Maytag JDS8850BD Technical Information page 5

Component & Control Testing Procedures
To avoid risk of electrical shock, personal injury or death; disconnect power and gas to range before servicing,
unless testing requires power and/or gas.
Illustration
Downdraft motor
(JDS986*BD*)
NOTE: Downdraft
fan will not engage
if pan (snap) switch
is not activated.
Electronic control
Cooling fan motor
Control Component
Switch membrane assembly
JDS9865BD*
February 2006
© 2006 Maytag Services
!
Component
Measure voltage.........................................
Check motor windings to ground ................
NOTE: To avoid equipment damage,
use caution when checking electronic
control circuitry voltages.
Measure voltage.........................................
Check motor windings to ground ................
COOLING FAN TEMPERATURES
MODE FAN ON TEMP F (C)
Bake 300 (148.9 C)
Broil Immediately
Clean Immediately
Test Procedure
Closed circuitry resistance
(defined as continuity): 2000 Max Ω
Pins 1 & 7 are shorted together for control
configuration purposes
Latch
Trace # 1
See Detail B
WARNING
Test Procedure
FAN OFF TEMP F (C)
275 (135 C)
275 (135 C)
275 (135 C)
Pad
1
2
3
4
5
6
7
8
9
0
Cancel
Bake
Broil
Convect
Clean
Favorites
Detail B
Rapid Preheat
Vent Fan
More Options
Setup
ATM 1
ATM 2
Back
Enter
Timer 1
Timer 2
Oven Light
5
Results
120 VAC.
No continuity.
RPM: 1550
AMPERAGE: Approx. 2.4
120 VAC.
No continuity.
RPM: Approx. 1670 to 2070
AMPERAGE: Approx. .22
Results
Trace Measurement
2 & 7 Continuity
2 & 8 Continuity
2 & 9 Continuity
2 & 10 Continuity
2 & 11 Continuity
2 & 12 Continuity
3 & 6 Continuity
3 & 7 Continuity
3 & 8 Continuity
2 & 6 Continuity
4 & 9 Continuity
4 & 10 Continuity
4 & 11 Continuity
5 & 9 Continuity
5 & 7 Continuity
4 & 12 Continuity
5 & 10 Continuity
5 & 11 Continuity
5 & 8 Continuity
5 & 6 Continuity
4 & 6 Continuity
4 & 7 Continuity
3 & 9 Continuity
3 & 10 Continuity
3 & 11 Continuity
3 & 12 Continuity
4 & 8 Continuity
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