Electrolux LEVM30FE Service Manual
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Electrolux LEVM30FE Service Manual

Electrolux LEVM30FE Service Manual

Over-range microwave oven
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ELECTROLUX HOME PRODUCTS NORTH AMERICA
OVER-RANGE MICROWAVE OVEN
SERVICE MANUAL
MODEL - LEVM30FE
! ATTENTION !
This service manual is intended for use by persons having electrical and mechanical training
and a level of knowledge of these subjects generally considered acceptable in the appliance
repair trade. Electrolux Home Products cannot be responsible, nor assume any liability, for
injury or damage of any kind arising from the use of this manual.
July 2007
P/N 316439250
Publication # 5995496147

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Summary of Contents for Electrolux LEVM30FE

  • Page 1 Electrolux Home Products cannot be responsible, nor assume any liability, for injury or damage of any kind arising from the use of this manual.

  • Page 2: Table Of Contents

    Contents 1. Precaution ................1 1-1 Safety precautions .

  • Page 3: Exposure To Excessive Microwave Energy

    Electrolux Home Products cannot be responsible, nor assume any liability, for injury or damage of any kind arising from the use of this manual.

  • Page 4: Precaution

    1. Precaution Follow these special safety precautions. Although the microwave oven is completely safe during ordinary use, repair work can be extremely hazardous due to possible exposure to microwave radiation, as well as potentially lethal high voltages and currents. 1-1 Safety precautions ( 1.

  • Page 5: Special Servicing Precautions (Continued)

    1-2 Special Servicing Precautions (Continued) 16. Always connect a test instrument’s ground lead 19. Use replacement components that have the to the instrument chassis ground before con- same ratings, especially for flame resistance and necting the positive lead; always remove the dielectric strength specifications.

  • Page 6: Specifications

    2. Specifications 2-1 Table of Specifications TIMER 99 MINUTES 99 SECONDS POWER SOURCE 120V 60Hz, AC POWER CONSUMPTION MICROWAVE : 1,600W OUTPUT POWER 950 Watts(IEC 705 TEST) OPERATING FREQUENCY 2,450MHz MAGNETRON OM75P(10) COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS ”(W) x 16 ”(H) x 15 ”(D) 15/16...

  • Page 7: Operating Instructions

    3. Operating Instructions 3-1 Control Panel - 4 -...

  • Page 8: Features & External Views

    3-2 Features & External Views ���� ������ ���� ������� ������ ����� ������ ����� ���� ���� ������ ���� ��� ���� ������ ����� ��� ����� ���� ������� ����� ���� ������ ������ ��������� ������ ����� 758 mm 389.7 mm - 5 -...

  • Page 9: Accessory

    3-3 Accessory Unpack your microwave oven and check to make sure that you have all the sparts shown here. If any part is missing or broken, call your dealer. Installation Registration Card Use and Care Guide Top Template Instructions Wall Template Glass Tray Roller Guide Ring Charcoal filter...

  • Page 10: Vent Blower

    INSTALLATION The Microwave Oven is supported by a special bracket assembly (mounting system) supplied with the oven. The bracket assembly must be mounted to the wall with toggle bolts through the wall, and a lag screw into a wall stud. After the bracket assembly is installed, the unit can be slid over the two rails of the bracket assembly.
  • Page 11 REUSABLE GREASE FILTERS The metal filter trap grease released by foods on Charcoal Filter the cooktop. They also prevent flames from foods on the cooktop from damaging the inside of the microwave. For this reason, the filters must ALWAYS be in place when the hood the vent fan is used.

  • Page 12: Disassembly And Reassembly

    4. Disassembly and Reassembly MAGNETRON, MOTOR ASSEMBLY, VENT BLOWER AND HIGH VOLTAGE TRANSFORMER Oven must be removed from wall. REMOVING OVEN FROM WALL (2 PEOPLE REQUIRED) Oven is hooked on metal tabs at bottom of wall mounting plate and to cabinet by (3) top cabinet bolts. 4-1 Replacement of High Voltage Transformer and Fan Motor Assembly.

