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IBM C400 Projector User Manual

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    							1.
       
     
    Make
     
    sure
     
    the
     
    Enable
     
    radio
     
    button
     
    (next
     
    to
     
    Security
     
    Status)
     
    is
     
    selected
     
    and
     
    click
     
    Set.
      
     
     
     
    2.
     
     
     
    In
     
    the
     
    Input
     
    Password
     
    screen,
     
    click
     
    Forgot
     
    your
     
    Password?
      
     
     
     
    3.
     
     
     
    Enter
     
    your
     
    e-mail
     
    address
     
    and
     
    click
     
    Send.
      
     
     
     
    4.
     
     
     
    The
     
    current
     
    projector
     
    password
     
    is
     
    e-mailed
     
    to
     
    you.
      
    Chapter
     
    6.
     
    Remote
     
    network
     
    operation
     
    6-9 
    						
    							6-10
     
    IBM
     
    C400
     
    PROJECTOR:
     
    User ’s
     
    Guide 
    						
    							Appendix
     
    A.
     
    Maintenance
     
    This
     
    chapter
     
    provides
     
    information
     
    on
     
    projector
     
    maintenance.
     
    Cleaning
     
    the
     
    projector
     
    Cleaning
     
    the
     
    projector
     
    to
     
    remove
     
    dust
     
    and
     
    grime
     
    will
     
    help
     
    ensure
     
    trouble-free
     
    operation.
     
    v
       
     
    Be
     
    sure
     
    to
     
    turn
     
    off
     
    and
     
    unplug
     
    the
     
    projector
     
    at
     
    least
     
    1
     
    hour
     
    before
     
    cleaning.
     
    Failure
     
    to
     
    do
     
    so
     
    could
     
    result
     
    in
     
    a
     
    severe
     
    burn.
     
    v
     
     
     
    Use
     
    only
     
    a
     
    dampened
     
    cloth
     
    when
     
    cleaning.
     
    Do
     
    not
     
    allow
     
    water
     
    to
     
    enter
     
    the
     
    ventilation
     
    openings
     
    on
     
    the
     
    projector.
     
    v
     
     
     
    If
     
    a
     
    little
     
    water
     
    gets
     
    into
     
    the
     
    projector
     
    interior
     
    while
     
    cleaning,
     
    leave
     
    it
     
    unplugged
     
    in
     
    a
     
    well-ventilated
     
    room
     
    for
     
    several
     
    hours
     
    before
     
    using.
     
    v
     
     
     
    If
     
    a
     
    lot
     
    of
     
    water
     
    gets
     
    into
     
    the
     
    projector
     
    interior
     
    when
     
    cleaning,
     
    have
     
    the
     
    projector
     
    serviced.
    Cleaning
     
    the
     
    lens
     
    To
     
    clean
     
    the
     
    lens,
     
    complete
     
    the
     
    following
     
    procedure:
     
    1.
     
     
     
    Apply
     
    a
     
    non-abrasive
     
    camera
     
    lens
     
    cleaner
     
    to
     
    a
     
    soft,
     
    dry
     
    cloth.
     
    Note:
     
     
    Avoid
     
    using
     
    an
     
    excessive
     
    amount
     
    of
     
    cleaner,
     
    and
     
    do
     
    not
     
    apply
     
    the
     
    cleaner
     
    directly
     
    to
     
    the
     
    lens.
     
    Abrasive
     
    cleaners,
     
    solvents
     
    or
     
    other
     
    harsh
     
    chemicals
     
    might
     
    scratch
     
    the
     
    lens.
     
    2.
     
     
     
    Lightly
     
    wipe
     
    the
     
    cleaning
     
    cloth
     
    over
     
    the
     
    lens
     
    in
     
    a
     
    circular
     
    motion.
     
    If
     
    you
     
    do
     
    not
     
    intend
     
    to
     
    use
     
    the
     
    projector
     
    immediately,
     
    replace
     
    the
     
    lens
     
    cap.
    Cleaning
     
    the
     
    case
     
    Follow
     
    the
     
    steps
     
    below
     
    to
     
    clean
     
    the
     
    projector
     
    case:
     
    1.
     
     
     
    Wipe
     
    off
     
    dust
     
    with
     
    a
     
    clean
     
    dampened
     
    cloth.
     
    2.
     
