Jenn-Air JDS8850BD 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
No broil element operation
No gas flows to burner.
Ignitor glows red.
Fan motor does not operate.
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
Open broil element.................................
Loose wire connection or broken wire ...
Open broil relay......................................
Failed ignitor...........................................
Gas pressure too high............................
Failed gas valve .....................................
Loose wire connection or broken wire ...
No power to fan motor ...........................
Failed fan motor or winding/frozen
shaft .......................................................
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 ................................................
16026929
Correction
• Check element for continuity, replace if
failed.
• Verify all connections are clean and
tight, replace broken wire.
• Verify 240 VAC at broil element.
• Check ignitor current draw, 3.2 – 3.6
Amps. Replace ignitor, if it fails test.
• Check for correct gas pressure. Natural
gas pressure should be 4" WCP and LP
gas pressure should be 10" WCP.
• Check gas valve for continuity.
• Verify all connections are clean and
tight, replace broken wire.
• Check for 120 VAC supplied at fan
motor. If no voltage is present, check
for broken or loose wiring between fan
motor and relay board. If voltage is
present at fan motor, go to the next
step.
• Check motor winding for continuity.
Check for a frozen motor shaft. Check
for broken wiring between motor and
neutral terminal block.
• Switch circuit breaker off to oven for five
minutes and try oven again.
• Verify power is present at unit and
circuit breaker is not tripped.
• Replace household fuse, but do not
fuse capacity.
• Refer to Use & Care manual and
remove unit from Sabbath mode.
• Verify power is present at unit and
circuit breaker is not tripped.
• Replace household fuse, but do not
fuse capacity.
• Refer to Use and Care manual and
unlock electronic control.
• Check lamp and replace as 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. Forcing door open
voids warranty. Blow cool air on door
latch area to quicken process.
• Turn off circuit breaker for five minutes
and try oven again.
• Verify door lock energizes & engages.
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