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