     
     
    Moisten
     
    the
     
    cloth
     
    with
     
    warm
     
    water
     
    and
     
    mild
     
    detergent
     
    (such
     
    as
     
    dish
     
    detergent),
     
    and
     
    wipe
     
    the
     
    case.
     
    3.
     
     
     
    Rinse
     
    all
     
    detergent
     
    from
     
    the
     
    cloth
     
    and
     
    wipe
     
    the
     
    case
     
    again.
    Note:
       
    To
     
    prevent
     
    discoloration
     
    or
     
    fading
     
    of
     
    the
     
    case,
     
    do
     
    not
     
    use
     
    abrasive
     
    alcohol-based
     
    cleaners.
     
    Replacing
     
    the
     
    projector
     
    lamp
     
    The
     
    projector
     
    lamp
     
    should
     
    only
     
    be
     
    replaced
     
    with
     
    an
     
    IBM
     
    certified
     
    replacement
     
    part,
     
    which
     
    you
     
    can
     
    order
     
    from
     
    your
     
    business
     
    partner
     
    or
     
    go
     
    to
     
    www.ibm.com/pc.
     
    To
     
    replace
     
    the
     
    projector
     
    lamp,
     
    complete
     
    the
     
    following
     
    procedure:
     
    1.
     
     
     
    Turn
     
    off
     
    the
     
    projector,
     
    unplug
     
    the
     
    power
     
    cord,
     
    and
     
    allow
     
    the
     
    projector
     
    to
     
    cool
     
    for
     
    at
     
    least
     
    1
     
    hour.
      
    ©
     
    Copyright
     
    IBM
     
    Corp.
     
    2004
     
    A-1    
    						
    							2.
       
     
    Use
     
    a
     
    Phillips-head
     
    screwdriver
     
    to
     
    remove
     
    the
     
    screw
     
    from
     
    the
     
    lamp
     
    compartment
     
    cover
     
    as
     
    shown
     
    in
     
    1.
     
    3.
     
     
     
    Remove
     
    the
     
    lamp
     
    compartment
     
    cover
     
    as
     
    shown
     
    in
     
    2.
      
     
     
     
    4.
     
     
     
    Remove
     
    the
     
    two
     
    screws
     
    from
     
    the
     
    lamp
     
    module
     
    as
     
    shown
     
    in
     
    3.
     
    5.
     
     
     
    Lift
     
    the
     
    module
     
    handle
     
    up
     
    and
     
    pull
     
    up
     
    firmly
     
    as
     
    shown
     
    in
     
    4.
      
     
     
     
    6.
     
     
     
    Reverse
     
    steps
     
    1
     
    through
     
    5
     
    to
     
    install
     
    the
     
    new
     
    lamp
     
    module.
      
    A-2
     
    IBM
     
    C400
     
    PROJECTOR:
     
    User ’s
     
    Guide 
    						
    							Note:
       
    The
     
    lamp
     
    module
     
    should
     
    be
     
    oriented
     
    as
     
    shown
     
    below
     
    when
     
    replacing.
      
     
     
     
    Attention:
     
     
    This
     
    product
     
    contains
     
    a
     
    Metal
     
    Arc
     
    Lamp,
     
    which
     
    contains
     
    Mercury.
     
    Dispose
     
    of
     
    it
     
    as
     
    required
     
    by
     
    local
     
    ordinances
     
    and
     
    regulations.
     
    The
     
    USA
     
    restricts
     
    or
     
    prohibits
     
    the
     
    disposal
     
    of
     
    some
     
    or
     
    all
     
    lamps
     
    containing
     
    mercury
     
    in
     
    the
     
    municipal
     
    waste
     
    stream.
     
    Please
     
    visit
     
    www.lamprecycle.org
     
    for
     
    more
     
    information
     
    on
     
    specific
     
    state
     
    disposal
     
    requirements
     
    and
     
    recycling
     
    facilities.
     
    For
     
    users
     
    in
     
    Connecticut,
     
    please
     
    call
     
    Northeast
     
    Lamp
     
    Recycling
     
    toll-free
     
    at
     
    1-888-657-5267
     
    to
     
    place
     
    an
     
    order
     
    for
     
    the
     
    delivery
     
    of
     
    a
     
    kit
     
    that
     
    includes
     
    a
     
    box
     
    for
     
    the
     
    lamp,
     
    tape,
     
    and
     
    a
     
    return
     
    shipping
     
    label.
     
