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MODEL OVERVIEW
About this model: GE JVM1790CK
Bisque GE Profile JVM1790CK is a 1.7-cu-ft convection microwave with 1000 watts, 13.6-inch turntable, two racks and external three-speed exhaust. Its 2008 guide describes sensor and hot-cavity messages.
Identify the 2008 bisque JVM1790
JVM1790CK is the bisque-on-bisque GE Profile JVM1790, tied by its exact GE page to a 2008 convection/microwave manual. GE specifies a 1.70-cubic-foot stainless cavity, 1000 watts and a glass turntable measuring 13.6 inches. The panel has a scrolling display with five selectable speeds, while the hood has three fan speeds and vents outdoors in its stated configuration. JX81D charcoal filtration is an optional conversion kit, not an included filter required by every installation. This distinction matters if a user is diagnosing odors from the hood. The product also lists two fixed-position racks, a Warm mode, convection temperature calibration and combination controls including Fast Bake and Combination Roast. These characteristics set JVM1790CK apart from a basic microwave with the same bisque color. The family cover prints JVM1790 rather than the CK retail ending, so the exact product link supplies model-to-manual provenance.
Plan recipe conversion before loading racks
The 2008 guide separates microwave energy from fan-driven Bake and Roast. The thermal modes allow 225 to 450 degrees Fahrenheit, and a single rack sits low with at least one inch of clearance around the dish; both racks are for two-level work. Auto Recipe Conversion changes an entered regular recipe temperature of 350 degrees to 325 for convection. Fast Bake mixes microwaves with hot moving air. The booklet gives a concrete timing example: a sixty-minute roast at 400 degrees is reduced by twenty-five percent to forty-five minutes. Such a conversion is a starting point for checking doneness, not permission to use metal cookware during combination heating. Warm holds food already cooked and hot. If preheat finishes but the door stays closed for one hour, the unit shuts off the cooking element. An over-browned top can come from a rack in the high position; the troubleshooting chart recommends moving it low before treating heat control as faulty.
A sensor guide with explicit food quantities
The Auto Cook sensor table gives actual portion ranges rather than a generic promise of automatic results. Fish is listed at four to sixteen ounces, and potatoes at eight to thirty-two ounces; chicken pieces, ground meat and three vegetable preparations have their own entries. The sensor responds to rising humidity from the food. A vented cover, dry outside of the container and closed door before the countdown support that measurement. A second full sensor pass on one portion can overcook it, so a short Time Cook extension is the advised way to finish. This combination appliance has a second constraint: after thermal cooking, an interior above 200 degrees Fahrenheit will not start a sensor mode and instead offers timed cooking. That display tells the user about residual oven heat, not a failed sensor. Food quantity and previous Bake activity both matter when comparing one run with another.
Use the displayed wording to separate heat and steam
The service chart distinguishes SENSOR ERROR from OVEN TOO HOT FOR SENSOR COOKING. SENSOR ERROR follows a door opening before steam was detected or steam missing by the maximum sensing time. Wait for the time display to count down before opening and use Time Cook for food still underheated. The too-hot message asks for a timed alternate method or cooling. CONTROL LOCKED is separate again: hold Clear/Off for about three seconds to restore the keys. The hood fan can start by itself during Bake, Roast or Fast Bake after preheat to cool components, so its operation is not necessarily a malfunction. If no program starts, check door closure, entered time or food type and Start/Pause. Record the exact words, preceding cooking mode and portion size before arranging service; none of these messages alone identifies a circuit board to replace.
Verified model details
JX81D charcoal conversion is optional; the exact SKU is externally vented.
Source for this detailThe manual gives a worked Fast Bake example: sixty minutes becomes forty-five.
Source for this detailSENSOR ERROR concerns steam detection; a >200 F cavity has a different display.
Source for this detail · Source page: 31
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Manufacturer source
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GE Profile™ 1.7 Cu. Ft. Convection Over-the-Range Microwave Oven - JVM1790CK - GE Appliances
Open official sourceIf there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.