oH3 fault Emotron VSB Drive indicates Module temperature detection undisconnected. This means the drive’s internal temperature sensing circuit is failing to provide valid readings or is detecting an extreme out-of-bounds temperature.
Possible Causes:
1: Module detection circuit damaged.
2: Thermistor damaged.
3: Ambient temperature is too low.
Solutions:
1: Seek services.
2: Seek services.
3: Raise ambient temperature.