    Resetting
     
    the
     
    lamp
     
    timer
     
    After
     
    replacing
     
    the
     
    lamp,
     
    you
     
    should
     
    reset
     
    the
     
    lamp
     
    hour
     
    counter
     
    to
     
    zero.
     
    Please
     
    follow
     
    the
     
    steps
     
    below.
     
    1.
     
     
     
    Press
     
    the
     
    Menu
     
    button
     
    to
     
    open
     
    the
     
    main
     
    menu.
     
    2.
     
     
     
    Press
     
    the
     
    cursor
     
    left/right
     
    button
     
    to
     
    move
     
    to
     
    the
     
    Information
     
    menu.
     
    3.
     
     
     
    Press
     
    the
     
    cursor
     
    up/down
     
    button
     
    to
     
    move
     
    down
     
    to
     
    Lamp
     
    Hour
     
    Reset.
     
    4.
     
     
     
    Press
     
    Enter
     
    to
     
    select
     
    Lamp
     
    Hour
     
    Reset.
     
    The
     
    OSD
     
    will
     
    show
     
    ″Please
     
    see
     
    User
     
    Manual...″
     
    5.
     
     
     
    Press
     
    the
     
    buttons
     
    on
     
    the
     
    remote
     
    or
     
    on
     
    the
     
    projector
     
    in
     
    the
     
    following
     
    order:
     
    Down
     
    Arrow,
     
    Up
     
    Arrow,
     
    Left
     
    Arrow,
     
    Right
     
    Arrow.
     
    This
     
    will
     
    confirm
     
    the
     
    lamp
     
    hour
     
    reset.
     
    Attention:
     
     
    Lamp
     
    Life
     
    is
     
    a
     
    measure
     
    of
     
    brightness
     
    degradation
     
    only,
     
    and
     
    is
     
    not
     
    a
     
    specification
     
    for
     
    the
     
    time
     
    it
     
    takes
     
    a
     
    lamp
     
    to
     
    fail
     
    and
     
    cease
     
    light
     
    output.
     
    Lamp
     
    Life
     
    is
     
    defined
     
    as
     
    the
     
    time
     
    it
     
    takes
     
    for
     
    more
     
    than
     
    50%
     
    of
     
    a
     
    lamp
     
    sample
     
    population
     
    to
     
    have
     
    brightness
     
    decrease
     
    by
     
    approximately
     
    50%
     
    of
     
    the
     
    rated
     
    lumens
     
    for
     
    the
     
    specified
     
    lamp.
     
    For
     
    example,
     
    if
     
    the
     
    defined
     
    life
     
    of
     
    your
     
    lamp
     
    is
     
    1500
     
    hours
     
    and
     
    its
     
    brightness
     
    is
     
    rated
     
    at
     
    2650
     
    lumens,
     
    then
     
    there
     
    is
     
    a
     
    50%
     
    chance
     
    that
     
    over
     
    1500
     
    hours
     
    of
     
    run
     
    time,
     
    your
     
    lamp
     
    will
     
    have
     
    decreased
     
    its
     
    brightness
     
    by
     
    50%
     
    to
     
    approximately
     
    1325
     
    lumens.
      
    Appendix
     
    A.
     
    Maintenance
     
    A-3 
    						
    							Using
     
    the
     
    security
     
    slot
     
    The
     
    projector
     
    has
     
    a
     
    security
     
    slot,
     
    as
     
    shown
     
    below
     
    in
     
    1.
     
    Refer
     
    to
     
    the
     
    information
     
    that
     
    comes
     
    with
     
    the
     
    lock
     
    for
     
    instructions
     
    on
     
    how
     
    to
     
    use
     
    it.
      
     
       
    A-4
     
    IBM
     
    C400
     
    PROJECTOR:
     
    User ’s
     
    Guide 
    						
    							Appendix
     
    B.
     
    Troubleshooting
     
    The
     
    guidelines
     
    below
     
    provide
     
    tips
     
    to
     
    deal
     
    with
     
    problems
     
    you
     
    may
     
    encounter
     
    while
     
    using
     
    the
     
    projector.
     
    If
     
    the
     
    problem
     
    remains
     
    unsolved,
     
    contact
     
    your
     
    dealer
     
    for
     
    assistance.
     
