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“P7” Driver Module Sensor Error
Error display:
ODU mainboard LED displayer
Error judgment condition and method:
If IPM or PFC module temperature is lower than the set protection value, then it can be judged that driver module sensor
error occurs and system will shut down for protection.
Possible reason:
Module temperature sensor is short-circuited or broken-circuited.
Drive board current sampling circuit element is damaged or drive chip current sampling AD terminal is abnormal.
Troubleshooting
：
3.4.19“P8” Driver Module High Temperature Protection
Error display:
ODU mainboard LED displayer
Error judgment condition and method:
If IPM module temperature or PFC module temperature exceeds the set protection value, then it can be judged that driver
module temperature is too high and system will shut down for protection.
Possible reason:
Thermal grease is not applied or not evenly applied to the module, or there is other substance on the back of the
module.
The module securing screws are not tightened up.
Drive board temperature sampling circuit element is damaged or drive chip temperature sampling AD terminal is
abnormal.
Troubleshooting
：
