The duration before a microwave oven makes a noise or beeps can vary depending on the model and settings. Typically, microwave ovens are designed to alert users when the cooking time has elapsed. The duration before the beep or noise occurs can typically be adjusted or may be preset by the manufacturer.
Most microwaves have a default setting where they beep or make a noise after the selected cooking time has elapsed. This default setting can usually be changed by the user. Some microwaves allow you to turn off the beeping sound entirely, while others may offer options to adjust the volume or frequency of the beep.
It's important to consult the user manual or the specific settings on your microwave to understand how to adjust or disable the alert sounds. Keep in mind that while it is possible to change the settings, it's generally recommended to keep the alerts enabled for safety purposes, as they serve as a reminder to check on the food and avoid overcooking or overheating.
Additionally, if the noise or beeping sound continues even after the cooking time has elapsed, it could be an indication of a malfunction or issue with the microwave. In such cases, it's advisable to refer to the user manual or contact the manufacturer's customer support for assistance.