GE JS998 Series - Bake 2 Element Not Working Troubleshooting

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Bake 2 Element Does Not Work
Enter the service mode and
turn the bake 2 element on.
Is the bake 2 element on?
No
Is 240 VAC present from the MPB relay
K11 COM TO K103 NO contacts?
Yes
No
Is 240 VAC present from the MPB relay
K11 COM contact to K103 COM?
No
Yes
Is -14.0 VDC present from the MLB
connectors J3, pin 6 to J5, pin 2?
Yes
Is -14.0 VDC present from the MPB
connectors J1, pin 6 to J3, pin 2?
Repair the faulty
wiring from the
MLB and MPB.
No
Yes
Replace
the MPB.
Is 4.2 VDC present from the MPB
connectors J1, pin 1 to J3, pin 2?
No
Repair the faulty wiring
from the MLB to MPB.
No
Is 240 VAC
present at the
bake 2 element
connectors?
Replace the bake 2 element.
Repair the faulty wiring from the
MPB to the bake 2 element.
Yes
No
Replace
the MPB.
Is 240 VAC present from the MPB relay
K11 COM contact to K7 NC?
Repair the faulty wiring from the
MPB relay K103 COM to K7 NC.
Yes
Is 240 VAC present from the MPB relay
K11 COM contact to K7 COM?
Yes
No
Is 0 VDC present from the MLB
connectors J3, pin 18 to J5, pin 2?
Yes
Replace
the MLB.
Is 4.2 VDC present from the MLB
connectors J3, pin 1 to J5, pin 2?
Replace
the MLB.
No
No
Is 240 VAC present from
the MPB relay K11 NO
contact to K7 COM?
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.
No
Repair the faulty wiring
from the L1 or L2 input.
Replace
the MLB.
No
No
Yes
Yes
Replace
the MPB.