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