Controller just shuts off

So my flipsky 75100 sits down/off. I've recently went to a 

60v 16s8p. 

Motor current max 250a

Max break-10a

Absolute  350a

Battery max 80v

Max regen -2a

Vokt cutoff start 59v

End 49v

Max watt 1000w

Braking -100w

Min input 45v

Max input 72v

Min duty .5%

Max duty 99%

Min currently .05a

Field weakening 40a

Field weak duty start 85%

FOC_OBSERVER_ORTEGA_ORIGINAL

FOC_CC_DECOUPLING_CROSS_BEMF

Adc.....mapping 3

            Throttle expo 0% brake 0% exponential

Bms is 100a. Seems to shut down do this weird thing once I hit around 57v on my battery. Funny thing is when I use my 48v battery this doesn't Halen at all???? Any help would be appreciated,  cheers y'all. 

You could email me. Stockj03@gmail.com