Why does “LOCK DOOR” flash on my GE Ranges display?
- MMr. Daniel SmithSep 8, 2025
If “LOCK DOOR” flashes in the display of your GE Ranges, the self-clean cycle has been selected, but the door is not closed. Make sure to close the oven door.

Why does “LOCK DOOR” flash on my GE Ranges display?
If “LOCK DOOR” flashes in the display of your GE Ranges, the self-clean cycle has been selected, but the door is not closed. Make sure to close the oven door.
What does 'F and a number or letter' mean on my GE RB720DHBB Ranges display?
If “F— and a number or letter” flash in the display of your GE Ranges, it indicates a function error code. Press the Cancel/Off pad and allow the oven to cool for one hour before putting it back into operation. If the error code repeats, disconnect all power to the oven for at least 30 seconds, then reconnect the power. If the error persists, call for service.
How to remove scratches from GE RB720DHBB cooktop glass surface?
Scratches on your GE Ranges cooktop glass surface are not removable, but tiny scratches will become less visible over time with cleaning. To prevent scratches, use recommended cleaning procedures and ensure cookware bottoms are clean and smooth before use. Avoid sliding cookware across the cooktop surface.
Why are there areas of discoloration on my GE RB720DHBB cooktop?
Areas of discoloration on your GE Ranges cooktop can result from food spillovers not cleaned before the next use. See the Cleaning the glass cooktop section. A hot surface on a model with a light-colored cooktop may also appear discolored, but this is normal and temporary, disappearing as the glass cools.
Why is my new GE Ranges emitting a burning or oily odor?
A "burning" or "oily" odor from the vent of your GE Ranges is normal in a new oven and will disappear over time. To speed up the process, set a self-clean cycle for a minimum of 3 hours. See the Cleaning the Oven section.
Why does my GE Ranges have a strong odor when I use it?
A strong odor from your GE Ranges is normal for the first few uses due to the insulation around the inside of the oven. This is temporary and will go away after several uses or a self-clean cycle.
Instructions for securing the range to prevent tipping hazards.
Essential safety guidelines for using the appliance.
Guidelines for safe operation of the cooktop surface.
Precautions for safe operation of the oven.
Operation and safety for electric surface heating elements.
Explanation of oven control panel buttons and functions.
Details on oven features like temperature adjustment and Sabbath mode.
Guidance on rack placement and the use of aluminum foil liners.
Information on selecting cookware for optimal baking performance.
Description of different oven cooking modes like Bake and Broil.
A guide for recommended cooking modes and rack positions for various foods.
Instructions for cleaning the outer surfaces of the range.
Methods for cleaning the inside of the oven, manual and self-clean.
Procedures for cleaning the glass cooktop surface.
Instructions for replacing the oven light bulb.
Steps for removing and replacing the oven door and storage drawer.
Guide to diagnosing and resolving typical appliance issues.
Details of the product warranty coverage and terms.
List of optional accessories for enhancing appliance use.
Information on contacting GE Appliances for assistance and services.












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