    Common
     
    problems
     
    and
     
    solutions
     
    Check
     
    the
     
    following
     
    before
     
    proceeding
     
    to
     
    the
     
    problem-specific
     
    solutions.
     
    v
       
     
    Us
     
    a
     
    different
     
    electrical
     
    device
     
    to
     
    confirm
     
    that
     
    the
     
    electrical
     
    outlet
     
    is
     
    working.
     
    v
     
     
     
    Ensure
     
    that
     
    the
     
    projector
     
    is
     
    turned
     
    on.
     
    v
     
     
     
    Ensure
     
    all
     
    connections
     
    are
     
    securely
     
    attached.
     
    v
     
     
     
    Ensure
     
    the
     
    attached
     
    device
     
    is
     
    turned
     
    on.
     
    v
     
     
     
    Ensure
     
    a
     
    connected
     
    PC
     
    is
     
    not
     
    in
     
    suspend
     
    mode.
     
    v
     
     
     
    Ensure
     
    a
     
    connected
     
    notebook
     
    computer
     
    is
     
    configured
     
    for
     
    an
     
    external
     
    display.
     
    This
     
    is
     
    usually
     
    done
     
    by
     
    pressing
     
    an
     
    Fn-key
     
    combination
     
    on
     
    the
     
    notebook.
    Tips
     
    for
     
    troubleshooting
     
    In
     
    each
     
    problem-specific
     
    section,
     
    try
     
    the
     
    steps
     
    in
     
    the
     
    order
     
    suggested.
     
    This
     
    may
     
    help
     
    you
     
    to
     
    solve
     
    the
     
    problem
     
    faster.
     
    Tr y
     
    to
     
    pinpoint
     
    the
     
    problem
     
    and
     
    thus
     
    avoid
     
    replacing
     
    non-defective
     
    parts.
     
    For
     
    example,
     
    if
     
    you
     
    replace
     
    batteries
     
    and
     
    the
     
    problem
     
    remains,
     
    put
     
    the
     
    original
     
    batteries
     
    back
     
    and
     
    go
     
    to
     
    the
     
    next
     
    step.
     
    Keep
     
    a
     
    record
     
    of
     
    the
     
    steps
     
    you
     
    take
     
    when
     
    troubleshooting.
     
    The
     
    information
     
    may
     
    be
     
    useful
     
    when
     
    calling
     
    for
     
    technical
     
    support
     
    or
     
    for
     
    service
     
    personnel.
     
    Troubleshooting
     
    information
     
    The
     
    following
     
    table
     
    provides
     
    troubleshooting
     
    information
     
    for
     
    the
     
    projector.
     
    In
     
    some
     
    cases,
     
    more
     
    than
     
    one
     
    possible
     
    solution
     
    is
     
    provided.
     
    Tr y
     
    the
     
    solutions
     
    in
     
    the
     
    order
     
    they
     
    are
     
    presented.
     
    When
     
    the
     
    problem
     
    is
     
    solved,
     
    you
     
    can
     
    skip
     
    the
     
    additional
     
    solutions.
      
    Table
     
    B-1.
     
    Troubleshooting
     
    Problem
     
    Solution
     
    No
     
    image
     
    appears
     
    on
     
    the
     
    screen.
     
    v
     
     
     
    Make
     
    sure
     
    your
     
    computer
     
    and
     
    projector
     
    are
     
    turned
     
    on.
     
    v
     
     
     
    Verify
     
    the
     
    settings
     
    on
     
    your
     
    notebook
     
    or
     
    desktop
     
    PC.
     
    v
     
     
     
    Turn
     
    off
     
    all
     
    equipment
     
    and
     
    power
     
    up
     
    again
     
    in
     
    the
     
    correct
     
    order.
      
    ©
     
    Copyright
     
    IBM
     
    Corp.
     
    2004
     
    B-1  
    						
    							Table
     
    B-1.
     
    Troubleshooting
     
    (continued)
     
    Problem
     
    Solution
     
    The
     
    image
     
    is
     
    blurred
     
    v
       
     
    Adjust
     
    the
     
    Focus
     
    on
     
    the
     
    projector.
     
    v
     
     
     
    Press
     
    the
     
    Auto
     
    button
     
    on
     
    the
     
    remote
     
    control
     
    or
     
    the
     
    projector.
     
    v
     
     
     
    Ensure
     
    the
     
    projector-to-screen
     
    distance
     
    is
     
    within
     
    the
     
    range
     
    specified.
     
    v
     
     
     
    Check
     
    that
     
    the
     
    projector
     
    lens
     
    is
     
    clean.
     
    v
     
     
     
    Make
     
    sure
     
    the
     
    output
     
    resolution
     
    from
     
    the
     
    PC
     
    is
     
    1024
     
    x
     
    768,
     
    the
     
    native
     
    resolution
     
    of
     
    the
     
    projector.
     
