MODEL PROFILE
Signal or code
Error codes and display signals
The official manual linked for this model documents these messages. Some indicators apply only to variants that display them; each entry is labeled as a code, indicator, or status.
No matching signal for this model.
Model and error-code facts may be shown in the language of the original source.
Official PDF manual
Jump to manual pages
Open the official PDF at pages that document signals for this model.
MODEL OVERVIEW
About this model: GE JVM1490SH
The GE Profile JVM1490SH combines microwave energy, convection baking and sensor programs. Its printed CONTROL LOCKED and CAUTION—OVEN HOT messages identify two different control states.
Identify the SH model and its three heat paths
JVM1490SH is a GE Profile Spacemaker with a listed 30-inch cabinet width, with a stainless finish, a 1.40-cubic-foot cavity and a 12.75-inch turntable. GE rates microwave output at 900 watts and identifies electronic touch controls plus a selection dial. The exact product listing divides the cooking system into Microwave, Bake and Fastbake; its official linked 72-page manual names JVM1490 on the cover. These names describe different sources of heat. Microwave cooking uses electromagnetic energy and normally does not require the metal shelf. Baking circulates heated air; Fast Bake combines that air with microwave energy. The manual's mode comparison specifically says to leave the shelf out for microwave-only cooking but use it for the baking modes. A complaint about food browning, a nonresponsive sensor key or an unexpectedly warm cavity makes sense only after the active mode is identified.
Convert recipes for Bake and Fast Bake carefully
For JVM1490SH, the convection rack and broil pan are specified accessories rather than evidence that every program uses the same cookware. A Bake recipe can require a lower set temperature because moving hot air browns its surface: the manual's conversion example subtracts 25°F from a conventional recipe. Fast Bake takes a different approach, reducing the suggested recipe time by 25 percent while combining two heat sources. Those are starting estimates, not promises that every dish finishes at an exact minute. Consult the manual's food-method table before moving a dish between microwave, Bake and Fast Bake. The distinction also explains why a sensor program may be unavailable immediately after a hot-air cycle. If the prior mode was Bake, allow for residual heat before trying a humidity-based feature, instead of treating the delayed sensor start as a fresh electronic fault.
Separate a locked panel from a hot cavity
The control panel reports two named states that should be read literally. CONTROL LOCKED is the Child Lock-Out state: the owner guide says the phrase appears briefly when a button or dial is pressed, and GE confirms Child Lock for this exact SH SKU. Hold CLEAR/OFF for about three seconds to release it. CAUTION—OVEN HOT has a separate cause. On the troubleshooting page it means the interior is above 200°F; sensor pads do not operate while the oven is that hot, and the table calls the condition normal. Cooling the cavity will not itself unlock a deliberately locked panel, and clearing the lock cannot remove retained cooking heat. The manual also offers English or Spanish scrolling display text, so record the words actually shown before following a troubleshooting instruction. If neither state explains a failure to start, check the distinct power and door rows in the same table.
Read sensor programs without inventing a code
Sensor operation uses steam from food, so the exact GE page's Popcorn, Reheat and Cook controls require a different reading from timed microwave cooking. In Auto Cook, the display asks for a food type and the dial confirms the choice; the manual's guide separates chicken, fish, ground meat, potatoes and vegetables. Reheat waits until steam is sensed before it shows the remaining countdown. Opening a door too soon lets steam escape and can change the result. Popcorn has a documented interruption case: if the door opens while POPCORN remains on the display, an error message appears. The manual does not state the message's actual characters. It instead says to close the door, press CLEAR/OFF and begin again. For extra heating after a completed cycle, use Time Cook rather than repeating the same sensor run on one portion, which risks overcooking. Do not label this generic interruption with an invented alphanumeric error code.
Keep cooking, ventilation and cleaning checks distinct
As an over-range appliance, JVM1490SH also has ventilation and lighting details separate from its cooking messages. GE lists external venting and a halogen cooktop light; a JX81A charcoal kit is optional. The owner guide explains that an installation without an outside exhaust recirculates air through a disposable charcoal filter. That filter cannot be cleaned; replace it when dirty rather than trying to wash it. For the cooking cavity, the manual rules out commercial oven cleaner, and it asks for power to be off before cleaning. Neither a loaded charcoal filter nor a dirty interior is the printed meaning of CONTROL LOCKED or CAUTION—OVEN HOT. Check the displayed text first, then the recent cooking mode and whether the sensor pad was selected with a still-hot cavity. Keep the ventilation path and the chosen cooking program in the service notes so an actual airflow or heat complaint is not confused with a deliberate control status.
Verified model details
A three-second CLEAR/OFF hold releases the documented child lock.
Source for this detail · Source page: 1Above 200°F, sensor pads pause until the cavity cools.
Source for this detail · Source page: 22The Popcorn door-interruption error has no literal code in this manual.
Source for this detail · Source page: 22
This description summarizes the linked source documents; check each cited source for your exact model and region.
Manufacturer source
Open official source
GE Profile Spacemaker® Convection/Microwave Oven - JVM1490SH - GE Appliances
Open official sourceIf there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.