bit 0: U1 overflow bit 1: U2 overflow bit 2: U3 overflow bit 3: I1 overflow bit 4: I2 overflow bit 5: I3 overflow bit 6: REF overflow bit 7: T1 overflow bit 8: T2 overflow bit 9: ISO overflow bit10: I1 shunt-volt overflow bit11: I2 shunt-volt overflow bit12: I3 shunt-volt overflow bit13: Riso not valid bit14: coldstart bit15: crc fault calibration values