Motor over-heating (oH3)

Motor over-heating warning. The AC motor drive detects the temperature inside the motor is too high.

The load is too large -

Decrease the loading.
Replace with a motor with larger capacity.

Operates at low-speed too long -

Decrease low-speed operation time.
Change to dedicated motor for the drive.
Increase the motor capacity.

Check if the motor rated current matches the motor nameplate - Configure the correct rated current value of the motor again.

Warning setting parameter

Error treatment: Pr.06-29
0: Warn and keep operating
1: Fault and ramp to stop
2: Fault and coast to stop
3: No warning
When Pr.06-29 = 0 and when the temperature is ≤ Pr.06-30 level, the oH3 warning automatically clears.
When Pr.06-29 = (“Warning”), it automatically resets.

When Pr.06-29 = 0, oH3 displays “Warning”. When the temperature is ≤
Pr.06-30 level, the oH3 warning automatically clears