INTERLOCK MECHANISM AND ADJUSTMENT
The door lock m echanism is a device which has been specially designed to com pletely elim inate m icrowave radiation when
the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave.
(1) Prim ary interlock switch
W hen the door is closed, the hook locks the oven door. If the door is not closed properly, the oven will not operate.
W hen the door is closed, the hook pushes the button of the m icroswitch. Then the button of the primary interlock switch
bring it under O N condition.
(2) Secondary interlock switch and interlock m onitor switch
When the door is closed, the hook pushes the lock lever downward. The hook presses the button of the interlock m onitor
switch to bring it under NO condition. The lock lever presses the button of the secondary interlock switch to bring it under
O N condition.
(3) Adjustm ent steps
a) Loosen the one m ounting screw.
b) Adjust interlock switch assem bly position.
c) M ake sure that lock lever m oves sm oothly after adjustm ent is com pleted.
d) Tighten com pletely one m ounting screw.
P rimary
interlock
switch
Interlock
monitor
switch
Se co ndary
interlock
switch(front)
Lock lever
Hook
Condition : DOOR CLOSE
B utton
Mounting screw
Condition : DOOR OPE N
Door ope n
monitor
switch(rear)
ADJUSTMENT
Interlock m onitor switch
W hen the door is closed, the interlock m onitor sw itch should be changed(NO condition) before other switches are closed.
W hen the door is opened, the interlock m onitor sw itch should be changed(NC condition) after other switches are opened.
NOTE
M icrow ave em ission test should be perform ed after adjusting interlock m echanism . If the m icrow ave em ission exceed
4m W /cm
2
, readjust interlock m echanism .
