Browse FAQs

What does an OLF fault code mean on the ATS22 Soft Starters?

Published date: 11 May 2020

Getting OLF fault code on the ATS22.

Product Line:
Altistart ATS22


OLF means motor overload fault

To reset the fault you can go into the Pro menu and find ITH parameter.  Set this to OFF and power cycle to get rid of the fault.
When power is reapplied, go back to the same parameter and turn it back to value desired for class protection.
Check the motor for blockage, phase rotation etc.
Check the ACC and tHP settings in the SET menu. If ACC= 10 seconds or more, try adjusting the tHP to class 20 or class 30.

Was this helpful?

What can we do to improve the information ?

Can't find what you are looking for?

Reach out to our customer care team to receive information on technical support, assistance for complaints and more.