Samsung GE73MR Service Manual
  1. Manuals
  2. Brands
  3. Samsung Manuals
  4. Microwave Oven
  5. GE73MR
  6. Service manual

Samsung GE73MR Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Refer to the service manual in the GSPN(see rear cover) for the more information.
BASIC:
GE73MR
MODEL:
GE73M
MODEL CODE: GE73M/XEO
1. Precaution
. Pro uct S eci cation
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagrams
6. Wiring Diagrams
7. Schematic Diagrams

Advertisement

Table of Contents
loading

Related Manuals for Samsung GE73MR

Summary of Contents for Samsung GE73MR

  • Page 1 BASIC: GE73MR MODEL: GE73M MODEL CODE: GE73M/XEO 1. Precaution . Pro uct S eci cation 3. Disassembly and Reassembly 4. Troubleshooting 5. PCB Diagrams 6. Wiring Diagrams 7. Schematic Diagrams Refer to the service manual in the GSPN(see rear cover) for the more information.

  • Page 2: Table Of Contents

    Contents 1. Precaution ................3 1-1 Safety precautions .

  • Page 3: Precaution

    1. Precaution...

  • Page 4: Safety Precautions

    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 High Voltage Precautions

    1. Precaution 1-2 Special High Voltage Precautions 1. High Voltage Warning Do not attempt to measure any of H. V. Capacitor magnetron. High voltage is present during any cook cycle. Before touching any components or wiring, always unplug the oven and discharge the high voltage capacitor (See Figure 1-1) 2.

  • Page 6: S Eci Cations

    - 0.7 Marimba PJT. (Membrane Type) - 0.7 Ceramic Enamel Cavity 2-2 Table of Speci cations Model Items Model Basic Model New MODEL NAME GE73MR/BWT GE73M/XEO Power Source 230V ~ 50Hz AC 230V ~ 50Hz AC Power consumption Microwave 1150W...

  • Page 7: Accessory

    2. Speci cations 2-3 Accessory Item Description Code No. Q’ty Coupler DE67-00258A Assy-Guide Roller DE94-02266D Tray-cooking DE74-00027A Assy-Wire Rack DE74-70071D...

  • Page 8: Disassembly And Reassembly

    3. Disassembly and Reassembly 3-1 Disassembly of Magnetron, Motor Assembly and Lamp Remove the magnetron including the shield case, permanent magnet, choke coils and capacitors (all of which are contained in one assembly) Parts Explaination Photo Explaination Disconnect all lead wires from the magnetron and lamp.
  • Page 9 3. Disassembly and Reassembly 3-1 Disassembly of Magnetron, Motor Assembly and Lamp Parts Explaination Photo Explaination 4. Remove screws securing the magnetron to the wave guide. Magnetron, 5. Take out the magnetron very Motor Assembly carefully. and Lamp 6. Remove two screws from the back panel.

  • Page 10: Replacement Of High Voltage Trancefomer

    3. Disassembly and Reassembly 3-1 Disassembly of Magnetron, Motor Assembly and Lamp Parts Explaination Photo Explaination Magnetron, Remove the oven lamp from Motor Assembly hole of air cover. and Lamp NOTE1: When removing the magnetron, make sure that its antenna does not hit any adjacent parts, or it may be damaged.
  • Page 11 3. Disassembly and Reassembly 3-2 Replacement of High Voltage Trancefomer Parts Explaination Photo Explaination 3. Remove the mounting bolts. High Voltage Transformer 4. Replace the High Voltage Transformer 5. After replace, reconnect the PRECAUTION Servicemen should remove their watches whenever working close to or replacing the magnetron. PRECAUTION There exists HIGH VOLTAGE ELECTRICITY with high current capabilities in the circuits of the or near these circuits with the oven energized.

  • Page 12: Replacement Of Door Assembly

    3. Disassembly and Reassembly 3-3 Replacement of Door Assembly Parts Disassembly Photo Explaination Removal of Door “C” Door “A” and Door “C” to remove Door “C” and Door because it is fragile. Then remove door assembly. Assembly Removal of Door Lift up the Door Assembly from Cavity.

