Samsung Electronics
4-3
1. Take out the glass tray, guide roller and coupler from
cavity.
2. Turn the oven upside down to replace the drive motor.
3. Remove a screw securing the drive motor cover.
4. Disconnect all the lead wires from the drive motor.
5. Remove screws securing the drive motor to the cavity.
6. Remove the drive motor.
7. When replacing the drive motor, be sure to remount it in
the correct position.
8. Connect all the leads to the drive motor.
9. Screw the deive motor cover to the base plate with a screw
driver.
10. Remount the coupler in the correct position.
1. Take out the outer panel.
2. Disconnect the connectors from the heater ceramic
and wire leade.
3. Remove two(3) screws securing the bracket upper to
the oven cavity.
4. Remove one screw securing the bracket heater.
Disassembly &ReaAssembly
Drive Motor
Screw
Screw
Screw
Bracket
Upper
Bracket
Heater
Ceramic
Heater
4-3-5 Reassembly Test
After replacement of the defective component parts of the door, reassemble it and follow the instructions 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.
2. Adjust so that the door has no play between the inner door surface and oven front surface. If the door
assembly is not mounted properly, microwave energy may leak from the space between the door and oven.
3. Do the microwave leakage test.
4-6 Ceramic Heater Replacement
4-5 Drive Motor Replacement
4-4 Replacement of Fuse
1. Disconnect the oven from the power source.
2. When 15A fuse blows out by the operation of interlock monitor switch failure, replace the primary
interlock switch, door sensing switch, monitor switch and power relay.
3. When the above three switches operate properly, check if any other part such as the control circuit board,
blower motor or high voltage transformer is defective.
