45 mins hold time?

I was actually on hold for 57 minutes, then had to hang up because I had to pick up my daughter from school.How the heck do we get assistance fixing our wired Doorbell Pro? We spent over $200 on this thing about 2 years ago, then it suddenly went offline last weekend. I don’t want a silly coupon for a new device; I need help getting mine working again. It cycles through a solid white light, then flashes for a few seconds, then no lights for some more time…then repeats. Pressing the side button doesn’t do anything; I‘ve even disconnected / reconnected the wires. No change. Please help!!!