    The
     
    image
     
    is
     
    wider
     
    at
     
    the
     
    top
     
    or
     
    bottom
     
    (trapezoid
     
    effect).
     
    v
     
     
     
    Position
     
    the
     
    projector
     
    so
     
    it
     
    is
     
    as
     
    perpendicular
     
    to
     
    the
     
    screen
     
    as
     
    possible.
     
    v
     
     
     
    Use
     
    the
     
    Keystone
     
    button
     
    on
     
    the
     
    remote
     
    control
     
    or
     
    projector
     
    to
     
    correct
     
    the
     
    problem.
     
    The
     
    image
     
    is
     
    reversed
     
    or
     
    upside
     
    down.
     
    Check
     
    the
     
    Projection
     
    setting
     
    on
     
    the
     
    Setup
     
    menu
     
    of
     
    the
     
    OSD.
     
    The
     
    image
     
    is
     
    streaked.
     
    v
     
     
     
    Set
     
    the
     
    Frequency
     
    and
     
    Tracking
     
    settings
     
    on
     
    the
     
    Setup
     
    menu
     
    of
     
    the
     
    OSD
     
    to
     
    the
     
    default
     
    settings.
     
    v
     
     
     
    To
     
    ensure
     
    the
     
    problem
     
    is
     
    not
     
    caused
     
    by
     
    a
     
    connected
     
    PC’s
     
    video
     
    card,
     
    connect
     
    to
     
    another
     
    computer.
     
    The
     
    image
     
    is
     
    flat
     
    with
     
    no
     
    contrast
     
    Adjust
     
    the
     
    Contrast
     
    setting
     
    on
     
    the
     
    Main
     
    menu
     
    of
     
    the
     
    OSD.
     
    The
     
    color
     
    of
     
    the
     
    projected
     
    image
     
    does
     
    not
     
    match
     
    the
     
    source
     
    image
     
    Adjust
     
    the
     
    Color
     
    Temp.
     
    and
     
    Gamma
     
    settings
     
    on
     
    the
     
    ColorMgr
     
    menu
     
    of
     
    the
     
    OSD.
     
    There
     
    is
     
    no
     
    light
     
    from
     
    the
     
    projector
     
    v
     
     
     
    Check
     
    that
     
    the
     
    power
     
    cable
     
    is
     
    securely
     
    connected.
     
    v
     
     
     
    Ensure
     
    the
     
    power
     
    source
     
    is
     
    good
     
    by
     
    testing
     
    with
     
    another
     
    electrical
     
    device.
     
    v
     
     
     
    Restart
     
    the
     
    projector
     
    in
     
    the
     
    correct
     
    order
     
    and
     
    check
     
    that
     
    the
     
    Power
     
    LED
     
    is
     
    green.
     
    v
     
     
     
    If
     
    you
     
    have
     
    replaced
     
    the
     
    lamp
     
    recently,
     
    try
     
    resetting
     
    the
     
    lamp
     
    connections.
     
    Make
     
    sure
     
    the
     
    lamp
     
    cover
     
    is
     
    flush
     
    with
     
    the
     
    projector
     
    case
     
    when
     
    closed.
     
    v
     
     
     
    Replace
     
    the
     
    lamp
     
    module.
     
    v
     
     
     
    Put
     
    the
     
    old
     
    lamp
     
    back
     
    in
     
    the
     
    projector
     
    and
     
    have
     
    the
     
    projector
     
    serviced.
     
    The
     
    lamp
     
    goes
     
    off.
     
    v
     
     
     
    Power
     
    surges
     
    can
     
    cause
     
    the
     
    lamp
     
    to
     
    turn
     
    off.
     
    Press
     
    the
     
    Power
     
    button
     
    twice
     
    to
     
    turn
     
    off
     
    the
     
    projector.
     
    When
     
    the
     
    Lamp
     
    Ready
     
    LED
     
    is
     
    on,
     
    press
     
    the
     
    Power
     
    button.
     
    v
     
     
     
    Replace
     
    with
     
    a
     
    new
     
    lamp
     
    module.
     
    v
     
     
     
    Put
     
    the
     
    old
     
    lamp
     
    back
     
    in
     
    the
     
    projector
     
    and
     
    have
     
    the
     
    projector
     
    serviced.
       
