LG LDE4415BD, Service Manual

Page: 36 / 101

3-17
COMPONENT ACCESS
WARNING
• DISCONNECT power supply cord
from the outlet before servicing.
• Replace all panels and parts before
operating.
• RECONNECT all grounding devices.
- Failure to do so can result in severe personal
injury, death or electric shock.
CAUTION
• Use caution when handling sheet
metal parts while servicing the
range.
- Some parts may have sharp edges, which
could result in injury.
1. Turn off the electric supply going to the range.
2. Pull the range away from the wall so that you can
access the rear panel.
3. Remove the back cover.
(see page 3-8 for the procedure)
4. Disconnect the wires from the latch drive motor
and switch.
5. Remove the 1 mounting screw from the latch drive.
1 Screw
6. Unhook the Latch rod from the cam.
REMOvING THE LATCH DRIvE ASSEMBLY
(For both the Upper & Lower oven)
DOOR LOCKING MECHANISM
The door lock assembly is located at the back side
of range.
The structural elements are as below.
1. When the oven control is programmed and
started for the Self clean and Lock out mode,
PCB (Power control board) chip operates the
motor.
HOOK
Latch ROD
MOTOR
CAM
MICRO
SWITCH
2. The cam moves the door hook connected to latch
rod from unlocked position to locked position
(from locked Position to unlocked position)
3. The cam activates the micro switch that causes
the motor to stop.
4. The locked status remains until the range
temperature drops to approximately 500F after
end of the self clean or lock out feature is
reactivated. The motor operates to unlock door at
that time.