Daewoo KOD-135P9S, Service Manual

Page: 18 / 37

18
INTERLOCK MECHANISM AND ADJUSTMENT
The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation when
the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave.
(1) Primary interlock switch
When the door is closed, the hook locks the oven door. If the door is not closed properly, the oven will not operate.
When the door is closed, the hook pushes the button of the micro switch. Then the button of the primary interlock switch
bring it under NO condition.
(2) Secondary interlock switch and interlock monitor switch / interlock lamp switch
When the door is closed, the hook pushes the lock lever downward. The lock lever presses the button of the interlock
monitor switch to bring it under NO condition. The lock lever presses the button of the secondary interlock switch to bring
it under NO condition.
(3) Pizza Oven interlock switch
When the pizza tray is closed, the lever pushes the lever of the micro switch.
Then the button of the toast interlock switch bring it under NO condition.
(4) Adjustment steps
a) Loosen the one mounting screw.
b) Adjust interlock switch assembly position.
c) Make sure that lock lever moves smoothly after adjustment is completed.
d) Tighten completely two mounting screws.
WH/BK
RD/RD
BL
BK
GN
BL
Condition : DOOR OPEN Condition : DOOR CLOSE
INTERLOCK
LAMP SWITCH(REAR)
ADJUSTMENT :
Interlock monitor switch
When the door is closed, the interlock monitor switch should be changed (NO condition) before other switches are closed.
When the door is opened, the interlock monitor switch should be changed (NC condition) after other switches are opened.
NOTE :
Microwave emission test should be performed after adjusting interlock mechanism.
If the microwave emission exceed 4mW/cm 2 , readjust interlock mechanism.