Samsung Electronics
4-3
1. Disconnect the oven from the power source.
2. Remove the 20A fuse in the fuse holder.
3. When replacing the 20A fuse, be sure to use an
exact replacement part. If new 20A fuse blows
out again after replacement, check the primary
interlock switch, door sensing switch and
interlock monitor switch.
4. 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.
1. Take out the glass tray and the guide roller from
the cavity.
2. Turn the oven upside down to replace the drive motor.
3. Cut out the drive motor cover with nipper and
remove it from the base plate.
4. Disconnect all the lead wires from the drive motor.
5. Remove screws securing the drive motor to the cavity.
6. Take out 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 drive motor cover to the base plate
with a screw driver.
10. Remount the coupler in the correct poaition.
4-4 Replacement of Fuse
4-5 Replacement of Drive Motor
Drive Motor
Disassembly and Reassembly
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.
