Malfunction Threshold
If the difference in output temperature between the parallel phases of the IGBT chip temperature sensor at the traction motor side more than 108 deg.F (60 deg.C) or less than -108 deg.F (-60 deg.C) for at least 10 seconds.
If the difference in output temperature between the parallel phases of the IGBT chip temperature sensor at the traction motor side more than 108 deg.F (60 deg.C) or less than -108 deg.F (-60 deg.C) for at least 10 seconds.