The fading of numbers or display on a microwave oven is typically due to two main reasons:
Age and Usage: Over time and with regular use, the display panel on a microwave can naturally degrade. The constant illumination of the display, exposure to heat, and other environmental factors can lead to the wearing out of the display components, including the segments that form the numbers and characters on the screen. As the display components degrade, the numbers may start to fade or become dimmer.
Backlight or LED Issues: Many microwave ovens use a backlight or LEDs (Light-Emitting Diodes) to illuminate the display. If these backlight components or LEDs start to malfunction or fail, the display will lose its brightness and may eventually fade. Backlight issues can be caused by various factors, including electrical problems, manufacturing defects, or excessive heat.
If the display on your microwave is fading, there's not much you can do to reverse the aging of the components. However, you can try the following steps to mitigate the issue:
Check Power Settings: Some microwave ovens allow you to adjust the brightness level of the display through their settings or control panel. Check your microwave's user manual to see if this option is available and if you can increase the brightness.
Clean the Display: Dust and grime can accumulate on the display over time, making it appear dimmer. Gently clean the display using a soft, lint-free cloth to see if it improves the visibility.
Avoid Direct Sunlight or Heat: Excessive exposure to direct sunlight or high heat can accelerate the degradation of the display. Try to place your microwave in a location where it's protected from direct sunlight and excessive heat.
If the fading becomes too severe and affects the functionality of the microwave, you may need to consider replacing the display panel or the microwave itself, depending on the model and availability of spare parts. Always consult the manufacturer or a professional technician for proper diagnosis and repair advice.