Interlock Door Latch Switches - Maytag AMV6177AAB Service Manual

Disassembly Procedures
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W AR NIN G

Interlock Door Latch Switches

Primary switch is operated by the top latch pawl.
Interlock Switch Removal
1. Disconnect power to oven and remove control panel,
(see "Control Panel" procedure).
2. Discharge high voltage capacitor, (see "High Voltage
Capacitor" procedure).
3. Test interlock switches before removing, (see Testing
Procedures).
4. Disconnect and label wire connections.
5. Remove interlock switch.
!
Before replacing a blown monitor fuse, test the
primary interlock switch, secondary interlock switch,
monitor switch, and power relay contacts for proper
operation. If the monitor fuse is blown by a failed
switch operation, all switches and printed circuit board
must be replaced.
©2004 Maytag Services
Latch Board
Primary Interlock Switch
BK(CN1)
RD(Oven TCO)
RD(H.V.Transformer)
WH(from Convection Heater)
Monitor Interlock Switch
WH
RD/BK
Secondary Interlock Switch
PK(from P .C.B)
GN
CAUTION
To avoid the risk of electrical shock, personal injury or
death; disconnect power to oven and discharge
capacitors before following any disassembly procedure.
Adjusting Interlocks
The interlock monitor and primary switches act as a final
safety switch, protecting the operator from microwave
energy. After adjusting the interlock switches, verify
connections are correctly connected.
For door fit and switch operation, switch housing is
adjustable.
1. Disconnect power to oven and remove control panel,
(see "Control Panel" procedure).
2. Discharge high voltage capacitor, (see "High Voltage
Capacitor" procedure).
3. Loosen switch housing mounting screws on vertical
flange.
4. Close oven door, move latch board upward toward
the top of the oven and/or away from the door latch
until gaps are less than
5. Hold latch board securely for proper switch operation
and door fit, retighten screws.
6. Open the oven door slowly, watching the switches.
Verify switches release in the following order.
• Primary interlock switch
• Secondary interlock switch
• Monitor interlock switch
NOTE: Adjust the latch board until all switches operate
in proper sequence.
7. Close the oven door slowly, watching the switches.
Verify switches active in the following order.
• Monitor interlock switch
• Secondary interlock switch
• Primary interlock switch
8. When proper sequence of switch has been achieved,
tighten the latch board securely.
A microwave leakage test must be preformed anytime
a door assembly is removed, replaced, disassembled
or adjustment of latch board is made.
16023057 Rev. 0
1
/ –inch (0.5 mm).
64
!
CAUTION
25