Alfa Laval BWTS Troubleshooting – Dubai Maritime City

Alfa Laval system serviced onboard a deck cargo vessel at Dubai Maritime City (DMC).

Targeted troubleshooting was carried out to resolve control and performance inconsistencies affecting system operation.

• Key Issues Identified
• Non-responsive control valve (V201-8)
• Low/zero flow indication
• UV reactor alarms with uneven load distribution
• PLC I/O signal irregularities
• Actions Executed
• Verified valve actuation, pneumatic supply, and solenoid manifold
• Checked PLC signals, wiring integrity, and communication stability
• Inspected UV reactor performance and LPS output balance
• Validated CIP sequence and system interlocks

Outcome

• Restored flow, valve response, and system stability
• Balanced UV reactor performance
• Accurate HMI feedback and control restored
• System ready for compliant ballast operations

Precision troubleshooting ensures reliability, compliance, and uninterrupted vessel operations.