How to fix chamber pressure leak during EtO dwell on a Steris EtO Sterilizer
Pressure drop during the EtO dwell phase usually means a door seal failure, a valve seat leak, or a chamber penetration fitting loose. Perform a nitrogen leak test before restarting with EtO.
~90 min7 steps
How to fix a sterilization cycle abort from a humidity fault on a Steris EtO Sterilizer
Humidity faults abort the cycle because EtO sterilization requires a relative humidity above 30% to kill spores. Check the humidification system and chamber humidity sensor calibration.
~90 min7 steps
How to fix EtO residual levels above specification on a Steris EtO Sterilizer
High EtO residuals on the product are usually insufficient aeration time, an aeration chamber temperature below set-point, or a product load configuration that blocks airflow. Extend aeration and verify chamber temperature first.
~120 min7 steps