Interlock Mechanism And Adjustment - Daewoo KOR664BWTAE013AB00 Service Manual

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.
HOOK
PRIMARY
INTERLOCK
SWITCH
LOCK LEVER
WH : WHITE
RD : RED
GN : GREEN
(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 microswitch. Then the button of the primary interlock switch
bring it under "ON" condition.
(2) DOM switch and interlock monitor 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 "OFF" condition and presses the button of the DOM switch to bring it under ON condition.
ADJUSTMENT :
Interlock monitor switch
When the door is closed, the interlock monitor switch should be "OFF" condition before other switches are "ON" condition.
When the door is opened, the interlock monitor switch should be "ON" condition after other switches are "OFF" condition.
(3) Adjustment steps
a) Loosen the one mounting screw.
b) Adjust interlock switch assembly position.
Actuation distance of primary and secondary interlock switch shall be adjusted almost 0.7mm.
c) Make sure that lock lever moves smoothly after adjustment is completed.
d) Tighten completely a mounting screws.
NOTE :
1) Service personnel have to reconnect and check continuity of Monitor Circuit.
2) Service personnel have to replace all monitored safety interlocks after monitored interlock failure.
3) Microwave emission test should be performed after adjusting interlock mechanism or replacing of all monitored safety
interlocks after monitored interlock failure.
If the microwave emission exceed 4mW/cm², readjust interlock mechanism.
RD/GY
RD/RD
BK
RD/WH
INTERLOCK
MONITOR
SWITCH
BL
BL
SECONDARY
INTERLOCK
SWITCH
BK : BLACK
BL : BLUE
GY : GRAY
CONDITION : DOOR CLOSED CONDITION : DOOR OPEN
15
BUTTON
MOUNTING SCREW