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MIDEA SERVICE MANUAL
MICROWAVE OVEN
Type: OVER THE RANGE
December,
2017
This document is published to be used for after sales service only. The content are subject
to change without prior notice.
In interest of user safety the appliance should be restored to its original condition and only
parts identical to those should be applied.
Midea Kitchen Appliance
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Summary of Contents for Midea EM048K6DMP
- Page 1 MIDEA SERVICE MANUAL MICROWAVE OVEN Type: OVER THE RANGE December, 2017 This document is published to be used for after sales service only. The content are subject to change without prior notice. In interest of user safety the appliance should be restored to its original condition and only parts identical to those should be applied.
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Page 2: Table Of Contents
CONTENTS CAUTIONS ..................SERVICE INFORMATION .............. Grounding Instructions ..............Microwave Leakage Test ..............Description And Function Of Component ............. COMPONENT TEARDOWN ..............1. Hood Ehaust Louver Removal ................2. Removal of Oven From Wall ................3. Outer Case Removal ................4. -
Page 3: Cautions
CAUTIONS THE OVEN IS TO BE SERVICED ONLY BY PROPERLY QUALIFIED SERVICE PERSONNEL. WARNING TO SERVICE PERSONNEL Microwave ovens contain circuitry capable of pro- ducing very high voltage and current, contact with following parts may result in a severe, possibly fatal, electrical shock. -
Page 4: Service Information
SERVICE INFORMATION Grounding Instructions This oven is equipped with a three prong grounding Grounded 3-Pronged Plug Receptacle Box plug. It must be plugged into a wall receptacle that is properly installed and grounded in accordance with the National Electrical Code, local codes and ordinances. In the event of an electrical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the electric current. -
Page 5: Description And Function Of Component
Description And Function Of Component CAUTION: BEFORE REPLACING A BLOWN MONITOR DOOR OPEN MECHANISM FUSE TEST THE DOOR SENSING SWITCH, The door is opened by pulling the door handle, refer to the SECONDARY INTERLOCK RELAY (RY2), RE- Figure D-1. LAY (RY1), PRIMARY INTERLOCK SWITCH AND MONITOR SWITCH FOR PROPER Latch heads OPERATION. -
Page 6: Component Teardown
COMPONENT TEARDOWN 2. Removal Of Oven From Wall CAUTION 1. Disconnect oven from power supply before NOTE removing outer case. 2. Discharge the high voltage capacitor before Two persons are recommended to remove the oven touching any oven components or wiring. from a wall installation. -
Page 7: High Voltage Transformer Removal
4. High Voltage Transformer Removal 6. Magnetron Removal 1. Disconnect the power supply cord, remove oven CAUTION from wall, then remove outer case. 2. Open the door and block it open. When replacing the magnetron, be sure the R.F. Gasket is in place and mounting screws are 3. -
Page 8: Hood Fan Motor Removal
11. T urntable Motor And ood Lamp 8 8 8 8 8 8 8 8 8 8 8 8 . Hood Fan Motor Removal Sockets Removal 1. Disconnect the power supply cord, remove oven 1. Disconnect the power supply cord. from wall, then remove outer case. -
Page 9: Control Assembly Removal
13. Control Assembly Removal 16. Door Assembly Removal 1. Disconnect the power supply cord. 1. Disconnect the power supply cord. 2. Open the door and block it open. 2. Open the door and block it open. 3. Discharge high voltage capacitor. 3. -
Page 10: Convection Motor Removal
Thermal Cut-Out (Convection) Removal Convection M M M M otor Removal 1. Disconnect the power supply cord, remove oven 1. Disconnect the power supply cord, remove oven from wall, then remove outer case. from wall, then remove outer case. 2. Open the door and block it open. 2. -
Page 11: Troubleshooting And Testing
TROUBLESHOOTING AND TESTING Troubleshooting Guide Chart CAUTIONS 1. Check grounding before checking for trouble. 2. Be careful of the high voltage circuit. 3. Discharge the high voltage capacitor. (See page 2-1) CK = Check / RE = Replace CONVECTION THERMAL CUT-Ou t CONVECTION HEATER CONVECTION MOTOR... -
Page 12: Test Procedures
Test Procedures Procedure Component Test Letter MAGNETRON ASSEMBLY TEST WARNING High voltages are present during the cook cycle, so extreme caution should be observed. Discharge the high voltage capacitor before touching any oven components or wiring. 1. Disconnect the power supply cord, and then remove outer case. 2. - Page 13 Test Procedures Procedure Component Test Letter POWER TRANSFORMER TEST WARNING Do not touch the components of the power transformer while power transformer is energized. It is dangerous because this has high voltage components. (High voltages are present at the high voltage terminal, so do not attempt to measure the fi lament and high voltage.) 1.
- Page 14 Test Procedures Procedure Component Test Letter HIGH VOLTAGE CAPACITOR TEST 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open. 3. Discharge high voltage capacitor. 4. If the capacitor is open, no high voltage will be available to the magnetron. Disconnect input leads and check for short or open between the terminals using an ohmmeter.
- Page 15 Test Procedures Procedure Component Test Letter PRIMARY INTERLOCK SWITCH TEST 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open. 3. Discharge high voltage capacitor. 4. Isolate the switch and connect the ohmmeter to the common (COM.) and normally open (NO) terminal of the switch.
- Page 16 Test Procedures Procedure Component Test Letter MONITOR SWITCH TEST 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open. 3. Discharge high voltage capacitor. 4. Before performing this test, make sure that the secondary interlock switch and the primary interlock relay are operating properly, according to the Switch Test Procedure.
- Page 17 Test Procedures Procedure Component Test Letter HOOD FAN MOTOR TEST 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open. 3. Discharge high voltage capacitor. 4. If the motor does not turn, touch the FAN button once and check voltage between pins “1” and “2”...
- Page 18 Test Procedures Procedure Component Test Letter KEY UNIT NOTES: 1. Check key unit ribbon connection before replacement. 2. Reconnect all leads removed from components during testing. 3. Re-install the hood intake duct R with two (2) screws.1. Re-install the outer case (cabinet). 4.
- Page 19 Test Procedures Procedure Component Test Letter KEY UNIT TEST 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open. 3. Discharge high voltage capacitor. 4. Remove the control panel assembly. 5. If the display fails to clear when the CANCEL pad is depressed, first verify the flat ribbon cable is making good contact, verify that the door sensing switch (stop switch) operates properly;...
- Page 20 Test Procedures Procedure Component Test Letter DEFROST CENTER TEST 1. Open the door. 2. Place one cup of water in the center of the turntable tray in the oven cavity. 3. Close the door . 4. Touch the “DEFROST” pad once. Touch the “...
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Page 21: Attached Files List
ATTACHED FILES LIST 1. Exploded View 2. Spare Parts List 3. Wiring Diagram * Note: The manual may update without prior notice. Please download the latest version on website: https://tsp.midea.com.
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