Jenn-Air JMW8527DA Series Service Manual page 14

Wall Oven Testing Procedures
To avoid risk of electrical shock, personal injury or death; disconnect power to oven before servicing, unless
testing requires it.
Illustration
Bottom View Rotary encoder
Door plunger switch
NC
C
NO
Motorized door latch
Door switch
NO
COM
Stepdown transformer
Primary
Secondary
14
!
Component
Test continuity of terminals
Pin 3 to Pin 4 ..................................
Pin 1 to Pin 4 ..................................
Pin 2 to pin 4...................................
Remove switch from unit and
measure the following points:
C-NO..................................................
Switch connection in following
positions:
NC
Unlocked ............................................
NO
COM
Locked................................................
Remove switch from unit and
measure the following points:
C-NO..................................................
Verify input voltage.............................
Verify output voltage...........................
16022821 Rev. 0
WARNING
Test Procedure Results
No continuity with switch at rest position.
Continuity with switch depressed.
No continuity with switch at rest position.
Continuity with switch depressed and
changes stat as switch is rotated.
No continuity with switch at rest position.
Continuity with switch depressed and
changes stat as switch is rotated.
Plunger in continuity, Plunger out infinite.
COM-NO=Open, COM-NC=Closed
COM-NO=Closed, COM-NC=Open
Plunger in continuity, Plunger out infinite.
Approximately 120 VAC
Approximately 12 VDC
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