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

Page: 13 / 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 13
Illustration Component Test Procedure Results
Burner valve,
top, 360
°
JGD8348CDP
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).
1650 BTU per hour minimum.
See conversion section.
Burner valve,
left and right, 360
°
JGD8348CDP
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.
Snap switch
JGD8348CDP
Test for voltage at terminals ..........
Disconnect wiring and check for
continuity in LITE position.............. 120 VAC
Continuity in LITE position.
Dreefs spark
switch
JGD8348CDP
Test for voltage at terminals ..........
Disconnect wiring and check for
continuity in LITE position.............. 120 VAC
Continuity in LITE position.
Burner ignition
electrode
JGD8348CDP
Test for resistance of spark lead ...
Test ignitor to chassis.................... Continuity
No continuity from ignitor to
chassis.
Sealed surface
burner
JGD8348CDP,
JGC8430BD*,
JGC8645BDS
Verify gas is supplied..................... Check for obstructions in burner
ports.
L
A B
A1
B1 N
Spark module
2 + 0
JGD8348CDP
Test for voltage at terminals
L and N ..........................................
Check polarity and ground.............
120 VAC
See wiring diagram
L
A B
A1
B1 N
Spark module
4 + 0
JGD8348CDP
Test for voltage at terminals
L and N ..........................................
Check polarity and ground.............
120 VAC
See wiring diagram
Blower motor
assembly
JGD8348CDP
Verify resistance between white
and black wires.............................. 115 VAC, 60 Hz, 2.4 amps
1550 RPM, 1/10 HP, CWLE
Approx. 48
Ω
Rotary switch
JGD8348CDP
Test for voltage at terminals ..........
Disconnect wiring, reference
wiring diagram and check for
continuity in Lo and Hi positions .... 120 VAC
Continuity in Lo and Hi positions.