Comppressor Atlas Copco Ga18VSDFF - FAULT 113

Hi Sr. I have a Atlas Copco air compressor that sometimes stop with fault 113. below you can see a small video with the problem. on inverter we can hear the noise (tac tac tac) it seems something is trying to connect, and on inverter display show "P ----" and after few seconds on elektronikon display fault 113. Can you please help me in this case. Thank you. Link for download the video (file .rar) https://db.tt/9wv0wTMV