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Electrolux E30MH65GPSA Technical & Service Manual
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Electrolux E30MH65GPSA Technical & Service Manual

Electrolux E30MH65GPSA Technical & Service Manual

Over the range microwave oven
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See also: Instruction and Installation Manual
Technical Service Manual
Over The Range Microwave Oven
Models
E30MH65GPSA
E30MH65GSSA
Publication #5995535480
P/N 316439276
June 2009

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Summary of Contents for Electrolux E30MH65GPSA

  • Page 1 Technical Service Manual Over The Range Microwave Oven Models E30MH65GPSA E30MH65GSSA Publication #5995535480 P/N 316439276 June 2009...

  • Page 3: Safe Servicing Practices

    All non-insulated electrical terminals, connectors, heaters, etc. are adequately spaced away from all metal parts and panels. • All safety grounds (both internal and external) are correctly and securely connected. • All panels are properly and securely reassembled. © 2009 Electrolux Home Products, Inc.

  • Page 4: Table Of Contents

    Basic Information This Manual has been prepared to provide Electrolux Service Personnel with Operation and Service Information for Electrolux Microwave Ovens E30MH65GPSA and E30MH65GSSA. Table of Contents Section 1 Basic Information Section 4 Component Teardown and Testing Safe Servicing Practices ..........
  • Page 5 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.

  • Page 6: Precautions To Be Observed Before And During Servicing To Avoid Possible Exposure To Excessive Microwave Energy

    Before servicing an operative unit, perform a microwave emission check as per the Microwave Measurement Procedure outlined in this service manual. If microwave emissions level is in excess of the specified limit, contact ELECTROLUX HOME PRODUCTS, INC. immediately. If the unit operates with the door open, service person should: 1) Tell the user not to operate the oven.

  • Page 7: Before Servicing

    Basic Information MICROWAVE OVENS CONTAIN CIRCUITRY CAPABLE OF PRODUCING VERY HIGH VOLTAGE AND CURRENT. CONTACT WITH THE FOLLOWING PARTS MAY RESULT IN A SEVERE, POSSIBLY FATAL, ELECTRICAL SHOCK. INVERTER UNIT, THAT INCLUDES HIGH VOLTAGE CAPACITOR, HIGH VOLTAGE POWER TRANSFORMER, HIGH VOLTAGE RECTIFIER, HEAT SINK ETC., AND MAGNETRON, HIGH VOLTAGE HARNESS ETC..

  • Page 8: Microwave Measurement Procedure Usa

    Basic Information Microwave Measurement Procedure (USA) A. Requirements: 1) Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by a microwave oven should not exceed 1 mW/cm 2 at any point 5 cm or more from the external surface of the oven, measured prior to acquisition by a purchaser, and thereafter (through the useful life of the oven), 5 mW/cm 2 at any point 5 cm or more from the external surface of the oven.

  • Page 9: Microwave Measurement Procedure Canada

    Basic Information Microwave Measurement Procedure (Canada) After adjustment of the door switches are completed individually or collectively, switch test and microwave leakage test must be performed with survey instrument and test result must be confirmed to meet the requirement of the performance standard for microwave ovens as under mentioned.

  • Page 10: Product Specification

    Basic Information Product Specification Item Description Power Requirements (USA)120 Volts / 13.0 Amperes / 1600 Watt 60 Hertz Single phase, 3 wire grounded Power Output 950 watts (IEC 705 Test Procedure) Operating frequency of 2450MHz Outside Dimensions) Width 29-7/8” Height 16-15/16” Depth 15-7/16”...

  • Page 11: Grounding Instructions

    Basic Information Grounding Instructions Discharging Capacitor High Voltage Warning! This oven is equipped with a three prong grounding plug. It must be plugged into a wall receptacle that is properly Do not attempt to measure any of the high voltages, installed and grounded in accordance with the National this includes the filament voltage of the magnetron.

