Jenn-Air JGC8430BDB/Q/S/W, Service Manual

Page: 12 / 43

Troubleshooting Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power and gas to cooktop before servicing,
unless testing requires power and/or gas.
12 16023565 ©2004 Maytag Services
Problem Possible Cause Correction
No gas flows to burner.
Gas pressure too high ..............................
Failed gas valve........................................
Loose wire connection or broken wire ......
•
Check for correct gas pressure.
Natural gas pressure should be 5"
WCP and LP gas pressure should
be 10" WCP.
•
Check gas valve for continuity.
•
Verify all connections are clean and
tight, replace broken wire.
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.