INTERLOCK SYSTEM
INTERLOCK MECHANISM
The door lock mechanism is a device which has been specially designed to eliminate completely microwave activity when the door is opened during cooking and thus to prevent the danger resulting from the microwave leakage.
ADJUSTMENT PROCEDURES
To avoid possible exposure to microwave energy leakage, adjust the door latches and interlock switches, using the following procedure.
The Interlock Monitor and Primary Interlock Switch act as the final safety switch protecting the user from microwave energy. The terminals between “COM” and “NC” of the Interlock Monitor must close when the door is opened. After adjusting the Interlock Monitor Switch, make sure that it is correctly connected.
Mounting of the primary/monitor/secondary switches to the latch board.
Latch Board
Secondary
Interlock Switch
Interlock
Monitor Switch
Primary
Interlock Switch
Figure 22
LATCH
Figure 23
LATCH BOARD
CHECK THE DOOR LATCH AND SWITCH CLOSING.
NOTE:
The outer cover of the microwave oven is removed.
(1)Set the microwave oven on its side so that you can see the latch board and the switches, as shown in Figure 22.
(2)Close the door tightly and check gaps A and B to be sure they are no more than 1/64” (0.5 mm). See Figure 23 for
(0.5 mm), adjustment of the latch board may not be necessary. Go to Steps 5 and 6 to check the sequence of the switches.
NOTE:
To correct sequence of the Primary Interlock Switch, Secondary Interlock Switch and the Interlock Monitor Switch is very important.
If any gap is larger than 1/64” (0.5 mm), you will need to adjust the latch board”. Go to step 3 and follow all steps in order.
ADJUST THE LATCH AND SWITCH CLOSING
(3)Loosen the two screws holding the plastic latch board as shown.
(4)With the oven door closed tightly, move the latch board upward toward the top of the oven and/or away from the door latch until the gaps are less than 1/64” (0.5 mm).
Hold the latch board tightly in this position until you check the sequence of the switches in steps 5 and 6.