Annunciator Panel CAUSES

Card Set Information

Author:
tdogfreightdog
ID:
259036
Filename:
Annunciator Panel CAUSES
Updated:
2014-01-29 10:47:26
Tags:
Annunciator Panel
Folders:

Description:
Causes of Annunciator Panel Lights
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  1. AC Fail
    AC power bus voltage is above 130 VAC or below 90 VAC.

    Triggers the master warning system, which will illuminatethe MASTER WARNING light.
  2. BATT O'HEAT
    Steady illumination: battery temperature over145°F; flashing: battery temperature over160°F.

    Triggers the master warning system, which will illuminate the MASTER WARNING light.
  3. CABIN ALT 10,000 FT
    Cabin pressure altitude is above 10,000 feet.

    Triggers themaster warning system, which will illuminatethe MASTER WARNING light.
  4. L HYD PRESS LO

    or

    R HYD PRESS LO
    Left and/or right hydraulic system flow is below approximately 0.35 to 0.55 gallons per minute.
  5. L OIL PRESS LO

    or

    R OIL PRESS LO
    Oil pressure is below safe limits (35 PSI) in left or right engine.

    Triggers the master warning system, which will illuminate the master warning light.
  6. ANTI SKID INOP
    Anti-skid system is inoperative.
  7. W/S AIR O'HEAT
    Bleed air to the windshield exceeds safe temperature limits, or >5 PSI in the plumbing with the system off.
  8. BLEED AIR GND/HI
    High flow rate of bleed air has been selected from the right engine for ground operation of the air conditioner.
  9. ACM O'PRESS
    Air cycle machine pressure is over 42 psi.
  10. L ENG ICE FAIL

    or

    R ENG ICE FAIL
    Left and/or right engine anti ice has failed on the

    • -inlet
    • -stator
    • -or inboard wing
  11. L GEN OFF

    or

    R GEN OFF
    Left and/or right generator is not connected to the airplane bus.

    Illumination of both annunciators triggers the master warning system, which will illuminate the MASTER WARNING light.
  12. PWR BRK PRESS LOW
    Power brake hydraulic pressure is low.
  13. AIR DUCT O'HEAT
    Ventilation duct temperature exceeds safe limits.
  14. EMER PRESS ON
    Emergency pressurization has been manually selected or automatically activated by an ACM overheat.
  15. L F/W SHUTOFF

    or

    R F/W SHUTOFF
    Left and/or right fuel and hydraulic shutoff valves are closed.
  16. L FUEL PRESS LO

    or

    R FUEL PRESS LO
    Low fuel supply pressure to engine-driven pump.

    Primary pump failure will automatically initiate boost pump operation as long as FUEL BOOST switch is in the NORM position.

    Light remaining on indicates failure of both pumps.
  17. HYD PRESS ON
    Hydraulic system is pressurized.
  18. DOOR NOT LOCKED
    Cabin door, aft compartment access door lock, or either nose baggage door lock is/are not locked.
  19. BLD AIR GND
    High flow rate of bleed air has been selected from the right engine for ground operation of the air conditioner.
  20. L BOOST ON

    or

    R BOOST ON
    Electric power has been applied to the left and/or right fuel boost pump.
  21. HYD LEVEL LO
    Fluid in the hydraulic reservoir is low.
  22. P/S HTR OFF
    Left and/or right pilot heat is off.
  23. SURF DEICE
    Illuminates twice during the 12- second surface deice boot cycle to indicate proper boot inflation pressure.

    Tail boot inflation cannot be checked visually from the cockpit.
  24. SPD BRAKE EXTENDED
    Left and right speed brakes are fully extended.
  25. FUEL FILT BYPASS
    Left, right or both fuel filters approaching, or actually being bypassed due to fuel filter restriction.
  26. L FUEL LEVEL LO

    or

    R FUEL LEVEL LO
    Fuel quantity in left and or right tanks has reached a level of 169 to 219 pounds.

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