  • Page 13: Replacement Of Drive Motor

    3. Disassembly and Reassembly 3-4 Replacement of Drive Motor Parts Explaination Photo Explaination 1. Take out the glass tray, guide roller from oven cavity, disconnect power. 2. Remove turn table motor cover from case bottom. CAUTION : Remove sharp edge after cover removal.

  • Page 14: Replacement Of Control Circuit Board

    3. Disassembly and Reassembly 3-5 Replacement of Control Circuit Board Parts Explaination Explaination Photo Be sure to ground any static electric charge in your body and never touch the control circuit. Removal of Disconnect the connectors from the control circuit board. Control Box Assembly Remove screws securing the control...

  • Page 15: Replacement Of Heater

    3. Disassembly and Reassembly 3-6 Replacement of Heater Parts Explaination Explaination Photo Bracket 1. Remove the Screw on Bracket upper. Upper Cover 2. Remove the screw, Cover Blower and Bracket Upper Bracket Upper Blower Cover Blower 3. Remove the Nuts for disassemble the Gasket Gasket and lead Wire.

  • Page 16: Troubleshooting

    4. Troubleshooting 4. Troubleshooting 4-1 Parts checking method Parts Photo Good No Good Fuse T.C.O H.V Trans Convection Fan Motor Grill Heater...

  • Page 17: Error Code Numbering Rule

    4. Troubleshooting 4-2 Error Code Numbering Rule 1. ERROR CODE NUMBERING RULE is applied to a microwave oven and an oven.(CMO, OTR, Grill, Convection, Commercial etc.) 2. All sensors and devices have their own number. ex) Gas Sensor = 1, Temp. Sensor = 2, ... 3.
  • Page 18 4. Troubleshooting Weight Sensor Error Gas Sensor Error Case (E-1X) Solution Page Code E-31 Open (When value of HEX is above “FF” for 5 seconds) 19 Page 20 Page E-32 Short In case the initial value of HEX is under “14” for 30 E-33 seconds while a weight sensor in operation.

