Titan controls Apollo 8 timer issues.

I just got a new timer from my local shop and it seems to be having the same problems that my last one had. Not turning on/off when it should be. Can anyone give me some tips or recommend the type of timers you use.

Had that happened years ago, but It was a noobie mistake and realized I was over powering the power strip.
Are the timers you have not from Titan? If not that's probley your problem. Luck good <----

Its a brand new Apollo 8 from titan. It worked fine for 2 days, then started missing its on/off marks. I know its not overloaded with power. Its rated for 15 amps and 1800 watts and I'm only running 1 1000w HPS ballast off of it.