GE JS998 Series - Broiler Element Not Working Troubleshooting

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Broiler Does Not Work
Enter the service mode and
turn the broil element on.
Is the broil element on?
No
Is 240 VAC present from the MPB relay
K11 COM to K7 NO contacts?
Yes
No
Is 240 VAC present from the MPB
relay K11 COM to K7 COM contacts?
No
Yes
Yes
Is 4.2 VDC present from the MPB
connectors J1, pin 1 to J3, pin 2?
No
Yes
Repair the faulty
wiring from the
MLB to MPB.
No
Is 240 VAC
present at the
broil element
connectors?
Replace the broil element.
Repair the faulty wiring from the
MPB to the broil element.
Yes
No
Replace
the MPB.
Is 240 VAC present from the MPB
relay K11 NO to K7 COM contacts?
Repair the faulty wiring
from the input of L1 or L2.
No
Is 4.6 VDC present from the MLB
connectors J3, pin 6 to J5, pin 2?
Yes
Replace
the MLB.
Is 4.6 VDC present from the MPB
connectors J1, pin 6 to J3, pin 2?
Is 4.2 VDC present from the MLB
connectors J3, pin 1 to J5, pin 2?
Replace
the MLB.
No
Yes
No
Yes
Is 4.6 VDC present from the MLB
connectors J3, pin 11 to J5, pin 2?
Yes
Is 4.6 VDC present from the MPB
connectors J1, pin 11 to J3, pin 2?
Repair the faulty
wiring from the
MLB and MPB.
No
Yes
Replace
the MPB.
Repair the faulty
wiring from the
MLB to MPB.
Replace
the MLB.
No