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(2) Secondary interlock switch and interlock monitor switch
When the door is closed, the hook pushes the push lever downward, the push lever presses the button of the interlock
monitor switch to bring it under “OFF”, condition and presses the button of the secondary interlock switch to bring it
under “ON”, condition.
Adjustment 2
•
Interlock monitor switch
When the door is closed, the interlock monitor switch should be opened before other switches close.
When the door is opened, the interlock monitor switch should be closed after other switches open.
•
Secondary interlock switch
The movement of the switch button should exceed 1.2mm measured at the top of the button.
(3) Adjustment steps
a) Loosen the two mounting screws.
b) Adjust interlock switch assembly position.
c) Confirm the gap (1.2mm) described above.
d) Make sure that push lever moves smoothly after adjustments is completed.
e) Completely tighten the two mounting screws.
(4) Interlock switch replacement
Whenever safety interlock switch are replaced:
1) Refer to the following diagram.
2) Check the connection of monitor switch after replacement.
3) Perform the electrical continuity check of interlock switches and microwave emission test mentioned in this manual.
Interlock
Monitor
Swtich
Push Lever
Hook
Secondary
Interlock
Switch
NOTE : Microwave emission test should be performed after adjusting interlock machanism. If the microwave
emission exceed 4mW/cm
2
, readjust interlock mechanism.
Secondary
Interlock
Switch
BL
RD
WH
WH
WH
WH
BK
Interlock
Monitor
Switch
Primary
Interlock
Switch
RD
RD
RD
SYMBOL COLOR
RD RED
WH WHITE
BK BLACK
BL BLUE