MAINTENANCE & TROUBLESHOOTING XENOTEST 220+ MACHINE On Monday, 4 August 2025, we successfully performed troubleshooting on the Xenotest 220+ machine (Brand: ATLAS MTT – USA) owned by PT. SGS Indonesia. The issue of “Set Irradiance Value Not Reached” has been resolved after cleaning the outer cylinder lamp filter. The Xenotest machine is now operating in...

