Jenn-Air JGS8750BD Series Service Manual page 12

Troubleshooting Procedures
To avoid risk of electrical shock, personal injury, or death, disconnect power and gas to range before servicing,
unless testing requires power and/or gas.
Problem
Gas flows to bake/broil
burner, but burner does not
light.
Broil burner shuts off shortly
after the start of self-clean
operation. Bake and broil
functions operate normally.
Fan motor does not operate.
Oven smokes/odor first few
times of usage.
Failure Codes.
Oven not operating.
Clock and timer not working.
Oven light does not operate.
Oven door will not unlock.
Self-clean cycle not working.
12
!
WARNING
Possible Cause
Ignitor positioned too far from burner.....
Dirt or grease in orifice or burner ...........
Insufficient gas pressure ........................
Power outage .........................................
Power outage .........................................
Control Error...........................................
No power to fan motor ...........................
Failed fan motor or winding/frozen
shaft .......................................................
Normal.................................................... • Minor smoking and/or odor is normal
Electronically Controlled ........................ • See "Fault Code Chart."
Programming error .................................
Power outage .........................................
Unit in Sabbath mode ............................
Power outage .........................................
Electronic Control locked .......................
Failed oven lamp....................................
Failed wiring ...........................................
Failed light socket ..................................
Oven is self-cleaning..............................
Oven is still hot.......................................
Programming error .................................
Door lock ................................................
16026923
Correction
• Reposition ignitor closer to bake/broil
burner.
• Clean orifice or burner.
• Check for correct gas pressure. Natural
gas pressure should be 5" WCP and LP
gas pressure should be 10" WCP.
• Verify power is present at unit. Verify
circuit breaker is not tripped/replace fuse.
• Verify power is present at unit. Verify
circuit breaker is not tripped.
• Replace household fuse.
• See "Control Systems Troubleshooting."
• Check for 120 VAC supplied at fan
motor. If voltage is not present, check
for broken/loose wiring between fan
motor and relay board. If voltage is
present at fan motor, go to next step.
• Check motor winding for continuity.
Check for a frozen motor shaft. Check
for broken wiring between motor and
neutral terminal block.
the first few times of oven usage.
• Switch range circuit breaker off for five
minutes and try oven again.
• Verify power is present at unit and
circuit breaker is not tripped.
• Replace household fuse.
• Refer to Use & Care manual to remove
unit from Sabbath mode.
• Verify power is present at unit and
circuit breaker is not tripped.
• Replace household fuse.
• Refer to Use and Care manual to
unlock electronic control.
• Check lamp and replace is necessary.
• Check for broken, loose or dirty
connections.
• Check light socket for continuity.
• Allow cycle to complete.
• Will not unlock until unit has cooled to
safe temperature. Do not force door
open, this will void warranty. Blow cool
air on latch area to quicken process.
• Turn off circuit breaker for five minutes
and try self-clean again.
• Verify door lock energizes & engages.
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