    B-2
     
    IBM
     
    C400
     
    PROJECTOR:
     
    User ’s
     
    Guide 
    						
    							Table
     
    B-1.
     
    Troubleshooting
     
    (continued)
     
    Problem
     
    Solution
     
    The
     
    projector
     
    does
     
    not
     
    respond
     
    to
     
    the
     
    remote
     
    control.
     
    v
       
     
    Direct
     
    the
     
    remote
     
    control
     
    towards
     
    the
     
    remote
     
    sensor
     
    on
     
    the
     
    projector.
     
    v
     
     
     
    Ensure
     
    the
     
    path
     
    between
     
    remote
     
    and
     
    sensor
     
    is
     
    not
     
    obstructed.
     
    v
     
     
     
    Turn
     
    off
     
    any
     
    fluorescent
     
    lights
     
    in
     
    the
     
    room.
     
    v
     
     
     
    Check
     
    the
     
    battery
     
    polarity.
     
    v
     
     
     
    Replace
     
    the
     
    batteries.
     
    v
     
     
     
    Turn
     
    off
     
    other
     
    Infrared-enabled
     
    devices
     
    in
     
    the
     
    vicinity.
     
    v
     
     
     
    Have
     
    the
     
    remote
     
    control
     
    serviced.
     
    There
     
    is
     
    no
     
    sound.
     
    v
     
     
     
    Adjust
     
    the
     
    volume
     
    on
     
    the
     
    remote
     
    control.
     
    v
     
     
     
    Adjust
     
    the
     
    volume
     
    of
     
    the
     
    audio
     
    source.
     
    v
     
     
     
    Check
     
    the
     
    audio
     
    cable
     
    connection.
     
    v
     
     
     
    Test
     
    the
     
    source
     
    audio
     
    output
     
    with
     
    other
     
    speakers.
     
    v
     
     
     
    Have
     
    the
     
    projector
     
    serviced.
     
    The
     
    sound
     
    is
     
    distorted.
     
    v
     
     
     
    Check
     
    the
     
    audio
     
    cable
     
    connection.
     
    v
     
     
     
    Test
     
    the
     
    source
     
    audio
     
    output
     
    with
     
    other
     
    speakers.
     
    v
     
     
     
    Have
     
    the
     
    projector
     
    serviced.
     
     
    Projector
     
    LEDs
     
    The
     
    LED
     
    on
     
    top
     
    of
     
    the
     
    projector
     
    indicates
     
    the
     
    state
     
    of
     
    the
     
    projector
     
    and
     
    can
     
    help
     
    you
     
    troubleshoot.
     
    There
     
    are
     
    two-second
     
    pauses
     
    between
     
    the
     
    blinking
     
    cycles.
     
    For
     
    more
     
    details
     
    on
     
    LED
     
    projector
     
    errors,
     
    contact
     
    your
     
    IBM
     
    representative.
      
    Table
     
    B-2.
     
    Lamp-ready
     
    LED
     
    error
     
    messages
     
    Lamp-ready
     
    LED
     
    number
     
    of
     
    flashes
     
    Explanation
     
    Flashing
     
    Lamp
     
    not
     
    ready-
     
    do
     
    not
     
    press
     
    the
     
    power
     
    button
     
    until
     
    the
     
    flashing
     
    stops.
     
    1
     
    Front
     
    cover
     
    fan
     
    error
     
    2
     
    Lamp
     
    fan
     
    error
     
    3
     
    Power
     
    board
     
    fan
     
    error
     
    4
     
    Blower
     
    fan
     
    error
     
    5
     
    Ballast
     
    fan
     
    error
     
      
    Table
     
    B-3.
     
    Power
     
    LED
     
    error
     
    messages
     
    Power
     
    LED
     
    number
     
    of
     
    flashes
     
    Explanation
     
    3
     
    System
     
    overheating
     
    4
     
    System
     
    interface
     
    error
     
    5
     
    Lamp
     
    error
     
    6
     
    Fan
     
    error.
     
    Refer
     
    to
     
    Lamp-ready
     
    LED
     
    to
     
    determine
     
    which
     
    fan.
     
    7
     
    Lamp
     
    cover
     
    open
     
    8
     
    DLP
     
    driver
     
    error.
      
    Appendix
     
    B.
     
    Troubleshooting
     
    B-3 
    						
    							B-4
     
    IBM
     
    C400
     
    PROJECTOR:
     
    User ’s
     
    Guide 
    						
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