MASTER CAUTION / WARNING LTS PANEL Flashcards

1
Q

MASTER FIRE WARNING Lights

A

Illuminated (Red):

  • indicates a fire warning (or system test) -
    • Engine
    • APU
    • Cargo
    • Main Gear wheel well
  • Indications -
    • light
    • bell
    • if on ground - remote APU fire warning horn sounds
  • Push -
    • extinguishes BOTH FIRE WARN lights
    • silences bell
    • silences remote APU fire warning horn
    • resets system
  • Note: (pushing bell cutout on overheat/fire pane results in same thing)
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2
Q

MASTER CAUTION Lights

A

Illuminated (amber)

  • a system annunciator light has illuminated

Push -

  • extinguishes BOTH Master Caution lights
    • system annunciator lights extinguish
    • resets system for addn master caution conditions
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3
Q

SYSTEM ANNUNCIATOR Panel

A

Illuminated (amber) -

  • an amber light relating to the illuminated system annunciator, has illuminated on the -
    • fwd overhead
    • aft overhead
    • or overheat / fire protection panel
  • to extinguish - PUSH either MC light

Master Recall -

  • to recall - push and release either system annunciator panel
    • if a MC condition exists, the appropriate system annunciator and MC lights illuminate
  • a single fault in certain redundant systems (or some simple faults) cause the system annunciator light to illuminate during a recall - will extinguish when the MC light is pushed.
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