WP 13194

The EY interlock system was found with both the ALS and PCAL laser enable outputs disabled. Trending the laser enable channels shows channels went offline during upgrades to the H1SEIEY IO Chassis. Both the EK1501-0010 coupler and EL2904 binary output terminals were replaced. The 24V DC power to the Safety Interlock Chassis was moved to a dedicated 24V power supply.