AO Smith — Poor Product / Poor Service/ High Cost Product

I am letting u know that i bouth Z8 model of AO Smith and also purchased warranty from the last 2 year. But RO SCPA lights will only blink once warranty expire. Light blinks just after the next day of warranty expire. It happens from the past 2 year. Why light not blink after some day of warranty expire or before warranty expires.
Even it's too costly your service.
I am not happy with your product and your cunning marketing techniques .
Even i will not refer anyone or will not purchase any product of your company