Jenn-Air JGS8750ADB Service Manual - Troubleshooting Procedures
Troubleshooting Procedures
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power and gas to oven before servicing,
unless testing requires power and/or gas.
12 16022089
©2005 Maytag Services
Problem Possible
Cause
Correction
No gas flows to burner.
Ignitor glows red.
Failed ignitor. ...........................................
Gas pressure too high .............................
Failed gas valve ......................................
Loose wire connection or broken wire.....
• 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.
Gas flows to bake/broil
burner, but burner does not
light.
Ignitor positioned too far from burner ......
Dirt or grease in orifice or burner ............
Insufficient gas pressure .........................
Power outage ..........................................
• 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
that the circuit breaker is not tripped.
• Replace household fuse, but do not
fuse capacity.
Broil burner shuts off shortly
after the start of self-clean
operation. Bake and broil
functions operate normally.
Power outage ..........................................
Control Error ............................................
• Verify power is present at unit. Verify
that the circuit breaker is not tripped.
• Replace household fuse, but do not
fuse capacity.
• See "Control Systems
Troubleshooting."
Fan motor does not operate.
No power to fan motor.............................
Failed fan motor or winding/frozen
shaft.........................................................
• 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.
Oven smokes/odor first few
times of usage.
Normal .....................................................
• Minor smoking and/or odor is normal
the first few times of oven usage.
Failure Codes.
Electronically Controlled..........................
• See "Fault Code Chart."
Oven not operating.
Programming error ..................................
Power outage ..........................................
Unit in Sabbath mode..............................
• 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.