(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.
Interlock
Monitor
Swtich
Secondary
Interlock
Switch
Hook
Push Lever
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.
NOTE : Microwave emission test should be performed after adjusting interlock machanism. If the microwave emission exceed 4mW/cm2, readjust interlock mechanism.
(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.
Secondary
Interlock
Switch
WH
Interlock
Monitor RD
Switch
WH
Primary
Interlock
Switch
SYMBOL | COLOR |
RD | RED |
|
|
WH | WHITE |
WH
BK
BL
RD
RD
RD
WH
BK | BLACK |
BL | BLUE |
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