  • Page 13: Replacement Of Door Assembly

    4-3 Replacement of Door Assembly 4-3-1 Removal of Door “C” Open the door and remove the door by pulling up from hinge holes. Door "A" Door "C" Door “E” 4-3-2 Removal of Door “E” Following the procedure as shown in the figure, insert and bend a thin metal plate between Door “E”...

  • Page 14: Reassembly Test

    4-3-4 Reassembly Test After replacement of the defective component parts of the door, reassemble it and follow the instruc- tions below for proper installation and adjustment so as to prevent an excessive microwave leakage. 1. When mounting the door to the oven, be sure to adjust the door parallel to the bottom line of the oven face plate by moving the upper hinge and lower hinge in the direction necessary for proper alignment.

  • Page 15: Replacement Of Stirrer Motor

    4-6 Replacement of stirrer motor 1. Disconnect power and remove grille screws(2). 2. Remove grille and the bracket duct upper screw(1). 3. Remove the bracket duct upper and disconnect the stirrer motor wire. 4. Remove stirrer motor screws(1) and lift up stirrer motor after turn left.

  • Page 16: Replacement Of Control Circuit Board

    4-8 Replacement of Control Circuit Board 4-8-1 Removal of Control Box 1. Disconnect power and remove grille. 2. Remove a screw securing the control box assembly. 3. Be sure to ground any static electric charge in your body and never touch the control circuit. 4.

  • Page 17: Alignment And Adjustments

    5. Alignment and Adjustments PRECAUTION 1. High voltage is present at the high voltage terminals during any cook cycle. 2. It is neither necessary nor advisable to attempt measurement of the high voltage. 3. Before touching any oven components or wiring, always unplug the oven from its power source and dis- charge the high voltage capacitor.

  • Page 18: High Voltage Capacitor

    5-4 High Voltage Capacitor 1. Check continuity of the capacitor with the meter set at the highest resistance scale. 2. Once the capacitor is charged, a normal capacitor shows continuity for a short time, and then indicates 9MΩ. 3. A shorted capacitor will show continuous continuity. 4.

  • Page 19: Vent Exhaust Blower Motor

    5-8 VENT EXHAUST BLOWER MOTOR THIS COMPONENT REQUIRE REMOVAL OF MICROWAVE OVEN FROM INSTALLATION FOR SERVICING. The blower is a two speed (HI-LO) capacitor run blower assembly located on top of the micro- wave oven. The blower is operated by low voltage relays located on the smart board.

  • Page 20: Thermal Cutout(Tco's)

    5-9 THERMAL CUTOUT(TCO’S) There are 4 different thermal cutouts in this unit with 4 different purposes. They are : 1. Oven thermal cutout (flame sensor), on cavity top. 2. Hood thermal cutout, inside control area on duct. 3. Bottom thermal cutout, on floor of control area. 4.

  • Page 21: Hood Thermal Cutout

    5-9-3 Hood Thermal Cutout This cutout will protect the touch control from excessive heat by turning the vent fan on at low speed. If the HOOD THERMAL CUTOUT surface units of the range are used for long periods of time heat will build up and could damage the microwave control.

  • Page 22: Magnetron Thermal Cutout

    5-9-5 Magnetron Thermal Cutout The magnetron thermal cutout is located above the MAGNETRON THERMAL CUTOUT leads to the magnetrons. It is designed to prevent damage to the magnetron if an overheated condition develops in the tube to cooling fan failure, obstructed air ducts, dirty or blocked air intake.

  • Page 23: Error Code

    5-11 Error Code Error Code Contents Cause of Troubles If overheat during cooking causes to reach 500F, it stops SENSOR poor E-24 all modes of cooking, causes ‘E-24’ error, and converts to cancel mode. E-22 ‘SHORT ERROR’ of thermal sensor E-21 ‘OPEN ERROR’...

  • Page 24: Output Power Of Magnetron

    5-12 Output Power of Magnetron CAUTION MICROWAVE RADIATION PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE RADIATION FROM MICROWAVE GENERA- TOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY. The output power of the magnetron can be measured by performing a water temperature rise test. Equipment needed : * Two 1-liter cylindrical borosilicate glass vessel (Outside diameter 190 mm) * One glass thermometer with mercury column...

