// register 32: Grid voltage fault in 0.1V
// register 34: Grid frequency fault in 0.01Hz
// register 36: DC injection fault in 1mA
// register 38: Temperature fault in °C
// register 40: Pv1 voltage fault in 0.1V
// register 42: Pv2 voltage fault in 0.1V
// register 44: GFC fault