I've been lowering the frequency and raising the voltage but yet chain 1 still shows 0 hash rate?/??
I don't know how to fix, any suggestions? 
Thank you
most likely the voltage is too low on that chain.
I'm on 110/120 volt (in usa) 
So what should I put the voltage up to (don't want to pop circuit or burn the boards) I've never done more than 15 voltage on any single board from being scared.
I would flash factory image and try. it is recommended to set the frequency and voltage to default before flashing.
Reboot and check.
If you still have the problem:
verify PSU is working, swap the cables
Swap the controller cables and see if the problem will shift