Jenn-Air JGC8430BDB/Q/S/W, Service Manual

Page: 15 / 43

Component Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power and gas to cooktop before servicing,
unless testing requires power.
©2004 Maytag Services
16023565 15
Illustration Component Test Procedure Results
Infinite switch
JGCP648ADP
Remove wiring from terminals
P1 and P2, connect voltmeter to
P1 and P2.
Measure voltages at each setting..
Time On Time Off
LO 5% 95%
MED (5-6) 50% 50%
HI 100% 0%
120 VAC
Griddle assembly
JGCP648ADP
Measure cold (room temperature)
resistance between terminals ........
10.41
Ω
to 11.51
Ω
, approximately
1300 Watts
Surface indicator
light
JGCP648ADP
Measure voltage at light ................ 120 VAC
Power cord 3-wire
All
Verify resistance of wires to
terminals ........................................
Continuity
Spark switch
JGC8645BDS
Test for voltage at terminals ........
Disconnect wiring and check for
continuity in LITE position............ 120 VAC
Continuity in LITE position.
Spark switch
JGC8430BD*
Test for voltage at terminals ..........
Disconnect wiring and check for
continuity in LITE position.............. 120 VAC
Continuity in LITE position.
270
°
Switch
JGC8430BD*,
JGC8645BDS
Verify gas is supplied.
Orifice adjusted for
Natural or LP.
Adjust set screw for simmer
control............................................ To replace burner valve(s),
complete assembly must be
replaced (manifold and valves).
See conversion section.
Spark ignition
electrode
JGC8430BD*,
JGC8645BDS
Test for resistance of spark lead ...
Test ignitor to chassis.................... Continuity
No continuity from ignitor to
chassis.
Surface burner
Verify gas is supplied.....................
Verify burner cap is positioned
correctly. Check for obstructions in burner
ports.
L
A B
A1 B1 N
Spark B module
JGC8645BDS
Test for voltage at terminals
A and N..........................................
Check polarity and ground.............
120 VAC
See wiring diagram
L
A B
A1
B1 N
Spark module
4 + 0
JGC8430BD*
Test for voltage at terminals
A and N..........................................
Check polarity and ground.............
120 VAC
See wiring diagram