Originally Posted by KarTek

Guys, I have a fairly new system for the upstairs - heat pump, R410/puron, scroll compressor. When it was installed, it was supposed to a fairly high end unit.

Well now, about 6 years later, it won't start. When the compressor tries to run, it just buzzes for about 5 seconds then clicks and quits. Then, about 10 seconds later, it does it again and keeps repeating but never gets started.

I can probably figure it out eventually, either the starter capacitor or contactor but if anyone knows for sure, it would sure save me a lot of time.

Thanks for any help you can give!