Samsung GE87W Service Manual page 21

6-1 Electrical Malfunction(continued)
Buttons of the control panel do not work.
Are buttons
pressed in the
correct order?
Is the
connector of the
control panel
normal?
Replace PCB.
Food is not heated even though an oven works.
Is the latch
switch operating
normally?
Checking high voltage circuits
Refer to "Checking high voltage circuits"
on the previous page.
Inspeciton method
Membrane Switch
Securing nuts
Door Key
Door open
- 18 -
Refer to User Manual
Tact Type
Button
Membrane Type
Method to control latch switch
1. Loosenly tighten the nuts
to check whether the
primary interlock switch
works by slightly moving
latches to right and left.
Then firmly tighten nuts.
2. Check whether the
secondary interlock
switch and door sensing
switch work by slightly
moving latches to right
and left, then firmly
tighten nuts.
Door closed
Switch
(Tact Switch)
Switch
Connector
Connector