Jenn-Air JDS8850AAB Service Manual page 18

Testing Procedures
To avoid risk of electrical shock, personal injury or death; disconnect power and gas to oven before servicing,
unless testing requires power and/or gas.
Illustration
Venturi, rear
(long)
Model JDS9860A**
Tube, front
(short)
Model JDS9860A**
Tube, rear
(long)
Model JDS9860A**
E-burner grill
assembly
Model JDS9860A**
E-burner ignitor
Model JDS9860A**
Bake element
Broil element
Hi-limit temperature
switch
Convection
assembly
Convection motor
Cooling fan motor
Downdraft motor
Model JDS9860A**
Temperature sensor
18
!
Component
Nominal air shutter setting..................
Tolerance ...........................................
Nominal air shutter setting..................
Tolerance ...........................................
Nominal air shutter setting..................
Tolerance ...........................................
Verify gas is supplied ......................... Check for obstructions in burner ports.
Test for resistance of spark lead ........
Test ignitor to chassis.........................
Disconnect wiring to element and
measure cold resistance of
terminals.............................................
Measure voltage at bake element ......
Disconnect wiring to element and
measure cold resistance of
terminals.............................................
Measure voltage at broil element .......
Normally closed, verify operation:
Open: 269° to 291°F (132° to 144°C)
Closed: 173° to 207°F (78° to 97°C) .
Measure voltage.................................
Check motor windings to ground........
Measure voltage.................................
Check motor windings to ground ........
Measure voltage.................................
Check motor windings to ground ........
Measure resistance ............................ Approx 1100 Ω at room temperature
WARNING
Test Procedure
16026016
Results
.375 3/8"
.030 1/32"
.250 1/4"
.031 1/32" (approx.)
.585 19/32" (approx.)
.031 1/32" (approx.)
Continuity.
No continuity from ignitor to chassis.
Approx. 20.6 to 22.6 Ω.
240 VAC.
Approx. 13.3 to 14.7 Ω.
240 VAC.
Infinite.
Continuity.
120 VAC. (tolerance: 105 to 135 VAC)
No continuity.
RPM: Approx. 1750 to 2250.
120 VAC.
No continuity.
RPM: Idle: 3395
Load: 3000
Breakdown: 2400
120 VAC.
No continuity.
RPM: 1550, 2.4 amp
75° F (23.8° C).
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