Component Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor
before servicing, unless testing requires it.
RS5320014 Rev. 0
18
Illustration
Component
Testing
Results
C8901508
240
220
COM
Auto transformer
240
220
120
COM
Discharge Capacitor
Remove all wires from terminals, and
measure resistance from:
220 to 0
240 to 0
220 to 240
240 to earth
220 to earth
0 to earth
Approximately 55 ohms.
Approximately 55 ohms.
Approximately 1.5 ohms.
Infinite
Infinite
Infinite.
10788609
4
COM
230
220
6
5
Transformer
4
5
6
TCO
COM
220
230
Discharge Capacitor
Remove all wires from terminals, and
measure resistance from:
220 to Common
230 to Common
Terminal 5 to 6
Terminal 4 to Earth screw on transformer
Terminal 4 to any other terminal
This transformer is equipped with a
155
°
C thermal cutout
Approximately 1.3
Ω
Approximately 1.3
Ω
<1
Ω
70
Ω
Infinite resistance should be
indicated, if not replace transformer.
R0150102
Antenna motor
Remove all wires from motor.
Measure resistance across terminals.
Approximately 10 K
Ω
R0150155
Interlock switch
Type 1
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
Se condary
Lo gic/Primary
M onito r
D um my
D oo r O pe n
Disconnect wires to switch
With door open measure resistance from:
Terminal 2 to terminal 3
Terminal 4 to terminal 5
Terminal 7 to terminal 8
With door closed measure resistance from:
Terminal 2 to terminal 3
Terminal 4 to terminal 5
Terminal 7 to terminal 8
Infinite
Ω
Infinite
Ω
Indicates continuity
Indicates continuity
Indicates continuity
Infinite
Ω
12360503
7
8
2
4
3
5
Interlock switch
assembly
Type 2
Door closed
2
5
7
3
4
8
Disconnect wires to switch.
With door open measure resistance from:
Terminal 2 to 3 Secondary
Terminal 4 to 5 Primary
Terminal 7 to 8 Monitor
With door closed measure resistance from:
Terminal 2 to 3 Secondary
Terminal 4 to 5 Primary
Terminal 7 to 8 Monitor
Infinite
Infinite
Indicates continuity
Indicates continuity
Indicates continuity
Infinite
