615

Alarm cause: 1. The program file to be called does not exist. 2. The content length of the program file to be called exceeds the limit, or the maximum length of a single instruction line exceeds the limit. 3. The program file version does not match the current instruction system version

Corrective measures: Load the program for which call failed in the project interface, observe the displayed failure information, and use it for further troubleshooting.