Component Testing Procedures
!
WARNING
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.
©2005 Maytag Services
16022089
15
Component Testing Procedures
Illustration Component
Test
Procedure
Results
Oven light housing
Disconnect connector and test
resistance of terminals ...........................
Measure voltage at oven light ................
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.
Primary
Primary
Secondary
Secondary
Step-down
transformer
Measure voltage at:
Primary terminals ...............................
Secondary terminals...........................
120 VAC (tolerance: 108 to 127 VAC)
10W load (bulb): 11.4 to 11.8 VAC
20W load (bulb): 10.8 to 11.4 VAC
Door plunger switch
Remove switch from unit and measure
the following points:
COM to NO.........................................
Plunger in continuity, plunger out infinity.
Autolatch assembly
Disconnect wires and test for
continuity per wiring diagram.
Refer to Parts Manual for correct
autolatch switch associated with the
correct manufacturing number.
See wiring diagram for schematic layout.
Access assembly by removing right side
panel.
Common is in neutral position unless
locking or unlocking autolatch assembly.
270
°
valve
6.5 K btu
9.1 K btu
10.5 K btu
12 K btu
Verify gas is supplied.
Adjust set screw for simmer control.
Spark 270
°
switch
Test for voltage at terminals...................
Disconnect wiring and check for
continuity in LITE position ......................
120 VAC
Continuity in LITE position.
Spark ignition
electrode
Test for resistance of spark lead ............
Test ignitor to chassis ............................
Continuity
No continuity from ignitor to chassis.
Top surface burner
6.5 K btu,
9.1 K btu
10.5 K btu
12 K btu
Verify gas is supplied .............................
Verify burner cap is positioned
correctly.
Check for obstructions in burner ports.
Top surface burner
cap
Verify cap is positioned correctly............ Check for obstructions in burner ports.
L
A
B
A1
B1
N
Spark module 4 + 0
Test for voltage at terminals L and N .....
Check polarity and ground .....................
120 VAC (tolerance: 109 to 125 VAC)
See wiring diagram
Temperature sensor
Measure resistance................................ Approximately 1100
Ω
at room
temperature 75° F (23.8° C).
Broil burner
Verify gas is supplied.
Orifice adjusted for Natural or LP ...........
Check for obstructions or
contamination in ports............................
Factory set to Natural Gas.
Adjust as necessary.
Air shutter opening set to .281 to .343.
Replace if punctured or torn.
Summary of Contents for JGS8750ADB
Page 27: ... 2005 Maytag Services 16022089 A 1 Appendix A ...
Page 33: ... 2005 Maytag Services 16022089 B 1 Appendix B ...
Page 34: ...B 2 16022089 2005 Maytag Services Use Information ...
Page 35: ... 2005 Maytag Services 16022089 B 3 Use Information ...
Page 36: ...B 4 16022089 2005 Maytag Services Use Information ...
Page 37: ... 2005 Maytag Services 16022089 B 5 Use Information ...
Page 38: ...B 6 16022089 2005 Maytag Services Care Information ...
Page 39: ... 2005 Maytag Services 16022089 B 7 Care Information ...
Page 40: ...B 8 16022089 2005 Maytag Services Care Information ...
Page 41: ... 2005 Maytag Services 16022089 C 1 Appendix C ...