  • Page 25: Procedure For Measurement Of Microwave Energy Leakage

    5-13 Procedure for Measurement of Microwave Energy Leakage 1) Pour 275±15cc of 20±5°C(68±9°F) water in a beaker which is graduated to 600cc, and place the beaker in the center of the oven. 2) Start to operate the oven and measure the leakage by using a microwave energy survey meter.

  • Page 26: Troubleshooting

    6. Troubleshooting PRECAUTION 1. CHECK GROUNDING BEFORE CHECKING FOR TROUBLE. 2. BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT. 3. DISCHARGE THE HIGH VOLTAGE CAPACITOR. 4. WHEN CHECKING THE CONTINUITY OF THE SWITCHES OR TRANSFORMER, DISCONNECT ONE LEAD WIRE FROM THESE PARTS AND THEN CHECK CONTINUITY WITHOUT THE POWER SOURCE ON. TO DO OTHERWISE MAY RESULT IN A FALSE READING OR DAMAGE TO YOUR METER.

  • Page 27: Electrical Malfunction(Continued)

    6-2 Electrical Malfunction(continued) SYMPTOM CAUSE CORRECTIONS Oven lamp and fan motor 1. Misadjustment or loose wiring of pri- Adjust door and latch switches. turn on mary latch switch 2. Defective primary latch switch Oven can program but 1. Open or loose wiring of secondary Adjust door and interlock switches.

  • Page 28: Exploded Views And Parts List

    7. Exploded Views and Parts List 7-1 Exploded Views - 25 -...
  • Page 29 7-1 Exploded Views (continued) - 26 -...
  • Page 31 Parts Description...
  • Page 32 Parts Description...
  • Page 33 Parts Description...

  • Page 34: Diagrams

    8. P.C.B Diagrams 8-1 P.C.B Diagrams ��������������� ���� ���� ���� �������������� ���������� ������ � �������� ��� �� - 31 -...

  • Page 35: Parts List

    8-2 P.C.B Parts List (S.N.A : SERVICE NOT AVAILABLE) Level Code No. Description Specification Q’ty SA/SNA Remark RAS- ASSY PCB PARTS JMV8166BA,120V60HZ MOTR2V-05 0604-000258 PHOTO-COUPLER TRIAC,-,-,DIP-5,ST PT01 3501-000256 RELAY-POWER 110V,1200VA,10000MA,-,10MS,1 RY01 3501-000258 RELAY-POWER 24VDC,1250VA,22MA,-,9MS,5MS RY02 3501-001155 RELAY-MINIATURE 24VDC,200MW,3000MA,1FORM RY08 3708-001550 CONNECTOR-FPC/FC/PIC 16P,1.25mm,STRAIGHT CN07 3711-000024 CONNECTOR-HEADER...
  • Page 36 8-2 P.C.B Parts List (S.N.A : SERVICE NOT AVAILABLE) Level Code No. Description Specification Q’ty SA/SNA Remark 2203-000192 C-CERAMIC,CHIP 100nF,+80-20%,50V,Y5V,TP, 2203-000444 C-CER,CHIP 1nF,10%,50V,X7R,TP,2012,- 2203-000889 C-CERAMIC,CHIP 4.7NF,10%,50V,X7R,TP,2012 2301-001220 C-FILM,MPPF 100NF,10%,275V,BK,18X6X12,15 2401-000151 C-AL 1000uF,20%,25V,GP,TP,10x20,5 2401-000244 C-AL 100uF,20%,10V,GP,TP,6.3x7,5 2401-000598 C-AL 1uF,20%,50V,GP,TP,4x7,5 2401-000911 C-AL 22uF,20%,16V,GP,TP,5x7,5 2401-001415 C-AL 470uF,20%,35V,GP,TP,10x20,5...

  • Page 37: Diagrams-Sub

    Diagrams-Sub 8-3 P.C.B � � � � � � � � � � � � � � � � � � � � � � � CONV HEATER (S.N.A : SERVICE NOT AVAILABLE) Level Code No. Description Specification Q’ty SA/SNA Remark RAS- ASSY PCB PARTS...

  • Page 38: Schematic Diagrams

    9. Schematic Diagrams 9-1 Schematic Diagrams - 35 -...

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