Matching Pairs ANNUNCIATOR PANEL Online version Panel Annunciator Test by Carlos Andrés Cortés 1 L PITOT HEAT 2 CABIN ALT HI 3 L CHIP DETECT 4 R NO FUEL XFR 5 L ENG FIRE 6 EXT PWR 7 FUEL CROSSFEED 8 L DC GEN 9 BAT TIE OPEN 10 L FUEL PRESS Left generator off the line Left pitot heat inoperative or switch is In the off position Metal contamination in the left engine Oil is detect Right wing tank empty or transfer pump failure Battery isolated from generator buses Low fuel pressure on left side Fire in the left engine compartment External power conector is plugged in crossfeed valve is open Cabin pressure altitudeexceeds 12,500ft