TM 1-1510-224-10 Table 2-7.  Caution/Advisory Annunciator Panel Legend CAUTION/ADVISORY ANNUNCIATOR NOMENCLATURE COLOR CAUSE FOR ILLUMINATION #1 DC GEN Yellow No.  1 engine generator off the line #1 INVERTER Yellow No.  1 inverter inoperative #1 NO FUEL XFR Yellow Auxiliary fuel tank on side of No.  1 engine not transferring fuel into nacelle tank #2 NO FUEL XFR Yellow Auxiliary fuel tank on side of No.  2 engine not transferring fuel into nacelle tank #2 INVERTER Yellow No.  2 inverter inoperative #2 DC GEN Yellow No.  2 engine generator off the line #1 EXTGH DISCH Yellow No.  1 engine fire extinguisher discharged #1 NAC LOW Yellow No.  1 engine has 30 minutes fuel remaining at sea level, maximum cruise power consumption rate CABIN DOOR Yellow Cabin/cargo door open or not secure ELEC TRIM OFF Yellow Electric trim switch has been turned off, or electric trim monitor has detected a trim fault and turned trim off. #2 NAC LOW Yellow No.  2 engine has 30 minutes fuel remaining at sea level, maximum cruise power consumption rate #2 EXTGH DISCH Yellow No.  2 engine fire extinguisher discharged #1 VANE FAIL Yellow No.  1 engine ice vane malfunction.  Ice vane has not attained proper position. #1 LIP HEAT Yellow Failure of No.  1 lip heat valve to conform to selected position or in transit REV NOT READY Yellow Propeller levers are not in the high RPM, low pitch position, with the landing gear extended DUCT OVERTEMP Yellow Excessive bleed air temperature in environmental heat ducts #2 LIP HEAT Yellow Failure of No.  2 lip heat valve to conform to selected position or in transit #2 VANE FAIL Yellow No.  2 engine ice vane malfunction.  Ice vane has not attained proper position HYD FLUID LOW Yellow Fluid level in power pack is low INS Yellow Inertial navigation system's cooling fan is off or an INS malfunction that annunciates INS FAIL on MFD. IFF Yellow Transponder fails to reply to a valid mode 4 interrogation BATTERY CHARGE Yellow Charge rate on battery exceeds 7 amps BAT FEED FAULT Yellow Ground fault detected in battery external power line PROP SYNC ON Yellow Synchrophaser turned on with landing gear extended FUEL CROSSFEED Green Crossfeed valve open #1 LIP HEAT ON Green No.  1 engine air scoop heat is on #1 PROP PITCH Yellow No.  1 propeller is below the flight idle stop #2 PROP PITCH Yellow No.  2 propeller is below the flight idle stop #2 LIP HEAT ON Green No.  2 engine air scoop heat is on A/C COLD OPN Green Air conditioner is operating in cold mode, or ambient temperatures require switching to cold mode if air conditioner operation is to be continued #1 VANE EXT Green No.  1 ice vane extended #1 IGN ON Green No.  1 engine ignition/start switch on, No.  1 engine autoignition switch armed and engine torque below 20 percent L BL AIR OFF Green Left environment bleed air valve closed R BL AIR OFF Green Right environmental bleed air valve closed #2 IGN ON Green No.  2 engine ignition/start switch on, No.  2 engine autoignition switch armed and engine torque below 20 percent #2 VANE EXT Green No.  2 ice vane extended #1 AUTOFEATHER Green No.  1 autofeather armed AIR COND N₁ LOW Green No.  2 engine RPM too low for air conditioning load EXTERNAL POWER Green External power connector plugged in EXT DC PWR/ON Green External DC power is on BRAKE DEICE ON Green Brake deicing system is on #2 AUTOFEATHER Green No.  2 autofeather armed BT00104 2-92