plasma tv wont turn on?

can any one help, i have a hyundai plasma hp 4200 tv that wont turn on but some times it does after about 200 tries , you can hear a click when you turn on as all tvs do then its click twice then wont come on , when it does come on you dont hear the 2 clicks , i have had the back off and the clicks are coming form 2 relay like things , when the tv dont turn on a red led lights up with alarm next to it, all the parts inside are samsung if this helps,