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MODEL OVERVIEW
About this model: GE JMP28BDCT
JMP28BDCT is a bisque 27-inch GE Spacemaker drop-in electric range with four plug-in Calrod coils, lift-up porcelain top, EasySet III oven, self-clean and an F-plus-character alert.
Match the compact drop-in identity
JMP28BDCT is GE's Spacemaker drop-in electric range in Bisque, designed around a nominal 27-inch cabinet width rather than the 30-inch freestanding form found across much of the catalog. GE separately states an overall width of 27 1/8 inches, so those two figures should not be treated as an automatic fit guarantee for an existing opening. The exact product page calls the cooktop lift-up, overhanging bisque porcelain enamel and places the controls up front. It also names a black-glass, frameless lift-off oven door. The linked owner cover lists JMP28 with JMP31, making the guide family relevant while leaving finish and dimensions to the precise BDCT SKU. When planning a replacement, obtain the installation drawing and measure the opening, countertop edge and electrical connection; a shared owner guide cannot establish a drop-in match by itself. Record the full model suffix for trim and panel pieces. Its compact profile should not be confused with a separate 27-inch wall oven or a larger freestanding range.
Maintain removable surface elements
This model's top has three 6-inch and one 8-inch plug-in Calrod heating elements. Each has a front control and an ON indicator, while the oven is controlled by EasySet III touchpads; turning a surface knob never sets an oven temperature. Page 7 advises flat-bottom cookware matched to the element, extending no more than one inch beyond its edge. Excessively wide pans can hold heat near the cooktop or block the vent, so pan position affects both cooking and perceived surface temperature. Page 22 explains how to remove a cold plug-in coil to clean its drip pan: lift it only about one inch and pull from the receptacle. Lifting higher can permanently affect how it sits when reinstalled. The coil must not be immersed or put in a dishwasher, and terminals should not be bent. A surface unit that fails to heat may be unseated at its receptacle; that physical check is distinct from reading an F alert on the oven display.
Understand the automatic oven lock
The exact GE listing specifies a self-cleaning oven, two racks and an automatic door lock. Before a cycle, physical page 17 asks to remove shelves, broiler pan and grid, cookware and foil and clear heavy spills from the oven bottom. The usual clean period is four hours, adjustable from three to five according to soil. After pressing SELF CLEAN, entering any desired duration and pressing START, the door locks automatically. It remains closed until the cavity drops below the unlocking temperature and the LOCKED DOOR light goes out. LOCK DOOR flashing because the door was left open is a setup state, not a numbered F code. A hot door should not be forced. Delay Bake, clock and Sabbath mode are oven-control functions confirmed by the product page, while the front knobs belong to the four top elements. Separating these controls helps explain why a clock reset, locked door and cold coil each require a different first check.
Trace F without blaming a coil
The manual's page 8 states that F followed by a number or letter flashing on the oven screen is a function error. The more detailed troubleshooting row is on physical page 25. Press CLEAR/OFF, allow the oven to cool for an hour and try again. If the function code repeats, disconnect all power to the range for at least thirty seconds, reconnect and call service if it appears again. The guide does not map each suffix to an individual thermostat, coil or board. Tell the technician the exact display, whether self-clean was running, and whether a power outage preceded the alert. A blank screen may stem from a fuse or blackout clock mode; a flashing clock after an outage needs resetting. Those conditions are listed separately from F. Likewise, unplugged surface elements have their own troubleshooting row. Give JMP28BDCT and the installation type when reporting the issue so an oven error is not confused with a removable Calrod connection or a mismatched replacement range.
Verified model details
The cabinet width is listed as 27 inches, but overall width as 27 1/8; fit must follow the actual opening and installation plan.
Source for this detail · Source page: 1Three 6-inch and one 8-inch removable Calrod elements are distinct from the electronic oven display.
Source for this detail · Source page: 25F on the oven follows CLEAR/OFF, cooling and a thirty-second complete power reset if it repeats.
Source for this detail · Source page: 17
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GE Spacemaker® 27" Drop-In Electric Range with Self-Cleaning Oven - JMP28BDCT - GE Appliances
Open official sourceIf there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.