  • Page 12: Oven Diagram

    Basic Information Oven Diagram Touch Control Panel Window with Door Drip Pan 4- Display Metal Shield Handle Cooking Vent Grille Window Guide Rack 1- Background 2- Touchpad Text 3- Touchpad Circles/Semi-circles 2- Numeric Glass Door Safety Model and Oven Control Keypad Turntable Lock System...

  • Page 13: Section 2 Installation And Operation

    Installation and Operation 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 14: Lighting And Filters

    Installation and Operation Lighting and Filters COOKTOP LIGHTS One 20-watt halogen bulb is located on the bottom. The bulb is user replaceable by removing one screw and lowering access cover. The bulb could be difficult to remove when replaced for the first time. A silicone glue Remove Screw is used to secure them during shipping.

  • Page 15: Section 3 Troubleshooting And Error Codes

    Troubleshooting and Error Codes Troubleshooting Guide If the fuse is blown by the Interlock Monitor Switch: Replace all of the following at the same time: Primary, door sensing switch and power relay, as well as the Interlock Monitor Switch. The correct adjustment of these switches is described elsewhere in this manual.

  • Page 16: Troubleshooting And Error Codes

    Troubleshooting and Error Codes Symptom Cause Corrections Oven is dead. 1. Open or loose lead wire harness. Check fan motor when thermal Fuse is OK. 2. Open thermal cutout (Magnetron) cutout is defective. Check Assembly 3. Open low voltage transformer. No display and no PCB when low voltage transformer is 4.
  • Page 17 Troubleshooting and Error Codes Symptom Cause Corrections Oven can program but 1. Open or loose wiring of secondary Adjust door and interlock switches. timer does not start. interlock switch See Section 4: Door Sensing Switch/ 2. Off-alignment of primary interlock Primary Switch/ And Monitor Switch 3.

  • Page 18: Error Codes

    Troubleshooting and Error Codes Error Codes Error Code Contents Cause of Troubles If overheat during cooking causes to reach 500˚F, 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 19: Section 4 Component Teardown And Testing

    Component Teardown and Testing TO PREVENT AN ELECTRIC SHOCK, TAKE THE FOLLOWING PRECAUTIONS: 1. BEFORE WIRING: 1) Disconnect the power supply. 2) Open the door and wedge the door open. 3) Discharge the high voltage capacitor and wait for 60 seconds. 2.

  • Page 20: Removing Oven From Wall

    Component Teardown and Testing Removing Oven From Wall Oven weights 74 lbs. Requires 2 people for removal. Oven is hooked on metal tabs at bottom of wall mounting plate and fastened to cabinet by (3) top cabinet bolts. 1. Disconnect power cord. For top vented models, disconnect duct and remove damper assembly.

  • Page 21: High Voltage Transformer And Fan Motor Assembly Removal

    Component Teardown and Testing High Voltage Transformer and Fan Motor Assembly Removal 1. High voltage is present at the high voltage 1. Disconnect oven from power supply and remove from terminals during any cook cycle. wall. 2. It is neither necessary nor advisable to attempt 2.

  • Page 22: Magnetron Removal

    Component Teardown and Testing Magnetron Removal Magnetron Antenna 1. Disconnect the power supply cord and then remove Gasket Plate outer case. 2. Open the door and block it open. 3. Discharge high voltage capacitor. To discharge the high voltage capacitor, wait for 60 seconds and then short-circuit the connection of the high-voltage capacitor (that is the connecting lead of the high-voltage rectifier) against the...

  • Page 23: High Voltage Capacitor Testing

    Component Teardown and Testing 6. The output power is obtained by the following High Voltage Diode Testing formula: 1. Isolate the diode from the circuit by disconnecting its leads. 2. With the ohm-meter set at the highest resistance scale, measure across the diode terminals. Reverse the meter leads and read the resistance.

  • Page 24: Vent Blower Testing

    Component Teardown and Testing Vent Blower Testing The blower is a two speed (HI-LO) capacitor run blower assembly located on top of the microwave oven. The blower is operated by low voltage relays located on the Damper Assembly smart board. The blower motor has 3 winding which can be tested for continuity from the front by removing the top grille and opening the control panel.

