If the oil concentration exceeds 15 ppm, the system automatically triggers:
Rotate the sample pump shaft by hand to ensure it moves freely.
Before operation, the manual specifies several manual checks: S-3000 – Oil Discharge Monitoring Equipment
If the system triggers an alarm even though the discharge water is visibly clean, check for oil or bio-fouling on the optical cell of the OCM. Perform a manual system back-flush or clean the optical lenses per manufacturer guidelines.
Furthermore, if your crew performs maintenance incorrectly because they guessed (without the manual) and caused a false reading that led to an oily water discharge, you face criminal liability under MARPOL.
The ODME S3000 consists of several interconnected modules divided between the safe area (engine room/cargo control room) and the hazardous area (pump room).
and MEPC.240(65), covering crude oils, "black" and "white" products, and petroleum-biofuel blends. The system serves three primary functions: Continuous Sampling
Technical manuals are often uploaded to document-sharing sites like Scribd (search "ODME S-3000 Operation Manual").