  • Page 19: Electrical Malfunction

    4. Troubleshooting 4-4 Electrical Malfunction 4-4-1 E-11, E-21, E-27, E-29, E-2B, E-31, E-32, E-41, E-46, E-61 Sensor Open Error (E-11, E-21, E-27, E-29, E-2B, E-31, E-32, E-41, E-46, E-61) : Check if the sensor housing is inserted into the connector Connect the sensor.
  • Page 20 4. Troubleshooting 4-4-2 E-12, E-22, E-28, E-32, E2A, E-2C ,E-42, E-2C, E-42 or E-62 Sensor Short Error (E-12, E-22, E-28, E-32, E2A, E-2C, E-42, or E-62) : Check if both terminals of the sensor are slightly shorted. Remove the shorted part Is the sensor shorted? of the temperature sensor.
  • Page 21 4. Troubleshooting 4-4-3 E-13, E-14, E-43, E-44, E-63 Sensor Max Time Error (E-13, E-14, E-43, E-44, E-63) Does it heat up without Insert food : Since heating without placing food into placing food into it? and heat it again. the oven may damage the product, take care. Does it heat with completely Place food with : Since heating completely dried food...
  • Page 22 4. Troubleshooting 4-4-4 -SE- Key Short Error (- SE -) Is the key not recognized at all? Is the key recognized intermittently? Is a specific key not recognized? The membrane is defective. S/W Error Replace the Control Panel. After Power > On, does the symptom continue? Replace the PCB.
  • Page 23 4. Troubleshooting 4-4-5 E-33, E-34 or E-35 Weight Sensor Error (E-33, E-34 or E-35) Has the turntable been placed over the roller properly? Place the turntable over the roller properly. Is the weight sensor Remove the foreign contaminated by any foreign substance.
  • Page 24 4. Troubleshooting 4-4-6 E-36 or E-47 Door Open Error(PH-Sensor, Weight Sensor), (E-36 or E-47) Was the door open during Close the door. the operation? Check the Door S/W : Check the housing connected to Is the door sensing part normal? and the housing.
  • Page 25 4. Troubleshooting 4-4-7 E-45 Cooling Error (E-45) : To remove moisture from the sensor, open the door for 5 minutes. Remove any moisture Is the sensor wet? of the sensor. sensor : Check if the GND and sensor terminal Check the sensor Is the sensor voltage over 3V? is maintained over 3V continuously during terminal and housing.
  • Page 26 4. Troubleshooting 4-4-8 E-51, E-53 or E-54 EEPROM Error (E-51, E-53, or E-54) Insert and solder : An R4LCO40 or 24LCO4 EEPROM Has the EEPROM been inserted? an EEPROM is to be used. Check if a proper EEPROM has been installed. Replace the Is the EEPROM terminal opened or EEPROM and repair...
  • Page 27 4. Troubleshooting 4-4-11 E-0b, E-2b, E-2C, 0t Cooling Fan Motor Sensor Error (E-0b, E-2b, E-2C, Ot) Is the temperature An “E-2b” error sensor of the PCB open? occurred. Insert the Was there a short- temperature sensor. circuit in the temperature An “E-2C, 0t”...
  • Page 28 4. Troubleshooting 4-4-12 E-23, E-26 Preheating Error (E-08, E-23, E-26) : Check the voltages of both heater terminals. Check the heater Does the heater work? related drive part. Heater terminal Replace the Is the heater temperature heater. very low? : After operating the heater for more then 10 minutes check if the heater temperature remains low.
  • Page 29 4. Troubleshooting 4-4-13 E-02, E-03, E-04 or E-05 Cooling Time Over Selection Error (E-02, E-03, E-04, or E-05) Is this happening during the MW operation? Is it happening during the Grill operation? Over Time is Over Time is set? set? Is it happening during the Convection...
  • Page 30 4. Troubleshooting 4-4-14 E-24 Oven Temperature Error (E-24) Is the oven internal temperature An “E-09” error maintained over 320 degrees? occurred. Has the oven internal temperature An “E-24, E-0A” error reached over 350 degrees? occurred. Reconnect the Is the temperature sensor temperature connectivity normal? sensor properly.
  • Page 31 4. Troubleshooting 4-4-15 E-25 Initial Temperature Error (at MW mode), (E-25) Is the oven in MW mode? An “E-25” error Is the internal temperature occurred. over 200 degrees? Press the Cancel key. Press the Cancel key to cancel the current state. Connect it Is the sensor connectivity properly...
  • Page 32 4. Troubleshooting 4-4-16 E-06 Swing Heater Detection Error (E-06) Is the oven in Bake Toast mode? After waiting for 20 seconds, Has the switch heater check if the micro-switch has operated for 20 seconds? been detected. The micro-switch is Has the micro-switch defective Replace it.
  • Page 33 4. Troubleshooting 4-4-17 If oven malfunction *Inspection method Oven does not operate. Is Primary interlock Is Fuse OK? switch normal? Is Power Relay normal? Is the magnetron Replace switch temperature switch normal? Power supply circuit check point Is SMPS power supply Do check power supply cirduit normal? circuit...
  • Page 34 4. Troubleshooting 4-4-18 If button malfunction Buttons of the control panel do not work. *Inspection method Are button pressed Refer to User Manual in the correct order? Tact type Is the connector of the control panel normal? Replace PCB. Menbrane type...
  • Page 35 4. Troubleshooting 4-4-19 If food is not heated even though an oven works *Inspection method Food is not heated even though an oven works. Is the latch switch Method to control latch switch operating normally? Checking high voltage circuits...

  • Page 36: Pcb Diagrams

    5. PCB Diagrams 5. PCB Diagrams 5-1 PCB Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 37: Pcb Diagrams

    5. PCB Diagrams 5-2 PCB Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 38: Wiring Diagrams

    6. Wiring Diagrams 6. Wiring Diagrams 6-1 Wiring Diagrams (This Document can not be used without Samsung’s authorization)
  • Page 39 6. Wiring Diagrams 6-1 Wiring Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 40: Schematic Diagrams

    7. Schematic Diagrams 7. Schematic Diagrams 7-1 Schematic Diagrams (This Document can not be used without Samsung’s authorization)
  • Page 41 GSPN (GLOBAL SERVICE PARTNER NETWORK) Area Web Site Europe, CIS, Mideast & Africa gspn1.samsungcsportal.com Asia gspn2.samsungcsportal.com North & Latin America gspn3.samsungcsportal.com China china.samsungportal.com © Samsung Electronics Co., Ltd. January. 2012. Printed in Korea...

This manual is also suitable for:

Ge73mGe73m/xeo

Table of Contents