We often get questions on why someone’s refrigerator filter change light is still on after they have installed the replacement filter. Often times a customer wants to know if the filter is defective. There is a very slim chance of a water filter being defective. Instead, the most common reasons are that the change light needs to be reset. Typically, this light is a timer meant to remind you to change your filter every 3 to 6 months. However, some change filter lights do gauge the flow of water and recommend a replacement filter.So, how to reset your refrigerator change...