20
(2) Secondary interlock switch and interlock monitor switch
When the door is closed, the hook
presses the button of the monitor
interlock switch to bring it under “NO” ,
condition and presses the button of the
secondary interlock switch to bring it
under “NO” , 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 1.2 mm measured at the top of the button.
(3) Adjustment steps
a)Loosen the mounting screw.
b) Adjust interlock switch assembly position.
c) Confirm the gap (1.2mm) described above.
d) Completely tighten the mounting screw.
(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
INTERLOCK
MONITOR
SWITCH
HOOK
NOTE : Micorwave emission test should be performed after adjusitng interlock machanism. If the microwave
emission exceed 4mW/cm
2
, readjust interlock mechanism.
Secondary
Interlock
Switch
RD
WH
WH
BL
BK
WH
WH
RD
Interlock
Monitor
Switch
Primary
Interlock
Switch
SYMBOL
COLOR
RD
RED
WH
WHITE
BK
BLACK
BL
BLUE
