Interlock Mechanism And Adjustment - Daewoo KOG-37BG0S 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.
(1) Primary interlock switch
When the door is closed, the hook locks the oven door. If the door is not 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) Secondary interlock 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 NO condition and presses the button of the secondary interlock switch to
bring it under ON condition.
ADJUSTMENT
Interlock monitor switch
When the door is closeed, 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.
(3) 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 one mounting screw.
NOTE
Microwave emission test should be performed after adjusting interlock mechanism. If the microwave emission
exceed 4mW.cm 2 , readjust interlock mechanism.
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