[Cause]
An alarm occurs when the operation shown below is performed.
1. A program whose header tracking schedule number is 0 is paused during execution, its header tracking schedule number is changed to a number other than 0, and the program is resumed. The resumed line is executed as is, but an alarm is issued when execution of the following line begins.
2. A program whose header tracking schedule number is 1 is paused during execution, its header tracking schedule number is changed to 0, and the program is resumed. The resumed line is executed as is, but an alarm is issued when execution of the following line begins.
[Countermeasure]
For a non-tracking program, specify 0 as the tracking schedule number on the program details screen.