  • Page 25: Door "C" Removal

    Component Teardown and Testing Door “C” Removal Door “E” Removal Open the door and remove the door by pulling up from Following the procedure as shown below ,insert and bend hinge holes. (See Figure 4-11 and 4-12) a thin metal plate between Door “E” and Door “A” until you hear the ‘tick’...

  • Page 26: Main Fuse Removal

    Component Teardown and Testing Main Fuse Removal Stirrer Motor Removal The fuse is located on the upper duct mounted to the 1. Disconnect power and remove grille screws(2). Noise filter. 2. Remove grille and the bracket duct upper screw(1). 1. Disconnect power and remove grille. 3.

  • Page 27: Thermal Cutout Removal

    Component Teardown and Testing Thermal Cutout Removal Hood Thermal Cutout This cutout will protect the touch control from excessive There are 4 different thermal cutouts in this unit with 4 heat by turning the vent fan on at low speed. If the different purposes.

  • Page 28: Sensor Removal

    Component Teardown and Testing Sensor Removal Convection Fan Assembly The Sensor Cooking Function uses a special gas sensor 1. Disconnect oven from power supply and remove from which detects both humidity (steam) and hydrocarbons wall. (food odors) during the cooking process. Before 2.

  • Page 29: Servicing The Touch Control Panel

    Component Teardown and Testing while keeping it connected to the oven. Servicing The Touch Control Panel b) On some models, the power supply cord between Precautions For Handling Electronic Components the touch control panel and the oven proper is long This unit uses CMOS LSI in the integral part of the enough that they may be separated from each other.

  • Page 30: Control Box Removal

    Component Teardown and Testing Control Box Removal 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 31: Door Sensing Switch/Primary Switch/And Monitor Switch Removal

    Component Teardown and Testing Door Sensing Switch/Primary Switch/ 4. Reconnect to monitor switch and check the continuity of the monitor circuit and all latch switches again And Monitor Switch Removal by following the components test procedures. Removal 5. Confirm that the gap between the switch housing and the switch actuator is no more than 0.5mm 1.
  • Page 32 Component Teardown and Testing Notes 4-14...

  • Page 33: Wiring Diagram

    Wiring Diagrams Wiring Diagram...
  • Page 34 Wiring Diagrams Notes...

  • Page 35: Section 6 Parts List

    Parts List Description Q’ty Remark Description Q’ty Remark BRACKET-CASING ASSY-DUCT UPPER CABLE CLAMP ADIABATIC-CASING CBF LEAD WIRE-E COVER-CASING SOCKET-LAMP HALOGEN SHAFT-FAN BRACKET-OVEN SPACER-BEARING ASSY-WIRE HARNESS C BEARING ASSY-DUCT UPPER SUB HOLDER-BEARING NUT-MOUNTING PULLEY-FAN CASING DUCT-UPPER BRACKET-GUIDE ASSY-CAM LOUVER DUCT-UPPER BRACKET-DUCT(U) SWITCH-MICRO OUT-SIDE HOLDER-SENSOR...
  • Page 36 Parts List No. Description Q’ty Remark No. Description Q’ty Remark ASSY-COVER ADIBATIC LOWER BOLT-TOGGLE GUIDE-AIR(BOTTOM) BOLT-FLAT FILTER-CHARCOAL ASSY CAVITY-WELDING ASSY-GUIDE ROLLER ASSY-HANDLE ASSY DOOR TRAY-COOKING DOOR-A ASSY-COVER ADIBATIC RIGHT SCREEN-DOOR B ASSY DOOR A ASSY-GUIDE AIR(MGT) ASSY DOOR-A ASSY DOOR CAPACITOR-MOTOR SPRING-ES ASSY-GUIDE AIR(MGT) SUB...
  • Page 37 Parts List Oven And Cabinet Parts 40 37...
  • Page 38 Parts List Notes...

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