Wall Oven Testing Procedures - Jenn-Air JMW8527DA Series Service Manual

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
Oven light socket
Oven light housing
Bake element
Bake element
Broil element
Broil element
Resistor assembly
Convection element
Convection motor fan
Cooling fan motors
Temperature sensor
Controls
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Component
Test continuity of receptacle terminals .
Measure voltage at oven light ..............
Disconnect connector and test
resistance of terminals .........................
Measure voltage at oven light ..............
Test continuity of terminals ..............
Test voltage to terminals..................
Test continuity of terminals ................
Test voltage to terminals....................
Test continuity of terminals ..............
Test voltage to terminals..................
Test continuity of terminals ................
Test voltage to terminals....................
Test continuity of resistor ...................
Test continuity of terminals ................
Test voltage to terminals....................
Verify supply voltage..........................
Check continuity of terminals, and
verify terminals are not shorted to
chassis...............................................
Verify supply voltage..........................
Check continuity of terminals, and
verify terminals not shorted to chassis
Measure resistance............................
Verify proper operation.
16022821 Rev. 0
WARNING
Test Procedure Results
Indicates continuity with bulb screwed in.
120 VAC; see wiring diagram for terminal
identification. If no voltage is present at
oven light check wiring.
Verify bulb is plugged in properly.
Indicates continuity with bulb installed.
12 VAC, see wiring diagram for terminal
identification.
If no voltage is present at oven light,
check wiring or light switches.
2600 W - Approximately 21 Ω - cold
2800 W - Approximately 20 Ω - cold
240 / 208 VAC
Approximately 20 Ω - cold
240 / 208 VAC
Approximately 25 Ω - cold
240 / 208 VAC
Approximately 15 Ω - cold
240 / 208 VAC
Approximately 41 Ω
Approximately 30 Ω - cold
240 / 208 VAC
120 VAC
Approximately 400 Ω
120 VAC
Continuity
Approximately 1080 Ω at room
temperature (70ºF).
Open at 260°F, Closes at 200°F
Open at 225°F, Closes at 165°F
Open at 215°F, Closes at 155°F
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