Fire alert
Fire alert was an alert status aboard Federation starships in the 23rd century designated to prepare the crew for possible fires aboard the ship, usually caused by damage to ship systems during battle or other situations.

In 2265, Captain Kirk ordered all decks to go to fire alert when the  passed through the galactic barrier, as the phenomena they were experiencing was causing circuitry blowouts to the ship's systems. ()

See also 
 Fire alarm

de:Feueralarm
Alerts