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 JVM1490SD
JVM1490SD combines convection, microwave and sensor cooking; its manual distinguishes a hot-oven caution from a child lock and a normal completion message.
Identify the JVM1490SD hybrid oven
GE's JVM1490SD is a Profile Spacemaker over-range appliance with a 1.40-cubic-foot cavity and a stated 900-watt microwave output. The exact product record identifies convection technology, Fast Bake combination controls, a 12.75-inch turntable and a 30-inch cabinet width. Its panel mixes electronic touch controls with a selection dial, which matters when following instructions that say to turn and then press the dial. The owner PDF linked from this SKU's GE page is titled for the JVM1490 family. It separates three heating paths: microwave energy alone, circulating hot-air Bake, and Fast Bake, which combines the two. Therefore the 900-watt microwave rating is not a Bake temperature, and a result from one mode should not be used to judge another. When identifying a secondhand unit, compare the suffix on its model label with GE's exact page; the family cover does not print every finish suffix. This distinction also keeps the model's documented display messages tied to a real panel rather than a generic convection-oven chart.
Interpret heat after Bake or Fast Bake
The two baking paths explain why CAUTION—OVEN HOT may follow a seemingly normal session. GE's guide allows Bake temperatures from 225°F to 450°F and requires the wire shelf in its low position for air circulation. Fast Bake adds microwave energy to that moving air; the guide permits microwave power levels one through four in this combined mode. The cookware table is consequently mode-specific: metal pans are allowed for Bake but not for ordinary microwave cooking or Fast Bake. GE also asks for space between a baking dish and the oven walls, and gives a 25°F recipe reduction for some baked goods. Those placement and recipe directions are about cooking performance, not fault repair. The troubleshooting chart says CAUTION—OVEN HOT appears when the cavity exceeds 200°F and a sensor pad is selected; it calls this normal and says those sensor features will not run while the oven is hot. Let the cavity cool before retrying a sensor program. A brief smoky smell during the first Bake uses is separately described as oils burning from the stainless interior; that observation should not be conflated with the hot-oven message.
Use sensor cooking without misleading the humidity sensor
JVM1490SD's exact specifications list sensor selections for beverage, popcorn, reheat and vegetables. The linked guide explains that its humidity sensor watches steam released by food and adjusts the time. Moisture already on a dish or in the cavity can mislead that measurement, so it recommends dry exterior surfaces and suitable vented covers rather than sealed plastic. Auto Cook asks for a food type and initially runs before showing a countdown; opening the door too early loses steam and can spoil the result. If food remains underdone after the countdown, GE directs the user to finish with Time Cook instead of immediately repeating the sensor program on the same portion. The popcorn button has separate presses for regular and snack packages, and the Reheat countdown begins only after steam is sensed. These details help distinguish a delayed countdown from a frozen controller. After using hot-air Bake, however, CAUTION—OVEN HOT means the sensor choices are temporarily unavailable even when the controls otherwise respond. Note the cooking mode and the exact displayed text before deciding whether a sensor cycle failed.
Read the lock, completion and hood indicators
There are other display states on the JVM1490SD that call for different action. The exact GE page lists Child Lock and a cooking-complete reminder. In the manual, CONTROL LOCKED appears briefly after a button or the dial is used while Child Lock-Out is engaged; holding CLEAR/OFF about three seconds releases it. YOUR FOOD IS READY instead follows a finished cooking cycle and beeps once a minute until the door opens or CLEAR/OFF is pressed. Neither message says the oven is still heating. The bilingual display can be switched off, so an unlit clock is not automatically a dead appliance. NITE means an automatic night-light schedule is set, while MUTE means the beeper setting has been muted. The two-speed vent fan serves the cooktop below, and the guide describes a separate protective fan that may continue for 30 minutes or longer after rising cooktop heat. GE also specifies a halogen cooktop light. For diagnosis, record whether the panel was locked, the cavity had just baked, or the cooktop had heated the hood; these are separate explanations for a nonstarting sensor cycle, a repeating beep or a fan that remains on.
Verified model details
CAUTION—OVEN HOT blocks sensor features above 200°F without itself diagnosing a failure.
Source for this detail · Source page: 1Bake and Fast Bake need different cookware and shelf placement.
Source for this detail · Source page: 30CONTROL LOCKED is cleared with a three-second CLEAR/OFF hold.
Source for this detail · Source page: 15
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 - JVM1490SD - GE Appliances
Open official sourceIf there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.