GE Monogram ZGU375NSDISS Technical Service Manual page 18

Problem
Burner flames are
very large, yellow,
or yellow-tipped
Burners do not light
Burner control knob
will not turn
Troubleshooting
Possible Causes
Incorrect gas being used.
The combustion quality
of burner flames needs
to be determined visually.
Regulator malfunction.
Plug on cooktop is not
completely inserted in
the electrical outlet.
Gas supply is not
connected or turned ON.
A fuse may be blown or a
circuit breaker tripped.
Insufficient Airflow
Burner parts not replaced
correctly.
Holes in simmer rings or
slits in burners clogged.
Liquid in burner base due
to spillage.
Orifices plugged or dirty.
Igniter switch defective.
Igniter wire defective.
Spark module defective.
Knob is in the OFF
position.
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What to Do
• Check for correct gas supply
• Use the illustrations below to determine if the burner
flames are normal. If the burner flames look like A,
check for dirty burners and orifices. Clean or replace.
Normal burner flames should look like B or C, depending
on the type of gas you use. With LP gas, some yellow
tipping on outer cones is normal.
A–Yellow flames B–Yellow tips
Call for service on outer cones
Normal for LP gas
• Check output gas supply (see page 3).
• Make sure electrical plug is plugged into a live, properly
grounded outlet.
• See the Installation Instructions that came with the
cooktop.
• Replace the fuse or reset the circuit breaker.
• Make sure rubber discs below knobs are pushed down
through bezel to valve assembly.
• Make sure pins in the burner head are properly located
in the burner base holes. (See "Clocking", page 14.)
• Clean or replace as necessary. Make sure all compo-
nents are dry before reassembly.
• Remove burner ring to check. Clean and dry thoroughly
before reassembly.
• Clean or replace as necessary.
• Replace igniter switches.
• Connect igniter wire.
• Replace spark module.
• The knob must be pushed in before it can be turned, it
can only be turned in a counterclockwise direction.
C–Soft blue flames
Normal for natural
gas