PSL dust 102 has not been updating for some time, while PSL dust 101 is working fine. As a first try to fix the problem, I stopped the EPICS IOC code and restarted it. This did not fix the problem.

Before and after the restart, the IOC was reporting communication issues with PSL Dust-102

2017/08/11 12:47:22.773741 gt521s1 H1:PEM-CS_DUST_PSL102_OPSTATUS: No reply from device within 200 ms