Vesc faults when there is load

Hello, i builded a custom vesc 6 board. I'm trying to setup my 1000W Hub motor for ebike. It seems all ok but when i try to get on the bike, if i turn the throttle too fast ( in reality if i turn it in a normal way) my motor do a jerk and stops to push.

My fault code is the following:

Fault            : FAULT_CODE_BOOTING_FROM_WATCHDOG_RESET
Motor            : 1
Current          : -0.0
Current filtered : -0.0
Voltage          : 48.45
Duty             : 0.000
RPM              : -0.0
Tacho            : -1
Cycles running   : 0
TIM duty         : 0
TIM val samp     : 3360
TIM current samp : 3360
TIM top          : 6720
Comm step        : 0
Temperature      : 40.89

And when it spins without loads, over 15000 ERPM it returns the fault

Fault            : FAULT_CODE_UNBALANCED_CURRENTS
Motor            : 1
Current          : -1.5
Current filtered : -1.0
Voltage          : 48.01
Duty             : 0.893
RPM              : 14918.8
Tacho            : 42436
Cycles running   : 439888
TIM duty         : 6000
TIM val samp     : 3360
TIM current samp : 3360
TIM top          : 6720
Comm step        : 0
Temperature      : 39.18

Maybe the last is reasonable because it spins at the limit. But what about the first fault?