Using the surface units.

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Throughout this manual, features and appearance may vary from your model.

At both OFF and HI the control clicks into position. You may hear slight clicking sounds during cooking, indicating the control is maintaining your desired setting.

Be sure you turn the control knob to OFF when you finish cooking.

How to Set

Push the knob in and turn in either direction to the setting you want.

A HOT COOKTOP indicator light will glow when any radiant element is turned on, and will remain on until the surface is cooled to approximately 150°F.

Indicator light will:

come on when the unit is turned on or hot to the touch.

stay on even after the unit is turned off.

glow until the unit is cooled to approximately 150°F.

The WM (warm) setting (on some models) on the right REAR surface unit keeps already heated food warm until ready to serve.

Dual Surface Unit (on some models)

The dual surface unit has 2 cooking sizes to select from so you can match the size of the unit to the size of the cookware you are using.

To use the small surface unit, push in the SMALL BURNER portion of the switch above the control knob.

To use the large surface unit, push in the LARGE BURNER portion of the switch above the control knob.

Dual Surface Unit Control Knob (on some models)

The dual surface unit has 2 cooking sizes to select from so you can match the size of the unit to the size of the cookware you are using.

To use the small surface unit, turn the control knob to the SMALL BURNER settings.

To use the large surface unit, turn the control knob to the LARGE BURNER settings.

SafetyInstructions Operating Instructions Care and Cleaning Troubleshooting Tips

Temperature Limiter

Every radiant surface unit has a temperature limiter.

The temperature limiter protects the glass cooktop from getting too hot.

The temperature limiter may cycle the units off for a time if:

The pan boils dry.

The pan bottom is not flat.

The pan is off-center.

There is no pan on the unit.

Consumer Support

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GE JB645, JB670, JB680 Using the surface units, How to Set, Dual Surface Unit on some models, Temperature Limiter

JB680, JB645, JB670 specifications

The GE JB670, JB645, and JB680 are part of General Electric's popular line of electric ranges, designed to offer versatility and convenience for modern kitchens. Each model showcases distinct features and technologies, tailored to meet varying cooking needs while delivering reliable performance.

The GE JB670 is characterized by its spacious oven capacity, which allows for multiple dishes to be cooked simultaneously. It features a self-cleaning oven that simplifies maintenance by using high heat to burn away residue. Additionally, the JB670 includes a convection option, ensuring even cooking results by circulating hot air throughout the oven. The cooktop is equipped with smooth surface burners that provide precise heat control, making it ideal for both simmering and boiling. The LED display and touch controls enhance usability, giving users easy access to cooking settings.

In comparison, the GE JB645 stands out with its classic design and user-friendly features. While it may not have the convection technology seen in the JB670, this model still offers an ample oven capacity and a self-cleaning function. The JB645 is equipped with four burners, including a high-power burner for rapid boiling. An important feature of this range is the smooth ceramic glass cooktop, which not only adds elegance but also simplifies cleanup after cooking. The JB645 also incorporates a removable back guard that allows for versatile installations.

The GE JB680 is designed with smart technology features that appeal to the tech-savvy cook. This model comes with Wi-Fi connectivity, enabling users to monitor and control oven settings remotely through a smartphone app. It offers a large oven capacity similar to the JB670, along with convection cooking to achieve professional-level results at home. The model includes a temperature probe that ensures meats are cooked to perfection, eliminating guesswork. The sleek design of the JB680 features an edge-to-edge cooktop, providing more usable cooking space and completing the modern kitchen aesthetic.

In summary, the GE JB670, JB645, and JB680 each present unique features and technologies that cater to different cooking preferences and lifestyles. From expansive cooking capacities and innovative smart technologies to user-friendly controls, these electric ranges demonstrate GE's commitment to enhancing the cooking experience while maintaining high standards of performance and design.