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MODEL OVERVIEW
About this model: GE JEB1860DMBB
A source-checked guide to GE JEB1860DMBB, its SENSOR ERROR message, sensor programs, controls and installation options.
What distinguishes JEB1860DMBB?
GE identifies JEB1860DMBB as a 1.8-cubic-foot countertop microwave with 1,100 watts of cooking output. Its product page lists sensor cooking controls, while its stated overall size is 13 5/8 inches high, 24 1/8 inches wide and 19 1/8 inches deep. These exact-model facts matter when checking whether a display message belongs to this oven rather than a visually similar GE microwave.
The linked manual actually prints JEB1860DMBB in its accessory table. It pairs this black model with JX2027DMBB for a 27-inch built-in installation and JX2030DMBB for a 30-inch installation. The oven itself has a removable turntable, but the manual says the turntable and support must be in place during cooking. Confirm the full SKU before buying a trim kit or interpreting a shared manual.
What does SENSOR ERROR mean here?
On JEB1860DMBB, the manual's troubleshooting chart gives two circumstances for SENSOR ERROR: someone opened the door during a sensor program before the oven detected steam, or the oven did not detect steam within its maximum time. The Popcorn instructions separately confirm that opening the door while POPCORN is displayed produces this message. The display alone therefore does not identify a failed sensor or any particular replacement part.
GE gives different next steps for those circumstances. If the door was opened, close it, press CLEAR/OFF and start the program again. If steam was not detected in time, the manual directs you to Time Cook for additional heating. Record which program was running and whether the door was opened; those observations distinguish an interrupted cycle from a timeout without inventing a repair diagnosis.
How should the sensor programs be used?
The manual explains that the humidity sensor watches for moisture released by food and adjusts cooking time. It calls for microwave-safe containers with a lid or vented plastic wrap, and for a dry container exterior and oven interior. Moisture already on those surfaces can mislead the sensor. It also warns against running a sensor feature twice in succession on the same portion because the food may overcook or burn.
GE's exact-model listing includes sensor controls, and the linked instructions describe automatic programs for vegetables, potatoes, fish and chicken pieces. On these programs the display begins counting down after steam is sensed; the manual says to keep the door closed until that countdown starts. If food remains undercooked after the countdown, use Time Cook instead of immediately repeating the same sensor selection.
Which messages require a different response?
JEB1860DMBB also has the control-lock feature listed by GE. The manual says LOCKED appears when the panel is locked; holding CLEAR/OFF for about three seconds changes that setting. This is a deliberate control state, not the SENSOR ERROR condition. If the display responds but a cooking selection will not start, check the lock state before assuming that the oven has reported a sensor fault.
For an oven that will not start at all, GE's troubleshooting chart instead lists household power, the plug, door closure and whether START was pressed after a selection. A separate row says Sensor Reheat is intended for recommended single servings; for a larger amount it directs use of Time Cook. These are different problems with different checks, so match the observed wording and behavior before following any instruction.
Verified model details
Exact-model GE specs establish the capacity, power and sensor controls.
Source for this detailThe linked manual names this SKU and explains SENSOR ERROR.
Source for this detailLOCKED is a control status with a different response.
Source for this detail
This description summarizes the linked source documents; check each cited source for your exact model and region.
Manufacturer source
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GE 1.8 Cu. Ft. Countertop Microwave Oven - JEB1860DMBB
Open official sourceIf there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.