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