Primary Secondary And Monitor Interlock Switch Checkout Procedures - Jenn-Air JMD2124WS Technical Education

A. Cavity thermostat
B. Magnetron
PRIMARY SECONDARY AND MONITOR INTERLOCK
C. Stirrer motor
D. Cavity light
E. Third drawer switch
SWITCH CHECKOUT PROCEDURES
Primary, Secondary, and Monitor Interlock Switch Checkout Procedures
S w c t i h C h e k c B y
Primary 1. Unplug microwave oven or disconnect power.
Interlock
2. Disconnect the wires at the Primary Interlock Switch.
3. Check the terminals.
Secondary 1. Unplug microwave oven or disconnect power.
Interlock
2. Disconnect pin connector at the electronic control.
3. Check from the orange/black wire (pin 7) to the black/brown wire (pin 8).
Monitor 1. Unplug microwave oven or disconnect power.
Interlock
2. Disconnect the common terminal (white/white wire) and the normally
closed terminal (red/brown wire).
3. Check the terminals
(+) Continuity (-) No Continuity
NOTE: These diagrams are not intended to show a complete circuit; they represent the position of switches during "DRAWER OPEN" or
"DRAWER CLOSED" (continuity checks only).
Drawer Closed
L
(NC) (NO) (NO)
Secondary
Interlock
Switch
Drawer Open
L
(NC) (NO) (NO)
Secondary
Interlock
Switch
J
F. Drawer sensing switch
G. Front drawer switch
H. H.V. capacitor
I. H.V. diode
J. Rear drawer switch
N
(NC)
(NC)(NO)
Monitor Primary
Interlock Interlock
Switch Switch
N
(NC)(NO) (NC)
Monitor Primary
Interlock Interlock
Switch Switch
K AC line filter
L. H.V. transformer
M. Secondary interlock switch
N. Monitor interlock switch
O. Cooling fan motor
1. Unplug microwave oven or disconnect power.
2. A de nite "click" can be heard when the microwave oven
drawer is unlatched.
NOTE: Hold the drawer in a closed position and the pull the
drawer open. This causes the latch leads to rise, making it
possible to hear the "click" as
3. Visually check the drawer and cavity face plate for damage
(dents, cracks, signs of arcing, etc.).
4. Carry out any remedial work that is necessary before
operating the oven.
6-2
D a r w r e O p e n D a r w r e
- +
- +
+ -
the drawer switches operate.
C o l e s d
3