UPS fail. Main engine automatic backup does not work. Kongsberg Troubleshooting

The UPS fail error occurred and the final system for protecting the main engine against automatic power failure failed. A BMS AC220V UPS FAIL alarm appeared on the alarm monitoring system in the ECR. BMS - Bridge maneuvering system.

BMS AC220V UPS FAIL

In simple words, the uninterruptible power supply (UPS), which is designed for the normal operation of the automatic control system of the main engine during the transition of the ship's electrical station from main to emergency power, has stopped working.

Freefall lifeboat engine does not start. Part 2. Troubleshooting

Greetings! Today we have another problem with the lifeboat, it won’t start with any battery. At the same time, you can hear the starter motor rotating, but the start does not occur. This is the second article on this topic. In the first article we looked at a case where one battery failed and in that situation the battery tester was very helpful in identifying the problem.

In fact, low starter battery capacity is a fairly common cause of poor starting of lifeboat engines. Usually the solution to the problem ends with this, that is, replacing the batteries. But there are exceptions, especially on older ships.

Freefall lifeboat does not start. Part 1. Troubleshooting

Lifeboats on a ship are usually inspected once a week, testing the starting condition of the engine on two batteries, rudder, telegraph-propeller, lighting, as well as the condition of batteries and chargers.

Despite regular checks, the lifeboat's engine may stop starting at any time. This is exactly the situation that occurred on the ship during the inspection of the boat by the port inspector.