GE JB690, JB730, JB720 owner manual Before You Call For Service…, Problem Possible Causes What To Do

Before You Call For Service… ge.com

Troubleshooting Tips

Save time and money! Review the charts on the following pages first and you may not need to call for service.

Problem	Possible Causes	What To Do
Surface units will not	Improper cookware	• Use pans which are flat and match the diameter
maintain a rolling boil	being used.	of the surface unit selected.
or cooking is not
fast enough
Surface units do	A fuse in your home may be	• Replace the fuse or reset the circuit breaker.
not work properly	blown or the circuit breaker
	tripped.
	Cooktop controls	• Check to see the correct control is set for the surface
	improperly set.	unit you are using.
Surface unit stops		• This is normal. The unit is still on and hot.
glowing when turned
to a lower setting
Scratches (may appear	Incorrect cleaning	• Scratches are not removable. Tiny scratches will become
as cracks) on cooktop	methods being used.	less visible in time as a result of cleaning.
glass surface	Cookware with rough bottoms	• To avoid scratches, use the recommended cleaning
	being used or coarse particles	procedures. Make sure bottoms of cookware are clean
	(salt or sand) were between	before use, and use cookware with smooth bottoms.
	the cookware and the surface
	of the cooktop.
	Cookware has been slid
	across the cooktop surface.
Areas of discoloration	Food spillovers not cleaned	• See the Cleaning the glass cooktop section.
on the cooktop	before next use.
	Hot surface on a model	• This is normal. The surface may appear discolored
	with a light-colored glass	when it is hot. This is temporary and will disappear
	cooktop.	as the glass cools.
Plastic melted to	Hot cooktop came into	• See the Glass surface—potential for permanent damage
the surface	contact with plastic placed	section in the Cleaning the glass cooktop section.
	on the hot cooktop.
Pitting (or indentation)	Hot sugar mixture spilled	• Call a qualified technician for replacement.
of the cooktop	on the cooktop.
Frequent cycling	Improper cookware	• Use only flat cookware to minimize cycling.
off and on of	being used.
surface units
Food does not bake	Oven controls improperly set.	• See the Using the oven section.
or roast properly
	Shelf position is incorrect	• See the Using the oven section.
	or the shelf is not level.
	Incorrect cookware or	• See the Using the oven section.
	cookware of improper
	size being used.
	Oven thermostat needs	• See the Adjust the oven thermostat—Do it yourself!
	adjustment.	section.	31

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