How can resolve problem oH3 fault in delta C2000 series drive ?
Motor overheating (oH3)
The load is too large -
Reduce the load.
Increase the motor capacity.
Ambient temperature is too high -
Change the installed place if there are heating devices in the surroundings.
Install/ add cooling fan or air conditioner to lower the ambient temperature
Operate at low-speed too long -
Decrease low-speed operation time.
Replace the motor with a dedicated to VFD model.
Increase the motor capacity.
Fault treatment parameter
Pr.06-29
0: Warn and keep operation
1: Fault and ramp to stop
2: Fault and coast to stop
3: No warning