 10 & 1 Continuity Vent 5-Speed 10 & 2 Continuity Vent Auto Time Set 10 & 5 Continuity 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 29 9 & 5 Continuity Kitchen Timer 12 & 4 Continuity Vent On/Off 10 & 1 Continuity Vent 5-Speed 10 & 2 Continuity Vent Auto Time Set 10 & 5 Continuity Turntable On/Off 12 & 3 Continuity 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 30 10 & 3 Continuity Light Timer 9 & 5 Continuity Kitchen Timer 12 & 4 Continuity Vent On/Off 10 & 1 Continuity Vent 5-Speed 10 & 2 Continuity Vent Auto Time Set 10 & 5 Continuity 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 31: Testing Procedures

    10 & 3 Continuity Light Timer 9 & 5 Continuity Kitchen Timer 12 & 4 Continuity Vent On/Off 10 & 1 Continuity Vent 5-Speed 10 & 2 Continuity Vent Auto Time Set 10 & 5 Continuity 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 32: Disassembly Procedures

    NOTE: When aligning the door for assembly, the door the right slightly, then push the door glass upward to must be opened as much as possible. release the glass from the track. 8. Reassemble in reverse order. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 33: Control Panel

    3. Place control panel on a flat surface. 4. Reassemble in reverse order. Circuit Board FPC Connector(S1) 3 Tap Power Relay Circuit Board (RY7) Power Transformer (CN1) Models AMV4204A**, MMV4205A**, MMV5165A** 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 34 (CN1) 5. Disconnect and mark the wire connectors from p.c. Model AMV5164A*S board. 6. Remove screws securing p.c. board to control panel assembly. 7. Reassemble in reverse order. NOTE: Do not flex p.c. board. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 35: 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 Models MMV5165A**, MMV5207A**, JMV8208A** occur to the case. 9. Reassemble in reverse order. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 36: Interlock Door Latch Switches

    If the monitor fuse is blown by a failed switch operation, all switches and printed circuit board must be replaced. Secondary Interlock Switch Models AMV4204A**, MMV4205A**, MMV5165A**, AMV5206A**, MMV5207A**, JMV8208A** 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 37: High Voltage Capacitor

    "shunt" resistor, but the mechanical Fuse Removal discharge should always be performed to avoid personal 1. Disconnect power and remove grille, (see "Grille injury. procedure). 2. Remove and replace fuse. 3. Reassemble in reverse order. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 38: Magnetron

    2. Remove fan blade from fan motor. Magnetron 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. Models UMV1152B**, MMV1153A**, AMV1162A**, AMV5164A** 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 39: 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. Models AMV5164A**, MMV5165A**, AMV5206A**, MMV5207A**, JMV8208A** 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 40: Turntable Motor

    1. Disconnect power to oven. 2. Remove Grille (see "Grille" procedure). 3. Remove screws securing bulb holder. 4. Remove light bulb and socket. 5. Disconnect wire terminal plug. 6. Replace and reassemble in reverse order. 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 41 Appendix A 16023056 Rev. 0 A – 1 ©2004 Maytag Services...
  • Page 42: Installation Instructions

    Installation Instructions A – 2 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 43 Installation Instructions Refer to Service Parts Catalog for correct Upper Cabinet Template part number. 16023056 Rev. 0 A – 3 ©2004 Maytag Services...
  • Page 44 If you have brick or masonry walls, you will need special hardware and tools. The ductwork you need for the installation is not included. All wall and roof caps must have a back-draft damper. (Shown on page 6). A – 4 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 45 ^ o k f k d fŠŒ‚ „Œ’‹†‹„ €Œ’‰ ‚’‰‘ †‹ ‚‰‚€‘†€ …Œ€ˆ Œ Œ‘…‚ ‚Œ‹~‰ †‹‡’–K : DO NOT, UNDER ANY CIRCUMSTANCES, REMOVE THE POWER SUPPLY CORD GROUNDING PRONG! : This appliance MUST be grounded! 16023056 Rev. 0 A – 5 ©2004 Maytag Services...
  • Page 46 Installation Instructions Models AMC4080AA*, MMC5080AA* A – 6 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 47 = 20 ft. 1-Wall Cap 40 ft. 1-Wall Cap = 40 ft. 8 feet straight 8 ft. 8 feet straight duct 8 ft. qlq^i ibkdqe Z TP ƒ‘K qlq^i ibkdqe Z TP ƒ‘K 16023056 Rev. 0 A – 7 ©2004 Maytag Services...
  • Page 48 3. Use side cutters or thin snips to cut and remove parts “B” from Back plate. Discard parts "B". Be careful not to distort the plate. See Figure 13. Knock out Parts “B” Parts “B” Figure 13 A – 8 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 49 Installation Instructions 16023056 Rev. 0 A – 9 ©2004 Maytag Services...
  • Page 50 Align the centerline of the upper cabinet template with the centerline of the mounting plate, then securely tape or tack the upper cabinet template in place. See mounting plate Figure 23. (3 pieces mounting plate) Figure 23 A – 10 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 51 PLATE, located on page 15. 5. Complete whichever venting system you have chosen. Use caulking compound to seal the exterior wall or roof opening around the wall cap or roof cap. 16023056 Rev. 0 A – 11 ©2004 Maytag Services...
  • Page 52 Center Line Mounting Plate Space More Than Wall Thickness Toggle Wings Center Line Mounting Plate Toggle Bolt Bolt Support Tab Support Tab (3 pieces mounting plate) Wall Figure 27 Figure 26 A – 12 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 53 Installation Instructions 16023056 Rev. 0 A – 13 ©2004 Maytag Services...
  • Page 54 Tighten the bolts until the gap between the upper cabinet and microwave oven is closed. 4. If wall vented or room vented installation is used, go to No.7 on the next page. Figure 30 Figure 31 A – 14 16023056 Rev. 0 ©2004 Maytag Services...
  • Page 55 Repeat for other filter screen. See Figure 34. Figure 33 8. Plug in the power supply cord. your microwave oven. Figure 34 16023056 Rev. 0 A – 15 ©2004 Maytag Services...
  • Page 56 Appendix B 16023056 Rev. 0 B– 1 ©2004 Maytag Services...
  • Page 57: Use And Care Information

    7. 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 and set the clock. B – 2 16023056 Rev.0 ©2004 Maytag Services...