In that moment of digital collision, the bridge temperature plummeted. The heat vanished from the Navi-Sailor 4000 as if it had never been there. The screen went black, gave one final, dying pop, and stayed dark.
In some early Navi Sailor 4000 models, Wärtsilä released firmware that did not aggressively ramp up fan speeds until the system was already critical. Updating the firmware often resolves "phantom" hot alarms.
Here are some key points about the Navi Sailor 4000 ECDIS: